Christian Otto

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...

Olga Braeuer is a counsel in the Litigation/Controversy Department, and a member of the International Arbitration Practice Group. She joined the firm in 2010 and focuses on international arbitration and dispute resolution. Ms. Braeuer focuses on international arbitration and dispute resolution. She has represented clients in complex multi-jurisdictional disputes governed by a broad variety of substantive and procedural laws, of both civil and common law jurisdictions. She has acted as counsel...

Andreas Urban is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Labor and Employment Law and Mergers and Acquisitions Law. Andreas, who practices law in Berlin, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andreas 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.

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...

Thilo Ullrich is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Thilo, 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 Thilo 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 ...

Florian Rösch is a Shareholder and focuses his practice on real estate and corporate law, with a focus on real estate transactions and real estate developments. He also represents clients in joint venture situations and ongoing asset management work, including leasing. Florian also works as a notary with a focus on all kind of real estate and corporate notarizations. He works for domestic and foreign investors, asset management companies, developers, and the public sector. His experience...

Fabian Sokolowski is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Fabian, who practices law in Berlin, Germany, has been recognized since 2017. 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.

Sebastian Schmid is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Sebastian, who practices law in Frankfurt/Main, Germany, has been recognized since 2023. 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.