KREBS+KIEFER management

Who we are

We are always where our customers need us. Present at 17 locations, our executives are always close at hand for personal support.

Tanja Adelmann-Klug Dipl.-Ing. (FH) M. Sc.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

State-licensed engineer for technical verification of thermal and noise protection
Consulting Engineer VBI

LOCATION
Darmstadt

FOCUS
Building physics, Immission control

E adelmann-klug.tanja@kuk.de

Jan Akkermann Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Freiburg, Karlsruhe

FOCUS
Building construction, Civil engineering

E akkermann.jan@kuk.de

Ulrich Bausch Dipl.-Ing.

Authorized Representative
KREBS+KIEFER Ingenieure GmbH

Certified engineer with authorisation to present building documents of DB Station & Service and DB Netz
European railway engineer (EURAIL-ING)

LOCATION
Darmstadt

FOCUS
Traffic facilities

E bausch.ulrich@kuk.de

Steffen Böhm Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting Engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E boehm.steffen@kuk.de

Abderrahmane Bouthiba Dipl.-Ing. Architekt

Managing director

LOCATION
Algiers

FOCUS
International, Design planning, Project management

E bouthiba.abderrahmane@kuk.de

Ivana Bradarić-Meyer M.Sc.

Branch manager
KREBS+KIEFER Ingenieure GmbH

LOCATION
Hamburg

FOCUS
Building construction

E bradaric.ivana@kuk.de

Norman Braun Dipl.-Ing. (FH), M. Eng.

Authorized representative
IRS Stahlwasserbau Consulting AG

Expert in accordance with TRGS 524 and DGUV regulation 101-004
Paint Inspector – Level C

LOCATION
Würzburg

FOCUS
Hydraulic steelwork

E braun@irs-stahlwasserbau.de

Thomas Brugger Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Certified engineer with authorisation to present building documents subject to VV Bau
KIB, Tunnelbau, Hochbau

LOCATION
Stuttgart

FOCUS
Civil engineering, Traffic facilities

E brugger.thomas@kuk.de

Karsten Däumer Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Official expert for rehabilitation and preservation of buildings (EIPOS)

LOCATION
Dresden, Hamburg

FOCUS
Building construction

E daeumer.karsten@kuk.de

Stefan Daus Dr.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Managing director and shareholder
KREBS+KIEFER Consulting GmbH

Certified official expert for rehabilitation and preservation of concrete elements (DPÜ)

LOCATION
Darmstadt

FOCUS
Building construction

E daus.stefan@kuk.de

Ulrich Dietmann Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive and defensive fire protection
Licensed verification engineer for fire protection

LOCATION
Darmstadt, Grossostheim

FOCUS
Fire safety

E dietmann.ulrich@kuk.de

Lars Dietz Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Erfurt

FOCUS
Civil engineering

E dietz.lars@kuk.de

Dierk Erdmann Dipl.-Wirt.-Inf.

Managing director
KREBS+KIEFER Service GmbH

LOCATION
Darmstadt

FOCUS
IT

E erdmann.dierk@kuk.de

Eric Fischer Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH
KREBS+KIEFER International GmbH


IPMA® Level A – Certified Project Director

LOCATION
Darmstadt, Karlsruhe

FOCUS
International, General planning, Project management

E fischer.eric@kuk.de

Andreas Freitag Dipl.-Ing.

Member of the executive board
IRS Stahlwasserbau Consulting AG

Mechanical engineer (Dipl.-Ing.)
International licensed welding engineer (SFI)

LOCATION
Würzburg

FOCUS
Hydraulic steelwork

E freitag@irs-stahlwasserbau.de

Christian Gabel Dipl.-Ing. (FH), Dipl.-Wirtsch.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert in cost calculation and facturation of civil engineering structures (IHK)

LOCATION
Berlin, Bitterfeld, Leipzig

FOCUS
Construction management

E gabel.christian@kuk.de

Mario Graefen Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Head of the testing laboratory §29b BImSchG

