Matthias Berberich

Lawyer Senior Associate

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...

Martin Borning is a Local Partner in the Public Law Group in Germany with a focus on advising on transactions, including joint ventures, co-operations and corporate restructurings, and projects in regulated industries. Martin has longstanding experience advising companies and corporations in the energy and transportation sectors. On energy, he advises in the fields of conventional energy, in particular oil & gas, renewable energy and new energy, including hydrogen, carbon capture utilizat...

Lawyer and Notary Partner

Lawyer Associated Partner

Martin Hamer is a Partner in the Environmental Group in Germany. He focuses on environmental matters including soil and groundwater contamination, environmental permits, nature protection, waste management, mining and climate protection. Martin represents clients in complex permit procedures vis-à-vis public authorities, environmental liability litigation and public law contract negotiations. In addition, he advises on environmental and other regulatory matters in corporate and real es...

Thomas Winkemann is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Thomas, 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 Thomas is held by other top lawyers in the same geographic and legal practice area.

Prof Dr Thomas Höppner is a partner with Geradin Partners. Before joining Geradin Partners in 2025, Thomas was a partner at Hausfeld for ten years. With over 20 years of experience, Thomas has advised clients on a broad range of contentious and non-contentious antitrust and regulatory matters. He has assisted clients on numerous high-stake investigations, including some of the most complex cases in the tech, media and network industries. Thomas is also a trusted litigator on matters of E...

Silvio Sittner is a partner at GÖRG Partnerschaft von Rechtsanwälten mbB and has been head of the real estate law Department since 2021. He advises national and international companies in the field of real estate law. He is primarily specialised in real estate transactions/project developments, commercial landlord and tenant law and land law (including complex neighbor agreements). Another focus is his work as a notary public. After studying law at the Humboldt University of Berlin,...

Roland Steinmeyer is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Roland, who practices law in Berlin, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roland is held by other top lawyers in the same geographic and legal practice area.