Management

Executive Board

Stefan Gräf

Graduate Engineer Civil Engineering

Born 1967, Solingen

Expertise

Management of companies in the field of engineering, project development
Company structure
Project development
Project management
General planning

Details:

since 2019: Member of the Executive Board IGP Advantag AG
2019 - 2021: Chairman of the Supervisory Board of IGP Ingenieur AG
2014 - 2019: Member of the board of directors IGP Technik AG
since 2014: Managing Director IGP Sachverständigen GmbH
2004 - 2019: Managing Director IGP Projekt GmbH
2001 - 2019: Chairman of the Management Board of IGP Ingenieur AG
1998 - 2001: Managing Director IGP Ingenieurbüro Gräf und Partner Gbr
1994 - 1998: Project Manager/Superintendent Ed. Züblin AG Berlin
1992 - 1994: Head of structural design, Möller Architectural Office, Solingen

1988 - 1992: Diploma studies in civil engineering at the University of Wuppertal

Member of Berlin Chamber of Construction, consulting engineer
Rotary Club Berlin Pankow, current president
The family entrepreneurs
Sponsorship Association TU Munich

Raik Oliver Heinzelmann

Banking and finance specialist, certified spot market exchange trader (EEX) for emission rights and gas

Born 1970, Naumburg

Expertise

Emissions trading
Emission rights
Corporate Financing
Brokerage and Trading

Details:

since 2019: Member of the Executive Board IGP Advantag AG
since 2015: CEO Auximio AG
since 2013: Managing Director Advantag Services GmbH
since 2012: Chairman of the Supervisory Board Qomtec AG
since 2012: Managing Director Advantag Climate Invest GmbH
since 2009: CEO Advantag AG (now IGP Advantag AG)
2018 - 2020: Chairman of Suoervisory Board of Olympic Therapeutics AG
2006 - 2007: Member of the Supervisory Board Interprojekt AG
2005 - 2008: Secretary Berrer & Sons Ltd.
2004 - 2007: Member of the METREX International Managing Committee
2004 - 2009: Managing Director METRAG Consulting GmbH
2001 - 2009: Chairman of the Managing Board METRAG Aktiengesellschaft
2000 - 2001: Member of the Supervisory Board United Food Technologies AG
1997 - 2000: Chief Financial Officer DBH Brokerhaus AG
1994 - 1997: Managing director and owner of Heinzelmann & Partner Consulting
1990 - 1995: Head of IT and Organization Raiffeisenbank Naumburg eG
1989 - 1989: Project manager IT Kreissparkasse Naumburg

1987 - 1989: Vocational Training Qualified Bank Clerk at the Kreissparkasse Naumburg
2009 - 2010: EEX Trader for Gas and Carbon Emission Allowances

Supervisory Board

Friedrich Orth

German Graduate Engineer

Born 1944

Expertise

Management v. Company
Company structure

Details:

since 2019: Chairman of the Supervisory Board of IGP Advantag AG
Higher service in the Land of Lower Saxony
Higher Service in the Free and Hanseatic City of Hamburg
Founding member and member of the board of directors of a real estate stock corporation

Petra Wierzchowski

Certified Public Accountant

Born 1966, Berlin

Expertise

Management of companies in the field of tax consultancy / auditing
Company structure

Details:

since 2019: Member of the Supervisory Board IGP Advantag AG
since 2017: Chief Executive Officer Stephan Braunfels Projekt AG
since 2004: Managing Director. Partner of Hecht & Wierzchowski GmbH
1998 - 2004: Partner of Hecht & Kollegen GbR, chartered accountant and tax consultant
1991 - 1998: Assistant in the tax and auditing department, Michael Hecht

2004: Auditor's examination and appointment as auditor
1998: Tax consultant exam and appointment as tax consultant
1987 - 1991: Study of Business Administration at the FU Berlin, (Dipl.- Kauffrau)
1985 - 1987: Apprenticeship as bank clerk at Berliner Bank AG

Berlin Chamber of Auditors
Berlin Chamber of Tax Consultants
Institute of Auditors (IDW)

Burkard Dregger

Lawyer

Born 1964, Fulda

Expertise

Management v. Company
Company structure
Law

Details:

since 2019: Member of the Supervisory Board IGP Advantag AG
since 2018: Chairman CDU parliamentary group
since 2018: Member of the Berlin House of Representatives
2006 - 2012: President Alliance of Business Lawyers
since 1995: Development of Dregger Attorneys at Law Berlin
1991 - 1992: Freelance work for an international law firm in Dallas, Texas

1994: 2nd state examination in law
1991 - 1992: Study of American and international law
1991 - 1994: Trainee lawyer training at Frankfurt Main District Court
student council member
1989: first state examination in law
1984 - 1988: Study of German and European law at the University of Freiburg
University of Geneva, London School of Economics & Political Science
Westphalian Wilhelm University of Münster

CDU parliamentary group
Alliance of Business Lawyers
Berlin House of Representatives

Jennifer Gräf

Master of Science in Architecture

Born 1987, Berlin

Expertise

Management of a company in the field of architecture / project development
Company structure
Project development
Project management

Details:

since 2019: Member of the Supervisory Board IGP Advantag AG
2018 - 2019: Member of the Supervisory Board Metis AG
since 2018: Managing Partner SAA Schweger Architekten
since 2017: Chief Executive Officer Stephan Braunfels Projekt AG
since 2015: Management of IGP Projekt GmbH
2015 - 2019: Procuration IGP Ingenieur AG
2011 - 2014: Research assistant BTU Cottbus, member of the student council

2010 - 2011: Master studies Brandenburg University of Technology Cottbus
2008 - 2009: Semester abroad Tulane University New Orleans, USA
2006 - 2010: Bachelor studies Brandenburg University of Technology Cottbus
student council member

Member of Hamburg Chamber of Architects
Member of Berlin Chamber of Architects
Beuth Hochschule, Sponsor German Scholarship