LOCATION
Darmstadt

FOCUS
Immission control

E graefen.mario@kuk.de

Krissan Guske Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for damages on civil engineering constructions (EIPOS)

LOCATION
Berlin

FOCUS
Civil engineering

E guske.krissan@kuk.de

Dieter Hanek Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Cologne

FOCUS
Building construction

E hanek.dieter@kuk.de

Jörg Hendrych Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Licensed welding engineer (IWE)

LOCATION
Darmstadt, Grossostheim

FOCUS
Civil engineering

E hendrych.joerg@kuk.de

Markus Henzel M.Eng/B.A

Managing director and shareholder
KREBS+KIEFER Consulting GmbH

Licensed verification engineer for fire protection
Specialist planner for smoke extraction

LOCATION
Darmstadt

FOCUS
Fire safety

E henzel.markus@kuk.de

Susan Herrmann Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Specialist engineer in protection of environment
Expert in acoustic and thermal insulation

LOCATION
Darmstadt, Cologne, Mainz

FOCUS
Construction management, Building physics, Building construction

E herrmann.susan@kuk.de

Alexander Hewener Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive fire protection (TAS)

LOCATION
Karlsruhe, Mannheim, Munich

FOCUS
BIM, Fire safety, Building construction

E hewener.alexander@kuk.de

Tobias Höfelmayr Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Building construction

E hoefelmayr.tobias@kuk.de

Alwin Hoffmann Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Mainz

FOCUS
Building construction

E hoffmann.alwin@kuk.de

René Horschig Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Dresden, Hamburg

FOCUS
Building physics

E horschig.rene@kuk.de

Sven Huismann Dr. techn.

Managing director
KREBS+KIEFER Ingenieure GmbH

State-licensed checking engineer for fire protection (VPI)

LOCATION
Berlin

FOCUS
Fire safety

E huismann.sven@kuk.de

Roger Istel Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E istel.roger@kuk.de

Stephan Johmann Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Karlsruhe

FOCUS
Civil engineering

E johmann.stephan@kuk.de

Robert Kiefer Dipl.-Ing., Dipl.-Wirtsch.-Ing.

Managing director and shareholder
KREBS+KIEFER Service GmbH

Authorized representative
KREBS+KIEFER International GmbH

LOCATION
Darmstadt

FOCUS
International, Construction management, Controlling

E kiefer.robert@kuk.de

Heike Kiefer-Eisenträger Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Darmstadt, Mainz

FOCUS
Building construction

E kiefer-eisentraeger.heike@kuk.de

Werner Kisthardt Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Licensed welding engineer (IIS)

LOCATION
Darmstadt

FOCUS
Building construction

E kisthardt.werner@kuk.de

Holger Klein Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Certified official expert for rehabilitation and preservation of concrete elements (DPÜ)

LOCATION
Darmstadt

FOCUS
Civil engineering

E klein.holger@kuk.de

Jochen Kliver Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt, Grossostheim

FOCUS
Civil engineering

E kliver.jochen@kuk.de

Martina Köppe Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Berlin

FOCUS
Construction management

E koeppe.martina@kuk.de

Markus Kubutat M. Eng.

Branch manager
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg

FOCUS
Construction management

E kubutat.markus@kuk.de

Markus Kühn Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Traffic facilities

E kuehn.markus@kuk.de

Harald Lengersdorf Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Qualified structural engineer according to BauO NRW

LOCATION
Cologne

FOCUS
Building construction

E lengersdorf.harald@kuk.de

Ludger Loers Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Cologne

FOCUS
Construction management

E loers.ludger@kuk.de

Peter Lutz Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Construction management

E lutz.peter@kuk.de

Annett Mähl Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Inspector for railway construction engineering certifications

LOCATION
Erfurt

FOCUS
Civil engineering

E maehl.annett@kuk.de

Jochen Modenbach Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Official expert for preventive fire protection

LOCATION
Mannheim

FOCUS
Fire safety

E modenbach.jochen@kuk.de

Ioannis Retzepis Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Design Review Engineer (VPI)
Design Review Engineer for Railway Constructions (EBA)
Licensed welding engineer (IWE)

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Civil engineering

E retzepis.ioannis@kuk.de

Peter Rothenhöfer Dipl.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Construction management

E rothenhoefer.peter@kuk.de

Fabian Ruhl Dr.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Doctoral studies in construction management/construction logistics
Health and safety coordinator

LOCATION
Darmstadt

FOCUS
Construction management

E ruhl.fabian@kuk.de

Matthias Schäfers Dr.-Ing., Dipl.-Wirtsch.-Ing.

