Cornelia Yzer

Lawyer and Insolvency Administrator Associated 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...

Kirsten Schümann-Kleber is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Restructuring and Insolvency Law. Kirsten, 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 Kirsten is held by other top lawyers in the same geographic and legal practice area.

Birgit Geißler Lawyer | Specialist Lawyer for Building and Architectural Law | Managing Partner Birgit Geißler is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Birgit, who practices law in Berlin, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Birgit is held by other top lawyers in the same geographic and legal practice area. Studied law at the Free ...

Career Philipp is a German Attorney based in Berlin and admitted to the New York Bar. Prior to setting up WAGNER Arbitration, he worked in a medium sized German law firm, for many years as partner. He specializes in dispute resolution with a focus on arbitration and has extensive experience in cross-border disputes and business transactions. He holds an LL.M. degree from Emory Law School Atlanta and a doctorate degree from Rostock University. Education Universities of Regensburg and Berlin Hu...

Tarek Mardini is a partner in the private funds practice group of POELLATH in Berlin. He specializes in comprehensive advice on contract, corporate, regulatory and tax law and market practice in the area of alternative investment funds and asset management. He advises German and international fund managers on fund structuring, as well as institutional investors and family offices on investments in private equity, venture capital, private debt, infrastructure, real estate funds and other alter...

Martin Wirtz works in all fields of intellectual property matters, with a particular emphasis on trade mark, competition, and copyright law, including litigation. A further focus of his work is patent infringement proceedings. His clients include large and medium-sized firms as well as international companies and associations from a wide variety of different areas. Martin Wirtz studied law at the University of Passau, the University of Freiburg, the University of Cologne, and at Queens' Colle...

Ulrich Grau is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology Law and Life Sciences Practice, Health Care Law and Pharmaceuticals Law. Ulrich, 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 Ulrich is held by other top lawyers in the same geographic and legal practice area.

Niklas Conrad is a partner in the litigation group. His practice ranges from strategic litigation advice and extrajudicial dispute resolution to rights enforcement and the representation of clients in court. Niklas assists national and international clients from all sectors and industries in the resolution of commercial disputes, including post M&A conflicts. He regularly advises clients in cross-border disputes and assists in the enforcement of foreign judgments and arbitral awards. Nikl...

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