Matthias Peukert

Jan Dreyer is a top attorney recognized by Best Lawyers in the practice area(s) of Maritime Law and Transportation Law. Jan, who practices law in Hamburg, Germany, has been recognized since 2009. 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.

Born in Hamburg in 1962, Birgitta Weihrich studied law in Hamburg. After completing her legal clerkship – including a post at the Directorate-General for Competition of the European Commission in Brussels and Speyer – she was admitted to the bar in 1992. After spending a number of years in a commercial law firm in Northern Germany and as a legal advisor and authorized signatory of an insurance company, she joined ZENK in 2018. She has many years’ experience in both a wide ra...

Stefan Bretthauer is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Stefan, who practices law in Hamburg, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stefan is held by other top lawyers in the same geographic and legal practice area.

Born in Bremerhaven in 1984, Dr. Lisa Feuerhake studied German and Anglo-American law in Münster. After passing her first state licensing examination, Dr. Feuerhake completed a doctorate on the subject of “Competition Law in England”. As part of her doctorate, she spent a research semester at the University of Oxford, UK, for which she received a German Academic Exchange Service (DAAD) scholarship. From 2010-2012, she completed her legal clerkship in Hamburg, with posts abroa...

Sabine Ottow is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Criminal Tax Practice. Sabine, 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 Sabine is held by other top lawyers in the same geographic and legal practice area.

Nina Springer is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Nina, who practices law in Hamburg, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nina is held by other top lawyers in the same geographic and legal practice area.

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

Dr Andreas Freitag has been working as a lawyer in Hamburg with a focus on intellectual property and IT law since 1993. He advises and represents national and international clients with regard to the development, exploitation and defence of their intellectual property rights and licensing strategies, in particular in the areas of fashion (design), cosmetics, advertising, software development and social media. He has particular experience in supporting cooperations and projects relating to dev...

Johanna Jülicher-Sieg is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense. Johanna, 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 Johanna is held by other top lawyers in the same geographic and legal practice area.

Born in Helgoland in 1966, Dr. Carsten Oelrichs trained as an industrial business administrator before going on to study law at the University of Hamburg, where he also worked as a research assistant at the Chair of Commercial, Shipping and Business Law. He received his doctorate in 1998, with a thesis on “Creditor Participation and Voting Bans in New Insolvency Proceedings”. Dr. Oelrichs has been a lawyer at ZENK since 1998. For several years running, he has been named by JUVE as...