Member of the executive board
Shareholder
IRS Stahlwasserbau Consulting AG

LOCATION
Würzburg

FOCUS
Hydraulic steelwork

E schaefers@irs-stahlwasserbau.de

Michael Schanzenbach Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
European railway engineer (EURAIL-ING)

LOCATION
Darmstadt

FOCUS
Traffic facilities

E schanzenbach.michael@kuk.de

Cornelia Schirrmeister Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Hamburg

FOCUS
Building physics

E schirrmeister.cornelia@kuk.de

Christian Schmidt Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

State-licensed checking engineer for railway construction engineering (EBA)
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Cologne

FOCUS
Geotechnics, Civil engineering

E schmidt.christian@kuk.de

Regine Schneider Dr.-Ing.

Managing director
KREBS+KIEFER Consulting GmbH

Licensed verification engineer for fire protection

LOCATION
Darmstadt

FOCUS
Fire safety

E schneider.regine@kuk.de

Sven Schneider Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Dresden

FOCUS
Building construction

E schneider.sven@kuk.de

Brian Sorg Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Bitterfeld, Leipzig

FOCUS
Traffic facilities

E sorg.brian@kuk.de

Peter Stöwhaas Prof. Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Berlin

FOCUS
Building construction

E stoewhaas.peter@kuk.de

Richard Stroetmann Univ.-Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Beratender Ingenieur VBI
Prüfingenieur für Standsicherheit

LOCATION
Dresden

FOCUS
Building construction, Civil engineering, Steel construction

E stroetmann.richard@kuk.de

Lidomir Teklic Dipl.-Ing.

Managing director
KREBS+KIEFER International GmbH

FIDIC dispute adjudicator (german list)

LOCATION
Darmstadt

FOCUS
International, Construction management

E teklic.lidomir@kuk.de

Heinz-Joseph Vieth Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert for railway bridges and culverts (LfB)
Certified engineer of the German Federal Railway Authority (EBA)

LOCATION
Freiburg, Karlsruhe, Mannheim, Stuttgart

FOCUS
Civil engineering, Traffic facilities

E vieth.heinz-josef@kuk.de

Timo Weidner Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Registered Engineer for Fire Protection B-291A-IngKH

LOCATION
Darmstadt

FOCUS
Fire safety

E weidner.timo@kuk.de

Jutta Wittich Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Building construction

E wittich.jutta@kuk.de

Abderrahmane Bouthiba Dipl.-Ing. Architekt

Managing director

LOCATION
Algiers

FOCUS
International, Design planning, Project management

E bouthiba.abderrahmane@kuk.de

Christian Gabel Dipl.-Ing. (FH), Dipl.-Wirtsch.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert in cost calculation and facturation of civil engineering structures (IHK)

LOCATION
Berlin, Bitterfeld, Leipzig

FOCUS
Construction management

E gabel.christian@kuk.de

Krissan Guske Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for damages on civil engineering constructions (EIPOS)

LOCATION
Berlin

FOCUS
Civil engineering

E guske.krissan@kuk.de

Sven Huismann Dr. techn.

