Jochen Unland

John Büttner advises on all aspects of national and international business tax law, including areas where it intersects with corporate and inheritance law. He has many years of experience in international tax law, criminal tax law, tax litigation, the taxation of restructurings, real estate taxation, and the taxation of capital investments. In addition, Mr Büttner advises private clients, families, and family businesses on ongoing tax matters, including asset structuring, (corporate...

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...

Carsten Grave is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Corporate Governance and Compliance Practice. Carsten, who practices law in Cologne, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carsten 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.

Jörg Richardi studied law at the University of Konstanz, where he also obtained his doctorate (Dr. jur.). He is currently a member of the Board of the Stuttgart Bar Association. Jörg Richardi is also a lecturer at the Stuttgart Technology University of Applied Sciences, a member of the board of examiners for the second state examination in law and a member of professional associations on labour law including the Working Group of Specialist Attorneys in Labour Law of the German Bar A...

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

Dr Frank Thiäner is a partner at POELLATH in Munich. Frank advises shareholders, investors and companies on M&A transactions. His focus is on private equity, family-owned enterprises and cross-border transactions. He also advises on venture capital transactions and succession planning. His clients include well-known German and international private equity funds, owners of medium-sized companies and private investors. He is one of the founders of the Munich M&A Forum e.V., served ...

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.

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

Peter Waltz is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law and Real Estate Law. Peter, who practices law in Frankfurt/Main, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.