Frank Zingel

Guido Brucker is Partner at BEITEN BURKHARDT's Berlin office and member of the Corporate / M&A practice group. He advises national and international clients on all issues under energy and regulatory law, energy trade law and renewable energy law. He assists clients with regulatory administrative proceedings and is an experienced litigator.

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

Viola Bensinger is Global Co‑Chair of the firm’s Intellectual Property & Technology Practice Group and also chairs the Technology Practice in Germany. Viola advises clients from the technology, media, health care and other innovation-driven industries on digitisation projects, IT outsourcing, cloud computing, e‑commerce, electronic payment, data protection, and software licensing. She has wide-ranging experience in advising media and entertainment clients such as distributors, produ...

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...

Niclas Hellermann is a top attorney recognized by Best Lawyers in the practice area(s) of Automotive Law, Energy Law, Environmental Law and Public Law. Niclas, 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 Niclas is held by other top lawyers in the same geographic and legal practice area.

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...

Peter Michael Probst is a top attorney recognized by Best Lawyers in the practice area(s) of Public Private Partnership. Peter Michael, 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 Peter Michael is held by other top lawyers in the same geographic and legal practice area.

Birgit Geißler Lawyer | Specialist Lawyer for Building and Architectural Law | Managing Partner Birgit Geißler is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Birgit, who practices law in Berlin, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Birgit is held by other top lawyers in the same geographic and legal practice area. Studied law at the Free ...

Joseph is a German Attorney and admitted to the Berlin Bar since 2014. He acts both as party counsel and as arbitrator. His professional experience and expertise in dispute resolution and arbitration include numerous proceedings administered by the ICC, DIS, DIA, GMAA and other institutions, inter alia as arbitrator, lead counsel and secretary to the arbitral tribunal. In addition to his involvement in arbitral and court disputes, his experience includes the negotiation and consultation in se...

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