Knowledge that holds up.

The passion
principle.

The people at WK Consult.

Expertise alone is not enough. A powerful team and sustainable success needs another key ingredient: sharing the joy in what we do. Only when expertise meets enthusiasm can new ideas and optimal solutions flourish.

More than 100 employees now work exactly by this principle in the different specialist areas of WK Consult – that’s 100 good reasons for our success.

Executive team

Dr Rainer Grzeschkowitz

Dr Olaf Drude

Karsten Holste

Dr Eckard Schmidt

Thorsten Grimm

Christian Mädge

Tobias Wilms

Dr Rainer Grzeschkowitz

Managing partner (WKC Hamburg GmbH)
Partner and test engineer for construction engineering (WK Consult Hamburg GbR)

2015
Entry into the Roads and Transport Authority of Lower Saxony’s list of approved test engineers specialising in steel and steel composite construction and solid construction

2010
Managing partner of WKC Hamburg GmbH Planungen im Bauwesen

2006
Authorised signatory of WKC Hamburg GmbH Planungen im Bauwesen (formerly WKP König und Partner)

Recognition as test engineer and registered inspector for construction engineering, specialising in metal construction, solid construction (stone, concrete and reinforced concrete)

2005
Joined the companies WK Dr. Wachendorf und König and WKP König und Partner as a shareholder

Since 2003
Owner of the engineering firm Dr.-Ing. Rainer Grzeschkowitz, Hamburg

2002
Appointment as test engineer for structural design, specialising in solid construction (2004 expansion to steel construction) and appointment as state-approved expert for structural test tasks, specialising in solid concretion (2004 expansion to metal construction)

2000–2002
Managing partner in the engineering firm Dr.-Ing. Wilhelm Binnewies, Hamburg

1999
Deputy office manager in the engineering firm Dr.-Ing. Wilhelm Binnewies, Hamburg

1996–1998
Head engineer at Philipp Holzmann AG – central region, Neu-Isenburg (Head of the technical offices in Frankfurt and Erfurt)

1989–1996
Graduate engineer, later head engineer in the technical department of the head office of Philipp Holzmann AG, Neu-Isenburg

1988
Doctorate at the Institute for Building Materials, Concrete Construction and Fire Protection of the Technical University of Braunschweig

1983–1989
Temporary assistant professor at the Institute for Building Materials, Concrete Construction and Fire Protection of the Technical University of Braunschweig

1982–1983
Graduate engineer, employed at engineering firm Reinhard Grzeschkowitz, Kiel

1981
Degree as civil engineer from the Technical University of Braunschweig

Dr Olaf Drude

Managing partner (WKC Hamburg GmbH)
Partner and test engineer for construction engineering (WK Consult Hamburg GbR)

2016
Elected into the Board of German Construction Supervision (BÜV), Germany

2015
Entry into the Roads and Transport Authority of Lower Saxony’s list of approved test engineers specialising in steel and steel composite construction and solid construction.

2014
Recognition as ‘Auditor for structural certificates in the specialist railway field of rail bridge construction and structural engineering in the fields of steel and composite construction and welding’ by the German Railway Agency

2013
Acceptance into the specialist list of test engineers of the Federal Waterways and Shipping Authority

Elected into the Board of the Hamburg Engineering Chamber for Construction

Shareholder of WK Consult Hamburg

Test engineer for the specialist areas of steel and solid construction

2012
Managing partner of WKC Hamburg GmbH Planungen im Bauwesen

2010
Authorised Signatory of WKC Hamburg GmbH Planungen im Bauwesen

2008
Officer and shareholder of WKC Hamburg GmbH

Officer at WK Consult Hamburg

2006
Expert welding engineer

2004
Doctorate at Hamburg-Harburg Technical University

2003
WK Consult Hamburg Ingenieure für Bauwesen VBI (formerly WK Dr Wachendorf und König)

1998–2002
Research staff in the steel and wood construction department at Hamburg-Harburg Technical University (Professor Valtinat)

1998
Degree as civil engineer from Hamburg-Harburg Technical University

Karsten Holste

Managing partner (WKC Hamburg GmbH)
Managing director (WK Consultants GmbH)
Partner and test engineer for construction engineering (WK Consult Hamburg GbR)

2015
Managing director at WK Consultants GmbH

Recognition as test engineer for construction engineering, specialising in solid construction

2012
Managing partner of WKC Hamburg GmbH Planungen im Bauwesen

2010
Authorised signatory of WKC Hamburg GmbH Planungen im Bauwesen

2009
Certified expert planner for concrete restoration

2008
Officer at WK Consult Hamburg

Officer and shareholder of WKC Hamburg GmbH

2001
WKC Hamburg GmbH Planungen im Bauwesen (formerly WKP König und Partner)

2000–2001
A. Holzkamm GmbH, construction company, Verden (Aller)

2000
Degree as civil engineer from North-East Lower Saxony University of Applied Sciences

Dr Eckard Schmidt

Managing director (WK Consultants GmbH)
Authorised signatory (WKC Hamburg GmbH)

2017
Authorised signatory at WKC Hamburg GmbH

2015
Managing director at WK Consultants GmbH

2013
Member of operational management, WKC Hamburg GmbH

2011–2014
Managing partner at Knabe Enders Dührkop Ingenieure GmbH

2010–2013
Managing partner at Knabe Beratende Ingenieure GmbH

2009–2013
Managing partner at Knabe Beratende Ingenieure GmbH

2004–2009
Project manager/branch manager at Inros Lackner AG

2001–2004
Knabe Beratende Ingenieure GmbH

1997–2001
Colcrete von Essen GmbH & Co. KG

1992–1998
Doctorate in civil engineering (hydraulic engineering and water protection) Braunschweig Technical University

1984–1991
Degree as civil engineer from Braunschweig Technical University

Thorsten Grimm

Authorised signatory (WKC Hamburg GmbH)

2013
Authorised signatory at WKC Hamburg GmbH

2012
Officer at WKC Hamburg GmbH

2008
Officer at WK Consult Hamburg

2000
Health and safety coordinator

1994
SIVV training course (+ adapted qualification in 1997)

1990
WK Consult Hamburg Ingenieure für Bauwesen VBI (formerly WK Dr Wachendorf und König)

Degree as civil engineer from University of Hanover

Christian Mädge

Authorised signatory (WKC Hamburg GmbH)

2013
Authorised signatory at WKC Hamburg GmbH

2012
Officer at WKC Hamburg GmbH and WK Consult Hamburg

2006
WK Consult Hamburg Ingenieure für Bauwesen VBI

2003–2006
Engineering syndicate Dr. Maack GmbH

2001–2003
Hesebeck Holzbau GmbH

2001
Degree as civil engineer from Lübeck University of Applied Sciences

Tobias Wilms

Head of testing and inspection
Officer

2015
Member of the management team

2012
Officer at WKC Hamburg GmbH

2008
Officer at WK Consult Hamburg

2002
Head of testing and inspection

1991
WK Consult Hamburg Ingenieure für Bauwesen VBI (formerly WK Dr. Wachendorf und König)

Degree as civil engineer from Hamburg University of Applied Sciences