Klaus Kostka

Born in Lüneburg in 1967, Anja Teiwes studied law in Göttingen and has worked as a lawyer since 1996. She joined ZENK in 1999. Her clients consist primarily of planning offices, architects, engineers and structural engineers. Her practice focuses on all areas of architectural and engineering law, in particular on contract and fee matters. The awarding of planning services is another focus of her work, and she contributed her expertise to the “Guidelines on Procedures under the...

Henning Anders , born 1967 in Wedel, 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 reten...

Martin has worked in litigation and arbitration for more than fifteen years. He has extensive experience in representing clients before state courts and arbitral tribunals. As an experienced litigator, Martin represents national and international clients in commercial disputes before the German regional and higher regional courts. In the field of arbitration, he has conducted proceedings as counsel under various arbitration rules (including ICC, DIS, GMAA and in ad hoc proceedings). He also r...

Lothar Ende is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Lothar, 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 Lothar 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...

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.

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

Lawyer, Accredited Specialist in Construction and the Law of Governing Architects Partner

Kay Jacobsen is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Kay, who practices law in Hamburg, Germany, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kay is held by other top lawyers in the same geographic and legal practice area.

Hans-Jürgen Rieckhof is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Real Estate Law. Hans-Jürgen, 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 Hans-Jürgen is held by other top lawyers in the same geographic and legal practice area.