Doris Kostka

Volker Voth is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Volker, 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 Volker is held by other top lawyers in the same geographic and legal practice area.

Kurt Luka is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kurt, 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 Kurt is held by other top lawyers in the same geographic and legal practice area.

Gül Pinar has been advising and defending clients exclusively in the field of criminal law for over 25 years. She draws on a high degree of specialization and decades of forensic experience from numerous major trials. These include proceedings before the Higher Regional Courts, oral hearings before the Federal Court of Justice, constitutional complaints, and proceedings before parliamentary investigative committees. Her experience as a criminal defense attorney in the fight for the right...

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

Dr. Wolfgang Hopp studied law, biology and English in Göttingen and completed his legal clerkship in Lower Saxony. From 1997-2000, he was a research consultant at the University of Münster’s Central Institute for Spatial Planning. In 1999, he received his doctorate in spatial planning law, with a thesis on the subject of “Legal and Enforcement Issues in Spatial Planning Procedures”. Dr. Hopp has been a lawyer at ZENK since 2000. He specializes in advising and assis...

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

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

Patrick Zeising is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Patrick, 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 Patrick is held by other top lawyers in the same geographic and legal practice area.

Jan Erik Spangenberg specialises in dispute resolution, litigation and arbitration. He acts both as counsel and as arbitrator. He assists companies, governments and individuals in navigating complex disputes, in particular international commercial and investment arbitrations. He also advises governments and investors in relation to foreign investments and public international law. Jan Erik Spangenberg has successfully represented clients in many high stakes arbitrations (including ICC, DIS, S...

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...