Tax Advisor Handbook: The Civil Liability of the Tax Advisor (2003), Professional Liability Insurance (2003); Mandate Agreement/StBGebV/Marketing/Syndic Tax Advisor, Revision including StBVV (2013)
The civil liability and criminal responsibility of the tax advisor (2010)
Numerous articles in specialist journals on the law on fees, liability and professional law of tax advisors, criminal tax law and inheritance law (in particular in DB, NWB, DStR, Stbg and Kanzleiführung professionell)
Teaching assignments:
Since 1993: Studienwerk der Steuerberater in NRW e.V.
2004 - 2012: University of Poznan/Poland (German Institute)
2006 - 2008: University of Hamburg (ICGS)
Since 2012: University of Kaiserslautern - training course "Tax-Master" (area: criminal tax law)
Since 2016: Lecturer at the StB-Verband Westfalen-Lippe e.V.