Johannes Kater

Lawyer Partner

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...

Thomas Schulz is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Energy Law and Mergers and Acquisitions Law. Thomas, 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 Thomas is held by other top lawyers in the same geographic and legal practice area.

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...

Antje Baumbach is Partner at BEITEN BURKHARDT's Berlin office and member of the Corporate / M&A practice group. Her area of expertise comprises advice on energy law and the energy industry. She advises her clients with a particular focus on energy law, including regulatory issues, as well as antitrust and competition law. She also has extensive experience in contract law and the law on standard terms and conditions. She represents our clients' interests in contract negotiations, before re...

Anja Feies is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Anja, 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 Anja is held by other top lawyers in the same geographic and legal practice area.

Lawyer and Insolvency Administrator Associated Partner

Jan Endler is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Competition / Antitrust Law, Environmental Law, Project Finance and Development Practice, Public Law, Public Private Partnership and Regulatory Practice. Jan, 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 Jan is held by other top lawyers in the same geographic and l...

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

Burkard Wollenschläger is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law and Regulatory Practice. Burkard, 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 Burkard is held by other top lawyers in the same geographic and legal practice area.