• Consulting and auditing of non-profit organizations and foundations, especially sports clubs
• Audit and structuring advice for medium-sized companies including their shareholders
• Development of company succession concepts
• Insolvency and income tax law

Mr. Feldgen studied business administration at the University of Applied Sciences (FHDW) in Bergisch Gladbach. As part of a postgraduate course in taxation at the University of Münster (JurGrad gGmbH), he earned an Executive Master of Business Administration (EMBA) degree.

Before joining DORNBACH GMBH as Managing Director on July 01, 2016, he worked for well-known medium-sized auditing and tax consulting companies. In addition to auditing and advising non-profit organizations, Mr. Feldgen’s main areas of practice include in particular advising medium-sized companies and their shareholders on the structuring of their business. He also has a focus on tax accounting, advising on company pension plans and insolvency tax law.
 
Mr. Feldgen regularly publishes on income tax topics in relevant professional journals as well as commentaries. He is the editor of the standard work on hidden profit distributions and hidden contributions published by Stollfuß Medien. In addition, he is the editor of a weekly online publication of the tax and business law publisher Stollfuß Medien, which deals with the commentary of current case law as well as legislative proposals in tax law.
Mr. Feldgen is also a lecturer for auditing at the Fachhochschule der Wirtschaft (FHDW), Bergisch Gladbach.

Since January 2018, Mr. Feldgen has been managing director and shareholder of DORNBACH GMBH.