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
  • since 2019: 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
  • Graduate Engineer
  • 1st state examination
  • 2nd state examination
  • Traineeship Lower Saxony
  • Free University of Berlin
  • Hanover University of Technology

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