Anna-Sophie Hollenders

Born in Brühl in 1965, Dr. Rolf Zeißig studied law in Bonn, Hamburg and Berlin. He was a research assistant at the Department of Labor and Social Law at the University of Potsdam and obtained a doctorate in labor law on the subject of “The Conservation of the Status Quo of Works Council Agreements in the Event of Termination”. Dr. Zeißig has worked as a lawyer since 1996 and as a specialist in labor law since 1999. He has been with ZENK since 2002. Dr. Zeißi...

Jörg Beckmann studied law at the Georg-August-University in Göttingen, where he received his doctorate from the chair of Prof. Dr. Andreas Sattler. He completed his legal clerkship in 2001 at the Kammergericht. In the years that followed, Jörg Beckmann worked for two Berlin law firms that were well-known in the market. There he specialized in public building law and public zoning law. A particular focus of Jörg Beckmanns work is the special urban planning law of the German...

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...

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.

Oliver Markmann is as a Shareholder within the German Private Equity/M&A team, where he focuses on representing a diverse range of private equity and growth equity clients in various private M&A transactions. His work spans buyouts, minority investments, co-investments, equity rollovers, and joint venture structuring, primarily concentrating on the technology, business services, and healthcare & life sciences sectors. Besides his professional commitments, Oliver values the opportu...

Sebastian Lutz-Bachmann is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Public Law. Sebastian practices law in Berlin, Germany Best Lawyers has recognized Sebastian Lutz-Bachmann since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sebastian Lutz-Bachmann is held by other lawyers.

Henning Sieber focuses his practice on real estate and corporate law. He regularly advises on real estate acquisitions and sales, including the structuring and financing of real estate transactions, and has broad experience in advising in particular institutional clients on transactions in Germany and abroad. Henning is also experienced in the restructuring of real estate investments, including advising on restructuring and refinancing of distressed investments as well as on real estate inves...

Dr. Marcel Guenoub is a partner at POELLATH in Berlin. He advises his well-known clients on transaction-related advice (due diligence, purchase agreements, lease agreements, financing contracts), project developments (construction and project development contracts, architect and engineer contracts) and real estate-related joint venture projects. Marcel belongs to the “next generation” of POELLATH partners in the real estate sector and has already been listed in relevant rankings. ...

Ünsal Demir is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Ünsal practices law in Berlin, Germany Best Lawyers has recognized Ünsal Demir since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ünsal Demir is held by other lawyers.

Laura Zentner focuses her practice on the media and the technology sectors with an emphasis on copyright and entertainment law. Laura also advises national and international clients on large-scale outsourcing transactions, digitisation projects, cloud computing, software licensing as well as digital media. Her experience also includes the areas of development, production, funding, financing and distribution of films, TV programs and other audio-visual content. She advises on the structuring o...