Malte Köster

Dr. Ann-Christin Richter is Deputy Managing Partner at Hausfeld in Berlin. She advises on all aspects of competition law and represents clients in antitrust and IP litigation. Ann-Christin specializes in representing clients in cartel damages actions, both on the plaintiff’s and the defendant’s side. She is also experienced in defending clients in cartel investigations by competition authorities and in conducting internal investigations. A further focus of Ann-Christin’s pra...

Christoph Riese is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Public Law and Public Private Partnership. Christoph, who practices law in Berlin, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christoph is held by other top lawyers in the same geographic and legal practice area.

Markus Appel is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Public Finance Law and Public Law. Markus, who practices law in Berlin, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Markus is held by other top lawyers in the same geographic and legal practice area.

Prof. Dr. Christof Hettich is specialised in the fields of Mergers & Acquisitions, the structuring and restructuring of companies as well as general corporate law. For many years, he has chaired or held seats on a number of supervisory boards including those of listed companies in various industry sectors. Prof. Dr. Hettich is honorary professor at SRH University Heidelberg and lectured at Heidelberg University (LL.M. corporate restructuring) until 2014.

Sven Köhnen is a lawyer and partner at the Cologne office of Friedrich Graf von Westphalen & Partner and a certified specialist for labor and employment law. He also is a lecturer at the Cologne macromedia University of Applied Sciences. His focus is on commercial and distribution law on a national and international level, particular within the automobile sector but also in other areas (insurance, financial services, medical technology, construction, energy, IT, furniture design, pac...

Kaan Gürer is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, European Union Law and Litigation. Kaan, who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kaan is held by other top lawyers in the same geographic and legal practice area.

Lawyer Partner

Born in Helgoland in 1966, Dr. Carsten Oelrichs trained as an industrial business administrator before going on to study law at the University of Hamburg, where he also worked as a research assistant at the Chair of Commercial, Shipping and Business Law. He received his doctorate in 1998, with a thesis on “Creditor Participation and Voting Bans in New Insolvency Proceedings”. Dr. Oelrichs has been a lawyer at ZENK since 1998. For several years running, he has been named by JUVE as...

Cornelia Gersch is a top attorney recognized by Best Lawyers in the practice area(s) of Art Law. Cornelia, who practices law in Frankfurt/Main, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cornelia is held by other top lawyers in the same geographic and legal practice area.

Michael Cziesla is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law. Michael, who practices law in Frankfurt/Main, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.