Claas Oehler

Oliver Markmann represents a wide range of private equity clients as well as large and medium-sized domestic and international companies (listed and unlisted). Oliver focuses his practice on corporate matters, including corporate restructurings and general corporate law topics with a focus on stock corporations. He advises national and international clients in private M&A transactions (share deals and asset deals) and the structuring of Joint Ventures. Another focus is to prepare and stee...

Wilhelm Bellut is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Wilhelm, who practices law in Berlin, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wilhelm is held by other top lawyers in the same geographic and legal practice area.

Silvio Sittner is a partner at GÖRG Partnerschaft von Rechtsanwälten mbB and has been head of the real estate law Department since 2021. He advises national and international companies in the field of real estate law. He is primarily specialised in real estate transactions/project developments, commercial landlord and tenant law and land law (including complex neighbor agreements). Another focus is his work as a notary public. After studying law at the Humboldt University of Berlin,...

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

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

Natalie Hsiao is Local Partner in the Corporate/M&A team and focuses her practice on complex corporate transactions of all kinds, including acquisition and sale processes, joint ventures and restructurings. Natalie has broad experience in the field of M&A transactions for national and international clients with a focus on the real estate, infrastructure and the media, technology and telecoms sectors. In addition, she advises on all aspects of venture capital investments. Natalie repre...

Victoria Johnson is a specialist lawyer for information technology law, TÜV-certified data protection officer and auditor, and certified whistleblowing officer based in Berlin. While completing a part-time doctorate in commercial law focused on fundamental rights, she advises public and private sector clients—from start-ups to international corporations—on all aspects of digitisation, IT law, and data protection. Her expertise includes contract drafting, data protection manag...

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

Jörg Michael Siecke is a lawyer and partner at the Berlin office of Friedrich Graf von Westphalen & Partner. He advises on real estate transactions with a focus on commercial real estate, in particular retail and light industrial. He further assists with sale and purchase agreements and legal due diligence cases as well as other aspects of real estate law (commercial tenancy law, neighbor law, broker law). He speaks German and English.

Studies in mechanical engineering and process engineering at the RWTH Aachen and the Imperial College London (until 1991) Doctoral degree (Dr.-Ing.) at the ETH Zürich, Laboratory for Technical Chemistry (1991-95) Consultant (1991-95) in the area of process simulation und dynamics Patent attorney (since 1999), partner at Maikowski & Ninnemann (since 2000) LL.M. (European Intellectual Property Law) at the Kurt-Haertel Institute, Fernuni Hagen Since 2002 lecturer und since 2009 honorary...