Main fields of activity

  • Tax consulting for companies in the insurance industry and medium-sized companies
  • Insurance tax consulting
  • Investment tax law
  • Advice to startups and investors on financing issues and transactions (including investment readiness check and due diligence)
  • Coaching, business mediation and conflict management for startups


1997-2000University of Applied Sciences for Finance of the State of NRW, Nordkirchen
2000-2011Senior Manager in the Financial Services Tax department at pwc Wirtschaftsprüfungsgesellschaft GmbH, Düsseldorf/Cologne
2004LLM studies in Buckingham (England)
2001-2005Attorney-at-law with White & Case in Frankfurt and Hamburg
2004Appointment as tax consultant
2012-2015Partner in the area of Tax Financial Services at KPMG
Wirtschaftsprüfungsgesellschaft AG, Cologne
since 2015Business Mediator
2015-2019Managing Director of TRENZ Steuerberatungs GmbH
2019-2022Partner in the area of Financial Services Insurance at BDO AG Wirtschaftsprüfungsgesellschaft AG
since 2023Partner at Dr. Ganteführer, Marquardt & Partner


  • Insurance industry (property/casualty insurance, life insurance, pension funds, provident funds, pension funds, insurance brokers)
  • Startups(including MedTech, LegalTech, InsurTech, EdTech, AI)
  • Venture Capital
  • Medium-sized companies in various industries


  • Fehrenbacher/Schnitger, Kommentar KStG, SpringerGabler, 2nd edition on § 21a, p.2008-2017.
  • Janßen (ed.): Praktikerhandbuch MaGo, FCH, Tax CMS bei Versicherungsunternehmen, p. 204-220
  • Freiberger/Bruckner, Corporate Sustainability – Compass for Sustainability Reporting, SchäfferPoeschel, Disclosure Regulation, pp. 247-261.        
GANTEFÜHRER Wirtschaftsprüfer, Steuerberater, Anwälte