Stefan advises his clients in national and international corporate and commercial law and enforces their claims in German state courts as well as in national and international arbitral tribunals.

Stefan is also a lecturer at the German Military University in Munich. Amongst others, his lectures focus on German corporate law and international trade law.

He is a member of the American Bar Association (International Arbitration Committee), the German Institution of Arbitration, the committee on international law in the German Lawyers’ Association, the German-American Lawyers’ Association, the German-Polish Lawyers’ Association, the Toenissteiner Kreis, the German Youth for Understanding Committee, the Muenster University Debating Union, the German Debating Society and of the German Council on Foreign Relations.

After having obtained a high school degree in the USA as well as a German-French high school degree in Germany, Stefan studied law at the universities of Muenster, Lodz / Poland and Berlin. In Muenster, Stefan successfully passed additional training classes in legal English. Stefan was the president of the Muenster University Debating Union, one of the oldest and most successful Debating Unions in Germany, and regularly took part in debating tournaments in German and English. After his legal clerkship with the Higher Regional Court Berlin, Stefan worked for one of the worldwide largest US-based law firms from 2009 until 2011. From 2011 until 2017, he worked for one of the leading German international law firms.

In 2017, Stefan was appointed as expert on corporate governance, Germany, by the international IR-Global recommendation list.

Stefan's recent experience includes advising:

- A foreign company in an international trade dispute with a German company, including representation in arbitration under ICC-Rules

- A leading German medium- sized business in an international trade dispute, including representation in a German court

- A leading patent attorney law firm regarding the separation from two shareholders, including representation in follow-up ad-hoc arbitration

- A shareholder of a leading boutique law-firm regarding the separation of the Munich office from the other German offices, including representation in subsequent litigation in a German court

- An international investor in Post-M&A-Arbitration under DIS-Rules