Jan Dirkwinkel

Carsten Gerlach is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law. Carsten, who practices law in Berlin, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carsten is held by other top lawyers in the same geographic and legal practice area.

Sebastian Lutz-Bachmann is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Public Law. Sebastian, who practices law in Berlin, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian 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...

Stephanie Hotopp is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Stephanie, 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 Stephanie is held by other top lawyers in the same geographic and legal practice area.

Niklas Conrad is a partner in the litigation group. His practice ranges from strategic litigation advice and extrajudicial dispute resolution to rights enforcement and the representation of clients in court. Niklas assists national and international clients from all sectors and industries in the resolution of commercial disputes, including post M&A conflicts. He regularly advises clients in cross-border disputes and assists in the enforcement of foreign judgments and arbitral awards. Nikl...

Olga Braeuer is a counsel in the Litigation/Controversy Department, and a member of the International Arbitration Practice Group. She joined the firm in 2010 and focuses on international arbitration and dispute resolution. Ms. Braeuer focuses on international arbitration and dispute resolution. She has represented clients in complex multi-jurisdictional disputes governed by a broad variety of substantive and procedural laws, of both civil and common law jurisdictions. She has acted as counsel...

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

Jörg Kornbrust has been a lawyer since 2004, specialising in IT law, data protection, intellectual property, and copyright law. As a TISAX® and TÜV®-certified information security officer, data protection officer, and auditor, he focuses on large-scale IT and data protection projects for international clients. He advises on the implementation of complex IT processes to meet certifiable security standards, oversees legal project management, and prepares all necessary legal do...

Born in Duisburg in 1974, Dr. Kostja von Keitz studied law in Düsseldorf. He received his doctorate in European nature conservation and national administrative procedural law in 2005, with a thesis on the subject of “The Legal Protection of Private Individuals against Special Areas of Conservation”. He began his career as a lawyer in 2005, working initially for a major international law firm. He became a specialist in administrative law 2008 and joined ZENK in 2009. He has be...

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