Christian Ruoff

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. Dr. Oelrichs is partner with ZENK. For several years ru...

Sonja Schulz was born in Bremen in 1976. She studied law in Münster and Leuven, Belgium. She completed her practical training in Münster, Washington D.C. and Brussels. In addition, she completed an education in Anglo-American law, a subject-specific foreign language training, postgraduate studies in European law and training in change management. In 2003 she received a Master of European and Comparative Law from the University of Ghent, Belgium. She has been a lawyer at ZENK since 2...

Askan Deutsch advises and represents German and international clients in all areas of intellectual property law. He has extensive experience in competition, trade mark, design, copyright and domain law, as well as in patent, utility model, IT and data protection law. He supports companies in developing trade mark strategies, designing advertising measures and websites, and enforcing or defending preliminary injunctions and legal proceedings, including before the German Patent and Trade Mark O...

Ronald Steiling is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law and Public Law. Ronald practices law in Hamburg, Germany Best Lawyers has recognized Ronald Steiling since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ronald Steiling is held by other lawyers.

Lawyer, Accredited Specialist in Construction and the Law of Governing Architects Managing Partner

Olaf Hartenstein is a lawyer recognized by Best Lawyers in the practice areas of Maritime Law and Transportation Law. Olaf practices law in Hamburg, Germany Best Lawyers has recognized Olaf Hartenstein since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Olaf Hartenstein is held by other lawyers.

Born in Lübeck in 1974, Dr. Peer Feldhahn’s career as a lawyer began in 2004. He has been a specialist in construction and architectural law since 2009.He spent the first 10 years of his career at a renowned construction law firm and the following five years as a partner in a commercial law firm. Since January 2019, Dr. Peer Feldhahn has been supporting the real estate & construction division of ZENK Rechtsanwälte. He advises clients on major projects in the contract draft...

Andreas Wolowski is a lawyer recognized by Best Lawyers in the practice area of Public Law. Andreas practices law in Hamburg, Germany Best Lawyers has recognized Andreas Wolowski since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andreas Wolowski is held by other lawyers.

Dr. Morten Dibbert is an attorney-at-law and tax advisor at Möhrle Happ Luther . His practice focuses on tax and corporate law. He advises nationally and internationally active companies, particularly in the areas of restructuring, M&A and corporate tax issues. Dr. Dibbert regularly publishes academic articles on tax law topics. Before joining Möhrle Happ Luther, he worked for many years in leading law firms in the field of tax law.

Thorsten Herms is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Thorsten practices law in Hamburg, Germany Best Lawyers has recognized Thorsten Herms since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thorsten Herms is held by other lawyers.