Managing director
KREBS+KIEFER Ingenieure GmbH

State-licensed checking engineer for fire protection (VPI)

LOCATION
Berlin

FOCUS
Fire safety

E huismann.sven@kuk.de

Martina Köppe Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Berlin

FOCUS
Construction management

E koeppe.martina@kuk.de

Peter Stöwhaas Prof. Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Berlin

FOCUS
Building construction

E stoewhaas.peter@kuk.de

Christian Gabel Dipl.-Ing. (FH), Dipl.-Wirtsch.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert in cost calculation and facturation of civil engineering structures (IHK)

LOCATION
Berlin, Bitterfeld, Leipzig

FOCUS
Construction management

E gabel.christian@kuk.de

Brian Sorg Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Bitterfeld, Leipzig

FOCUS
Traffic facilities

E sorg.brian@kuk.de

Dieter Hanek Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Cologne

FOCUS
Building construction

E hanek.dieter@kuk.de

Susan Herrmann Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Specialist engineer in protection of environment
Expert in acoustic and thermal insulation

LOCATION
Darmstadt, Cologne, Mainz

FOCUS
Construction management, Building physics, Building construction

E herrmann.susan@kuk.de

Harald Lengersdorf Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Qualified structural engineer according to BauO NRW

LOCATION
Cologne

FOCUS
Building construction

E lengersdorf.harald@kuk.de

Ludger Loers Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Cologne

FOCUS
Construction management

E loers.ludger@kuk.de

Christian Schmidt Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

State-licensed checking engineer for railway construction engineering (EBA)
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Cologne

FOCUS
Geotechnics, Civil engineering

E schmidt.christian@kuk.de

Tanja Adelmann-Klug Dipl.-Ing. (FH) M. Sc.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

State-licensed engineer for technical verification of thermal and noise protection
Consulting Engineer VBI

LOCATION
Darmstadt

FOCUS
Building physics, Immission control

E adelmann-klug.tanja@kuk.de

Ulrich Bausch Dipl.-Ing.

Authorized Representative
KREBS+KIEFER Ingenieure GmbH

Certified engineer with authorisation to present building documents of DB Station & Service and DB Netz
European railway engineer (EURAIL-ING)

LOCATION
Darmstadt

FOCUS
Traffic facilities

E bausch.ulrich@kuk.de

Steffen Böhm Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting Engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E boehm.steffen@kuk.de

Stefan Daus Dr.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Managing director and shareholder
KREBS+KIEFER Consulting GmbH

Certified official expert for rehabilitation and preservation of concrete elements (DPÜ)

LOCATION
Darmstadt

FOCUS
Building construction

E daus.stefan@kuk.de

Ulrich Dietmann Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive and defensive fire protection
Licensed verification engineer for fire protection

LOCATION
Darmstadt, Grossostheim

FOCUS
Fire safety

E dietmann.ulrich@kuk.de

Dierk Erdmann Dipl.-Wirt.-Inf.

Managing director
KREBS+KIEFER Service GmbH

LOCATION
Darmstadt

FOCUS
IT

E erdmann.dierk@kuk.de

Eric Fischer Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH
KREBS+KIEFER International GmbH


IPMA® Level A – Certified Project Director

LOCATION
Darmstadt, Karlsruhe

FOCUS
International, General planning, Project management

E fischer.eric@kuk.de

Mario Graefen Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Head of the testing laboratory §29b BImSchG

LOCATION
Darmstadt

FOCUS
Immission control

E graefen.mario@kuk.de

Dieter Hanek Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Cologne

FOCUS
Building construction

E hanek.dieter@kuk.de

Jörg Hendrych Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Licensed welding engineer (IWE)

LOCATION
Darmstadt, Grossostheim

FOCUS
Civil engineering

E hendrych.joerg@kuk.de

Markus Henzel M.Eng/B.A

Managing director and shareholder
KREBS+KIEFER Consulting GmbH

Licensed verification engineer for fire protection
Specialist planner for smoke extraction

LOCATION
Darmstadt

FOCUS
Fire safety

E henzel.markus@kuk.de

Susan Herrmann Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Specialist engineer in protection of environment
Expert in acoustic and thermal insulation

LOCATION
Darmstadt, Cologne, Mainz

FOCUS
Construction management, Building physics, Building construction

E herrmann.susan@kuk.de

Tobias Höfelmayr Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Building construction

E hoefelmayr.tobias@kuk.de

Roger Istel Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E istel.roger@kuk.de

Robert Kiefer Dipl.-Ing., Dipl.-Wirtsch.-Ing.

