Thomas Kirch

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.

Gordon Geiser is a partner with GT Restructuring. His clients include investors as well as companies in distressed situations and their respective management. Gordon Geiser regularly acts as restructuring advisor to his clients to develop and implement restructuring concepts by means of both debtor-in-possession proceedings and regular insolvency proceedings. He also gets appointed as insolvency administrator. When acting for his clients, Gordon Geiser takes on positions in the management of ...

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...

Dr. Ann-Christin Richter is Deputy Managing Partner at Hausfeld in Berlin. She advises on all aspects of competition law and represents clients in antitrust and IP litigation. Ann-Christin specializes in representing clients in cartel damages actions, both on the plaintiff’s and the defendant’s side. She is also experienced in defending clients in cartel investigations by competition authorities and in conducting internal investigations. A further focus of Ann-Christin’s pra...

Viviane Freifrau von Aretin is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Viviane Freifrau, who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Viviane Freifrau is held by other top lawyers in the same geographic and legal practice area.

Laura M. Zentner is a top attorney recognized by Best Lawyers in the practice area(s) of Entertainment Law, Information Technology Law and Media Law. Laura M., who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura M. is held by other top lawyers in the same geographic and legal practice area.

Andreas Grünwald is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, Entertainment Law, Media Law, Regulatory Practice, Technology Law and Telecommunications Law. Andreas, who practices law in Berlin, Germany, has been recognized since 2009. 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.

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...

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...

Markus Appel is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Public Finance Law and Public Law. Markus, 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 Markus is held by other top lawyers in the same geographic and legal practice area.