Klaus Kostka

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.

Corinna Struck is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Corinna, 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 Corinna is held by other top lawyers in the same geographic and legal practice area.

Olaf Hartenstein is a top attorney recognized by Best Lawyers in the practice area(s) of Maritime Law and Transportation Law. Olaf, 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 Olaf 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...

Dr. Sebastian Bednarz is attorney-at-law, specialist in commercial and corporate law and partner at Möhrle Happ Luther . His practice focuses on corporate law. Here, he advises companies, their executive bodies and shareholders in particular on the law governing limited liability companies and stock corporations, on re-structuring and M&A as well as on capital markets law (compliance of listed companies, corporate actions). Dr. Bednarz regularly publishes academic articles on corpora...

Frederik Fiekas is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Pharmaceuticals Law. Frederik, who practices law in Hamburg, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frederik is held by other top lawyers in the same geographic and legal practice area.

Ronald Steiling is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Public Law. Ronald, 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 Ronald 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...

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

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