Managing director and shareholder
KREBS+KIEFER Service GmbH

Authorized representative
KREBS+KIEFER International GmbH

LOCATION
Darmstadt

FOCUS
International, Construction management, Controlling

E kiefer.robert@kuk.de

Heike Kiefer-Eisenträger Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Darmstadt, Mainz

FOCUS
Building construction

E kiefer-eisentraeger.heike@kuk.de

Werner Kisthardt Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Licensed welding engineer (IIS)

LOCATION
Darmstadt

FOCUS
Building construction

E kisthardt.werner@kuk.de

Holger Klein Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Certified official expert for rehabilitation and preservation of concrete elements (DPÜ)

LOCATION
Darmstadt

FOCUS
Civil engineering

E klein.holger@kuk.de

Jochen Kliver Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt, Grossostheim

FOCUS
Civil engineering

E kliver.jochen@kuk.de

Markus Kühn Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Traffic facilities

E kuehn.markus@kuk.de

Peter Lutz Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Construction management

E lutz.peter@kuk.de

Fabian Ruhl Dr.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Doctoral studies in construction management/construction logistics
Health and safety coordinator

LOCATION
Darmstadt

FOCUS
Construction management

E ruhl.fabian@kuk.de

Michael Schanzenbach Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
European railway engineer (EURAIL-ING)

LOCATION
Darmstadt

FOCUS
Traffic facilities

E schanzenbach.michael@kuk.de

Christian Schmidt Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

State-licensed checking engineer for railway construction engineering (EBA)
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Cologne

FOCUS
Geotechnics, Civil engineering

E schmidt.christian@kuk.de

Regine Schneider Dr.-Ing.

Managing director
KREBS+KIEFER Consulting GmbH

Licensed verification engineer for fire protection

LOCATION
Darmstadt

FOCUS
Fire safety

E schneider.regine@kuk.de

Lidomir Teklic Dipl.-Ing.

Managing director
KREBS+KIEFER International GmbH

FIDIC dispute adjudicator (german list)

LOCATION
Darmstadt

FOCUS
International, Construction management

E teklic.lidomir@kuk.de

Timo Weidner Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Registered Engineer for Fire Protection B-291A-IngKH

LOCATION
Darmstadt

FOCUS
Fire safety

E weidner.timo@kuk.de

Jutta Wittich Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt

FOCUS
Building construction

E wittich.jutta@kuk.de

Karsten Däumer Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Official expert for rehabilitation and preservation of buildings (EIPOS)

LOCATION
Dresden, Hamburg

FOCUS
Building construction

E daeumer.karsten@kuk.de

René Horschig Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Dresden, Hamburg

FOCUS
Building physics

E horschig.rene@kuk.de

Sven Schneider Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Dresden

FOCUS
Building construction

E schneider.sven@kuk.de

Richard Stroetmann Univ.-Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Beratender Ingenieur VBI
Prüfingenieur für Standsicherheit

LOCATION
Dresden

FOCUS
Building construction, Civil engineering, Steel construction

E stroetmann.richard@kuk.de

Lars Dietz Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Erfurt

FOCUS
Civil engineering

E dietz.lars@kuk.de

Annett Mähl Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Inspector for railway construction engineering certifications

LOCATION
Erfurt

FOCUS
Civil engineering

E maehl.annett@kuk.de

Jan Akkermann Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Freiburg, Karlsruhe

FOCUS
Building construction, Civil engineering

E akkermann.jan@kuk.de

Markus Kubutat M. Eng.

