Dr iur David Oser > Homburger > Zurich, Switzerland > Lawyer Profile


Work Department

Corporate / M&A.


Partner. Focus on public and private M&A, including redomestication transactions; corporate governance and general corporate matters. Recent representations: Roche Holding AG in its repurchase of its shares held by Novartis (2021), Axel Springer in its sale of its shares in the joint venture Ringier Axel Springer Media to Ringier (2021), Telemos in its purchase of Mammut Sports Group (2021), Colfax Corporation in its purchase of the Mathys Group (2021), FountainVest in its purchase of SPT Roth (2021), Telemos in its majority acquisition of Amorana (2020), Ernst Göhner Stiftung in its sale of its stake in Panalpina to DSV (2019), Smith & Nephew in its acquisition of Atracsys (2019).


Joined Homburger in 2003, Partner since 2009. Previously an associate at Sullivan & Cromwell, LLP (New York, 2000 – 2002).


German, English, French.


Swiss-American Chamber of Commerce, Legal Chapter.


University of Basel (lic iur 1995; Dr iur 2007). Columbia Law School (LLM 2000). Admitted to Swiss courts (1998) and New York bar (2001).

Lawyer Rankings

Switzerland > Commercial, corporate and M&A

Homburger ‘regularly brings far-ranging resources to bear to provide timely, thoughtful legal advice in a diversity of corporate areas.’ The team often showcases its expertise in regulated sectors such as banking and insurance, life sciences, nutrition, and telecommunication in complex transactions. It advises Swiss and foreign corporations on venture capital, private equity, public and private M&A deals, as well as on joint ventures, spin-offs, and auctions. The practice is led by Dieter Gericke, who has more than 25 years of experience. Frank Gerhard is well versed in the chemical and life sciences industries and David Oser specialises in private equity transactions. Daniel Hasler‘s ‘personality, transparency and in-depth knowledge of the deal gives him the capabilities to win over the power to shape the transaction.’ Other prominent practitioners are Daniel Daeniker, Claude Lambert and Andreas Müller.