Tonio Sadoni

Helge Hirschberger is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Helge, who practices law in Hamburg, Germany, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Helge is held by other top lawyers in the same geographic and legal practice area.

Arne Schmidt is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation, Restructuring and Insolvency Law and Tax Law. Arne, who practices law in Hamburg, Germany, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arne is held by other top lawyers in the same geographic and legal practice area.

Maria von Rosen is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Maria, who practices law in Hamburg, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maria is held by other top lawyers in the same geographic and legal practice area.

Dr. Wolfgang Hopp studied law, biology and English in Göttingen and completed his legal clerkship in Lower Saxony. From 1997-2000, he was a research consultant at the University of Münster’s Central Institute for Spatial Planning. In 1999, he received his doctorate in spatial planning law, with a thesis on the subject of “Legal and Enforcement Issues in Spatial Planning Procedures”. Dr. Hopp has been a lawyer at ZENK since 2000. He specializes in advising and assis...

Thomas Rieck is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Thomas, who practices law in Hamburg, Germany, has been recognized since 2025. 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.

Henning Anders is attorney-at-law and advises as partner at Möhrle Happ Luther healthcare companies. His clients include national and international pharmaceutical companies, and other involved parties within the healthcare system as well as manufacturers of medical products or care providers. Henning Anders and his team advise in almost every relevant area of the healthcare system. The focus of his legal advisory services is on regulation for market access and retention of market share o...

Lawyer Senior Associate

Born in Kiel Victoria-Luise Vollstedt studied at the University of Freiburg im Breisgau and the University of Hamburg from 2004-2009, passing her first state examination there in 2009. She completed her legal clerkship at the public prosecutor’s office, the District Court of Lübeck, the City of Ahrensburg and at several medium-sized law firms in Hamburg, where she focused on civil law. She passed her second state licensing examination in 2011 and has been a lawyer at ZENK since 201...

Born in Göttingen in 1974, Dr. Stefanie Hartwig studied law in Kiel and Liège from 1994 to 1998 and completed her postgraduate studies in business law in Hamburg. Thereafter, she worked as a trainee lawyer in Hamburg and New York and as a research associate at the University of Hamburg. She completed her doctorate in 2002. Ms. Hartwig has been working as a lawyer since 2003, initially in a major international law firm and since 2005 at ZENK. Since 2007, she has also been a special...

Lawyer, Accredited Specialist in Employment Partner