Hans-Michael Giesen

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.

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...

Fabian Meinecke is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Criminal Tax Practice. 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.

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

Wencke Bäsler advises real estate companies on all aspects of real estate transactions, including asset deals, share deals and the management of real estate properties. She also advises on corporate investments and participations, in particular joint ventures. Wencke has broad experience in advising national and international real estate investors, and has wide-ranging experience in handling the sale and acquisition of real estate portfolios, including structuring and financing. Another ...

Kati Beckmann is a partner in the German Finance Group with a focus on investment law, acquisition and corporate finance as well as financial restructurings. She advises sponsors and investors on fund formations, investments in and marketing of funds, as well as on regulatory requirements for specific institutional investors. Kati has also a wide-ranging experience in advising clients on the borrower and lender side regarding national and cross-border financing, refinancing transaction and in...

Christian Von Hammerstein is a Partner at Raue LLP and has been an attorney at Rechtsanwalt since 1994. He has also been a certified specialist for Administrative Law since 2000 and his practice areas include: Energy, Natural Resources, Climate Change, Antitrust & Competition, Litigation & Arbitration, Power Plant Projects, Energy Storage Facilities and Energy Trading, Market Regulation. Christian is affiliated with the International Bar Association, Institute for Energy and Regulator...

Born in Munich in 1965, Dr. Markus Kelber studied law and worked as a research assistant at the University of Regensburg in 1987 after completing his apprenticeship as a carpenter. Dr. Kelber has been active as a lawyer in Berlin since 1996, working first for an employers’ association and then for the medium-sized local law firm Danckert Böx Meier. In 1998, he obtained his doctorate in constitutional law with Prof. Dr. Udo Steiner in Regensburg, with a thesis on the subject of &ldq...

Dr Jan Hennig (Lawyer of the Year Environmental Law, Berlin, 2023) has been equity partner with GSK Stockmann since 2014. He is a certified specialist for administrative law. Practice: Planning law, public construction law, environmental regulations Project development Structuring projects with public sector clients Regulation / Constitutional and European law Short Biography: Worked for a major international law firm in the field of public commercial law and projects from 2006 to 2014 Traine...

Lawyer Partner