Philipp Hackländer

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...

Henning Sieber focuses his practice on real estate and corporate law. He regularly advises on real estate acquisitions and sales, including structuring and financing, and has broad experience in advising on large-scale portfolio transactions. Henning is also experienced in the structuring and restructuring of real estate investments, including advising on restructuring and refinancing of distressed investments. Due to his diverse experience, Henning was named a leading lawyer in real estate b...

Lawyer and Notary Partner

Jens Hackl is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Jens, who practices law in Berlin, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jens is held by other top lawyers in the same geographic and legal practice area.

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

Wolfgang Schönig is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Information Technology Law, Intellectual Property Law and Technology Law. Wolfgang, who practices law in Berlin, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wolfgang is held by other top lawyers in the same geographic and legal practice area.

Fabian Winters is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law and Public Private Partnership. 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.

Sandro Staroske is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Sandro, 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 Sandro is held by other top lawyers in the same geographic and legal practice area.

Ronald Buge is a partner at POELLATH in the private funds team in Berlin. Ronald advises fund managers on legal and tax matters relating to the structuring of alternative investment funds. Further, he advises institutional investors such as insurance companies and pension funds as well as family offices in connection with investments in such funds. He focuses on German and international tax law, including investment tax law, procedural law and tax compliance issues (FATCA, CRS, DAC 6). Client...

Sebastian Lutz-Bachmann is a top attorney recognized by Best Lawyers in the practice area(s) of Energy 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.