Sebastian Schwiddessen

Dr Matthias Durst is a partner and co-head of real estate at POELLATH in Berlin. For many years, he has advised on real estate transactions, real estate private equity and real estate project developments of all kinds, as well as on the conclusion of rental and lease agreements. He also advises on contract law and has accompanied various major portfolio transactions and individual transactions as the leading partner. In addition, he has broad experience in the fields of real estate financing,...

Born in Göttingen in 1966, Dr. Martin Düwel studied law and history in Regensburg, in Aberdeen, UK and at the Free University of Berlin. From 1994 to 1998, he worked as a research assistant at the Institute for State Studies, Constitutional and Administrative Law. He has been active as a lawyer in Berlin since 1996. In 1999, he received his doctorate in constitutional law on the subject of of “Oversight Powers of the Federal Constitutional Court in Constitutional Complaints ag...

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...

Dr Stefan Lebek is a partner and co-head of real estate at POELLATH in Berlin. He specialises in private real estate law with a focus on advice during real estate transactions (due diligence, asset and share deals, lease agreements, financing agreements, real estate-related corporate law), as well as in providing legal advice in connection with project development, joint ventures and real estate private equity investments. He also renders legal advice on all aspects of real estate-related pub...

Christiane Huismans, born in 1966 in Telgte (Westphalia), studied law in Münster following her banking apprenticeship in Bremen and has been working as a lawyer since 1996. Since 2017, she has been offering support in conflict situations as a mediator. Christiane Huismans is a partner at ZENK.* Due to her many years of experience as a lawyer in insolvency administrator law firms, on the side of intensive support of the credit industry as well as in large international law firms, Christia...

Dorothee von Einem advises companies on all labor and employment law related matters. A strong focus of Dorothee's practice is advising international clients on employee data protection and other compliance issues as well as employment contracts. Her expertise further covers all issues in connection with restructurings, reallocations and shut down of businesses, in particular with regard to negotiations and communication with works councils and authorities. She also routinely advises on all l...

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...

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.

Jörg Michael Siecke is a lawyer and partner at the Berlin office of Friedrich Graf von Westphalen & Partner. He advises on real estate transactions with a focus on commercial real estate, in particular retail and light industrial. He further assists with sale and purchase agreements and legal due diligence cases as well as other aspects of real estate law (commercial tenancy law, neighbor law, broker law). He speaks German and English.