Professor in the field of Management Control, Accounting and Finance. He gives classes at Webster University St. Louis/Vienna, Graz University of Technology and University of Applied Sciences Burgenland. He is guest/visiting professor at University of Twente, University of Maribor and Istanbul Medeniyet University.

He acts as a referee for academic journals and as a member of scientific committees at numerous international scientific conferences. He has published papers in major scientific journals, books and actively participated at scientific conferences around the world. Furthermore, he is Certified Tax Consultant (financial advisory), Expert Witness and Certified Valuation Analyst (EACVA/NACVA).