Partner at Lenz & Staehelin, Hans-Jakob Diem heads the Corporate and M&A group and co-heads the Capital Markets group in Zurich. He specializes in corporate transactions, mergers and acquisitions, capital market transactions, bank financings and corporate governance matters. He is regularly involved in high-profile domestic and cross-border transactions in the Swiss market.

• Banking
• Capital markets: Equity
• M&A 
• Private equity

• Banking
• Consumer goods and services
• Industrials
• Pharma and life sciences
• Tech and telecoms

• Switzerland

• Zurich Bar Association (ZAV)
• Swiss Bar Association (SAV) 
• International Bar Association (IBA)
• Swiss Private Equity & Corporate Finance Association (SECA)
• Swiss-American Chamber of Commerce
• Swiss-Chinese Chamber of Commerce (SCCC)
• Swiss Institute of Directors
• Swiss LSE Alumni Association
• Admitted as an expert to the SIX Swiss Exchange for Listing Purposes

• University of Basel (lic. iur., 1992)
• London School of Economics and Political Science (LL.M., 1998)