Branch manager
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg

FOCUS
Construction management

E kubutat.markus@kuk.de

Martin Reichert Dipl.-Ing. (FH)

Branch manager
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg

FOCUS
Construction management, Civil engineering

E reichert.martin@kuk.de

Ioannis Retzepis Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Design Review Engineer (VPI)
Design Review Engineer for Railway Constructions (EBA)
Licensed welding engineer (IWE)

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Civil engineering

E retzepis.ioannis@kuk.de

Peter Rothenhöfer Dipl.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Construction management

E rothenhoefer.peter@kuk.de

Heinz-Joseph Vieth Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert for railway bridges and culverts (LfB)
Certified engineer of the German Federal Railway Authority (EBA)

LOCATION
Freiburg, Karlsruhe, Mannheim, Stuttgart

FOCUS
Civil engineering, Traffic facilities

E vieth.heinz-josef@kuk.de

Steffen Böhm Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting Engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E boehm.steffen@kuk.de

Ulrich Dietmann Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive and defensive fire protection
Licensed verification engineer for fire protection

LOCATION
Darmstadt, Grossostheim

FOCUS
Fire safety

E dietmann.ulrich@kuk.de

Jörg Hendrych Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Licensed welding engineer (IWE)

LOCATION
Darmstadt, Grossostheim

FOCUS
Civil engineering

E hendrych.joerg@kuk.de

Roger Istel Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E istel.roger@kuk.de

Jochen Kliver Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Darmstadt, Grossostheim

FOCUS
Civil engineering

E kliver.jochen@kuk.de

Ivana Bradarić-Meyer M.Sc.

Branch manager
KREBS+KIEFER Ingenieure GmbH

LOCATION
Hamburg

FOCUS
Building construction

E bradaric.ivana@kuk.de

Karsten Däumer Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Official expert for rehabilitation and preservation of buildings (EIPOS)

LOCATION
Dresden, Hamburg

FOCUS
Building construction

E daeumer.karsten@kuk.de

René Horschig Dipl.-Ing. (FH)

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

LOCATION
Dresden, Hamburg

FOCUS
Building physics

E horschig.rene@kuk.de

Cornelia Schirrmeister Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Hamburg

FOCUS
Building physics

E schirrmeister.cornelia@kuk.de

Jan Akkermann Prof. Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Freiburg, Karlsruhe

FOCUS
Building construction, Civil engineering

E akkermann.jan@kuk.de

Eric Fischer Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH
KREBS+KIEFER International GmbH


IPMA® Level A – Certified Project Director

LOCATION
Darmstadt, Karlsruhe

FOCUS
International, General planning, Project management

E fischer.eric@kuk.de

Alexander Hewener Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive fire protection (TAS)

LOCATION
Karlsruhe, Mannheim, Munich

FOCUS
BIM, Fire safety, Building construction

E hewener.alexander@kuk.de

Stephan Johmann Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Karlsruhe

FOCUS
Civil engineering

E johmann.stephan@kuk.de

Ioannis Retzepis Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Design Review Engineer (VPI)
Design Review Engineer for Railway Constructions (EBA)
Licensed welding engineer (IWE)

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Civil engineering

E retzepis.ioannis@kuk.de

Peter Rothenhöfer Dipl.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Construction management

E rothenhoefer.peter@kuk.de

Heinz-Joseph Vieth Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert for railway bridges and culverts (LfB)
Certified engineer of the German Federal Railway Authority (EBA)

LOCATION
Freiburg, Karlsruhe, Mannheim, Stuttgart

FOCUS
Civil engineering, Traffic facilities

E vieth.heinz-josef@kuk.de

Christian Gabel Dipl.-Ing. (FH), Dipl.-Wirtsch.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert in cost calculation and facturation of civil engineering structures (IHK)

LOCATION
Berlin, Bitterfeld, Leipzig

FOCUS
Construction management

E gabel.christian@kuk.de

Brian Sorg Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Bitterfeld, Leipzig

FOCUS
Traffic facilities

E sorg.brian@kuk.de

Steffen Böhm Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting Engineer VBI
State-licensed checking engineer for stability

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E boehm.steffen@kuk.de

Susan Herrmann Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Specialist engineer in protection of environment
Expert in acoustic and thermal insulation

