Oliver Köster

Arne Schmidt is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation, Restructuring and Insolvency Law and Tax Law. Arne, who practices law in Hamburg, Germany, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arne is held by other top lawyers in the same geographic and legal practice area.

René Krohn is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. René, who practices law in Hamburg, Germany, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which René is held by other top lawyers in the same geographic and legal practice area.

Born in Göttingen in 1974, Dr. Stefanie Hartwig studied law in Kiel and Liège from 1994 to 1998 and completed her postgraduate studies in business law in Hamburg. Thereafter, she worked as a trainee lawyer in Hamburg and New York and as a research associate at the University of Hamburg. She completed her doctorate in 2002. Ms. Hartwig has been working as a lawyer since 2003, initially in a major international law firm and since 2005 at ZENK. Since 2007, she has also been a special...

Constantin Fahl is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Constantin, who practices law in Hamburg, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Constantin is held by other top lawyers in the same geographic and legal practice area.

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

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

Born in Kiel Victoria-Luise Vollstedt studied at the University of Freiburg im Breisgau and the University of Hamburg from 2004-2009, passing her first state examination there in 2009. She completed her legal clerkship at the public prosecutor’s office, the District Court of Lübeck, the City of Ahrensburg and at several medium-sized law firms in Hamburg, where she focused on civil law. She passed her second state licensing examination in 2011 and has been a lawyer at ZENK since 201...

Born in Rheda-Wiedenbrück in 1967, Dr. Henrik Nacke studied law in Münster. During his legal clerkship and dissertation period, he worked as a research assistant at the Chair for Public Law, International Law and European Union Law at the University of Münster. In 1999, he obtained a doctorate”on the subject of “Protection against Dismissal in Corporate Transformations”, during which he was supported by the State of North Rhine-Westphalia’s fund for high...

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

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...