Julia Kleen

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

Christoph Mönig is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Christoph practices law in Hamburg, Germany Best Lawyers has recognized Christoph Mönig since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christoph Mönig is held by other lawyers.

Dr. Christian Freudenberg, born 1967 in Hagen, studied law at the Ruhr University, Bochum. Thereafter, he worked as a research assistant at the University of Rostock and the University of Hagen. He has been admitted to practise law in 1997. Since 2006, he is listed as a certified specialist in intellectual property law. From 1998 to 2000 he was Director of Business Affairs at edel music AG. Since 2001, he has been working as an attorney, joining a business law practice spezialising in media a...

Born in Lübeck in 1974, Dr. Peer Feldhahn’s career as a lawyer began in 2004. He has been a specialist in construction and architectural law since 2009.He spent the first 10 years of his career at a renowned construction law firm and the following five years as a partner in a commercial law firm. Since January 2019, Dr. Peer Feldhahn has been supporting the real estate & construction division of ZENK Rechtsanwälte. He advises clients on major projects in the contract draft...

Johanna Jülicher-Sieg is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense. Johanna practices law in Hamburg, Germany Best Lawyers has recognized Johanna Jülicher-Sieg since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Johanna Jülicher-Sieg is held by other lawyers.

Frauke Schmidt is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Frauke practices law in Hamburg, Germany Best Lawyers has recognized Frauke Schmidt since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Frauke Schmidt is held by other lawyers.

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...

Lawyer Associated Partner

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...

Jan Tobias Hartmann is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Jan Tobias practices law in Hamburg, Germany Best Lawyers has recognized Jan Tobias Hartmann since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jan Tobias Hartmann is held by other lawyers.