LOCATION
Darmstadt, Cologne, Mainz

FOCUS
Construction management, Building physics, Building construction

E herrmann.susan@kuk.de

Alwin Hoffmann Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

LOCATION
Mainz

FOCUS
Building construction

E hoffmann.alwin@kuk.de

Roger Istel Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
State-licensed checking engineer for stability
State-licensed checking engineer for hydraulic constructions

LOCATION
Darmstadt, Grossostheim, Mainz

FOCUS
Building construction, Civil engineering

E istel.roger@kuk.de

Heike Kiefer-Eisenträger Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI

LOCATION
Darmstadt, Mainz

FOCUS
Building construction

E kiefer-eisentraeger.heike@kuk.de

Alexander Hewener Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive fire protection (TAS)

LOCATION
Karlsruhe, Mannheim, Munich

FOCUS
BIM, Fire safety, Building construction

E hewener.alexander@kuk.de

Jochen Modenbach Dipl.-Ing.

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Official expert for preventive fire protection

LOCATION
Mannheim

FOCUS
Fire safety

E modenbach.jochen@kuk.de

Heinz-Joseph Vieth Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert for railway bridges and culverts (LfB)
Certified engineer of the German Federal Railway Authority (EBA)

LOCATION
Freiburg, Karlsruhe, Mannheim, Stuttgart

FOCUS
Civil engineering, Traffic facilities

E vieth.heinz-josef@kuk.de

Alexander Hewener Dipl.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Official expert for preventive fire protection (TAS)

LOCATION
Karlsruhe, Mannheim, Munich

FOCUS
BIM, Fire safety, Building construction

E hewener.alexander@kuk.de

Thomas Brugger Dipl.-Ing. (FH)

Authorized representative
KREBS+KIEFER Ingenieure GmbH

Branch manager
Certified engineer with authorisation to present building documents subject to VV Bau
KIB, Tunnelbau, Hochbau

LOCATION
Stuttgart

FOCUS
Civil engineering, Traffic facilities

E brugger.thomas@kuk.de

Ioannis Retzepis Dr.-Ing.

Managing director and shareholder
KREBS+KIEFER Ingenieure GmbH

Consulting engineer VBI
Design Review Engineer (VPI)
Design Review Engineer for Railway Constructions (EBA)
Licensed welding engineer (IWE)

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Civil engineering

E retzepis.ioannis@kuk.de

Peter Rothenhöfer Dipl.-Ing. (FH)

Managing director
KREBS+KIEFER Ingenieure GmbH

LOCATION
Freiburg, Karlsruhe, Stuttgart

FOCUS
Construction management

E rothenhoefer.peter@kuk.de

Heinz-Joseph Vieth Dipl.-Ing.

Managing director
KREBS+KIEFER Ingenieure GmbH

Official expert for railway bridges and culverts (LfB)
Certified engineer of the German Federal Railway Authority (EBA)

LOCATION
Freiburg, Karlsruhe, Mannheim, Stuttgart

FOCUS
Civil engineering, Traffic facilities

E vieth.heinz-josef@kuk.de

Norman Braun Dipl.-Ing. (FH), M. Eng.

Authorized representative
IRS Stahlwasserbau Consulting AG

Expert in accordance with TRGS 524 and DGUV regulation 101-004
Paint Inspector – Level C

LOCATION
Würzburg

FOCUS
Hydraulic steelwork

E braun@irs-stahlwasserbau.de

Andreas Freitag Dipl.-Ing.

Member of the executive board
IRS Stahlwasserbau Consulting AG

Mechanical engineer (Dipl.-Ing.)
International licensed welding engineer (SFI)

LOCATION
Würzburg

FOCUS
Hydraulic steelwork

E freitag@irs-stahlwasserbau.de

Matthias Schäfers Dr.-Ing., Dipl.-Wirtsch.-Ing.

Member of the executive board
Shareholder
IRS Stahlwasserbau Consulting AG

LOCATION
Würzburg

FOCUS
Hydraulic steelwork

E schaefers@irs-stahlwasserbau.de