Erik Ahnis

Born in Brühl in 1965, Dr. Rolf Zeißig studied law in Bonn, Hamburg and Berlin. He was a research assistant at the Department of Labor and Social Law at the University of Potsdam and obtained a doctorate in labor law on the subject of “The Conservation of the Status Quo of Works Council Agreements in the Event of Termination”. Dr. Zeißig has worked as a lawyer since 1996 and as a specialist in labor law since 1999. He has been with ZENK since 2002. Dr. Zeißi...

Viviane Freifrau von Aretin is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Viviane Freifrau, who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Viviane Freifrau is held by other top lawyers in the same geographic and legal practice area.

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

Lawyer Senior Associate

Dr. Oliver Fleischmann advises clients in various industries, in particular regulated industries, on German and European competition and merger control law, as well as German and international foreign direct investment control law. Dr. Fleischmann has represented clients in numerous merger control proceedings and governmental investigations before the European Commission, the German Federal Cartel Office and the German Ministry of Economic Affairs. He has extensive experience in advising in t...

Lawyer and Mediator Partner

Christoph v. Arnim advises on corporate, financing, and insolvency law, with additional expertise in the real estate, commercial, and financial sectors. He supports clients in complex transactions, restructurings, and reorganisations as part of an experienced legal team. With many years of advisory work and supervisory board experience in both private and public companies and cooperatives, v. Arnim is highly experienced in conducting shareholders' meetings and advising decision-makers. He spe...

Alexander Hartmann is partner at FGvW and head of our Berlin M&A team. His broad practice covers a wide range of domestic and cross-border transactions both for strategic and for financial investors. Based in Germany’s preeminent VC hotspot, his venture capital work covers the full range from early financing rounds to various exit constellations, including complementary fields of advice such as corporate finance and employee or management participation schemes. Alexander advises in ...

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

Dr Matthias Durst is a partner and co-head of real estate at POELLATH in Berlin. For many years, he has advised on real estate transactions, real estate private equity and real estate project developments of all kinds, as well as on the conclusion of rental and lease agreements. He also advises on contract law and has accompanied various major portfolio transactions and individual transactions as the leading partner. In addition, he has broad experience in the fields of real estate financing,...