Hans Christian Kirchner

Born in Brühl in 1965, Dr. Rolf Zeißig studied law in Bonn, Hamburg and Berlin. He was a research assistant at the Department of Labor and Social Law at the University of Potsdam and obtained a doctorate in labor law on the subject of “The Conservation of the Status Quo of Works Council Agreements in the Event of Termination”. Dr. Zeißig has worked as a lawyer since 1996 and as a specialist in labor law since 1999. He has been with ZENK since 2002. Dr. Zeißi...

Markus Hutschneider is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Markus, who practices law in Berlin, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Markus is held by other top lawyers in the same geographic and legal practice area.

Axel Dahms is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Axel, 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 Axel is held by other top lawyers in the same geographic and legal practice area.

Sara Berendsen is a Shareholder in the German Corporate/M&A team. Sara has extensive experience in the field of Private Equity and M&A transactions, in particular distressed M&A, for national and international clients with a special focus on the retail, technology and real estate sectors. She advises her clients on corporate restructurings, including cross-border mergers and other cross-border corporate measures, as well as transactions of all kinds, including acquisition and sale...

Toralf Baumann is Partner at BEITEN BURKHARDT's Berlin office and member of the Corporate / M&A practice group. His area of expertise comprises energy and procurement law. He advises his national and international clients from the energy industry and other industrial sectors particularly on energy law issues, including the law on concession agreements and levies, renewable energy law and legal issues surrounding heat supply. Moreover, he is an experienced litigator.

Tarek Mardini is a partner in the private funds practice group of POELLATH in Berlin. He specializes in comprehensive advice on contract, corporate, regulatory and tax law and market practice in the area of alternative investment funds and asset management. He advises German and international fund managers on fund structuring, as well as institutional investors and family offices on investments in private equity, venture capital, private debt, infrastructure, real estate funds and other alter...

Aldo Trentinaglia, born in Munich in 1982, completed basic studies in philosophy, logic and philosophy of science at the Ludwig Maximilian University in Munich on a scholarship from the Friedrich Ebert Foundation. Later followed law studies at the Bucerius Law School in Hamburg with a stay abroad in Sydney, Australia, as a scholarship holder of the German National Academic Foundation. He completed his legal clerkship at the Hanseatic Higher Regional Court. While working he completed his train...

Viviane Freifrau von Aretin is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Viviane Freifrau, who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Viviane Freifrau is held by other top lawyers in the same geographic and legal practice area.

Mathias advises private equity, financial and venture capital investors, as well as corporates and entrepreneurs on their buy-side and sell-side M&A deals, strategic investments, financing rounds and joint ventures.

Sebastian Lutz-Bachmann is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Sebastian, who practices law in Berlin, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian is held by other top lawyers in the same geographic and legal practice area.