Stefan Bruinier

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...

John-Patrick Bischoff is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. John-Patrick, 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 John-Patrick is held by other top lawyers in the same geographic and legal practice area.

Hans Markus Wulf is a top attorney recognized by Best Lawyers in the practice area(s) of Data Security and Privacy Law and Information Technology Law. Hans Markus, who practices law in Hamburg, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hans Markus is held by other top lawyers in the same geographic and legal practice area.

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

Dr. Andrea Kröpelin is a partner and certified specialist in employment law at Möhrle Happ Luther . She advises national and international clients on all aspects of individual and collective employment law, including representation in court. Some of the key areas of her work are legal and strategic advice relating to restructuring and M&A projects, company co-determination law, global mobility and employee data protection. She also has a wide range of experience in advising phar...

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.

Florian Schulz is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Florian, 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 Florian 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.

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

Dr Thorsten Bieg advises national and international companies, creditors, investors and suppliers/customers in situations of crises. He specialises in the areas of insolvency law and restructuring, legal, financial and accounting reorganisation, trusteeships, corporate law, mergers & acquisitions and advice in times of crisis.