Hans-Jakob Diem

Hans-Jakob Diem is regarded as a market-leading expert in Mergers & Acquisitions, corporate law and securities law matters. He has extensive experience in advising clients in acquisitions and disposals, leveraged buy-outs, public tender offers, mergers, spin-offs, takeover battles and proxy fights, both domestic and cross-border. He represents issuers and underwriters in IPOs, rights issues and other capital market transactions and represents companies and investors in takeover and securities law-related proceedings. In addition, he regularly advises boards of directors and executive management teams in corporate governance, corporate reporting and disclosure matters.

Besides his corporate practice, Hans-Jakob is a lecturer at the Universities of Basel, Zurich and St. Gallen. He is a regular speaker at conferences on M&A, securities law and corporate law topics and the author of various legal textbooks, commentaries and specialist articles in these fields.

• Corporate and Mergers & Acquisitions
• Capital Markets
• Corporate Governance
• Banking and Finance

• Zurich Bar Association (ZAV)
• Swiss Bar Association (SAV)
• 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

• 1992 University of Basel (lic. iur.)
• 1998 London School of Economics and Political
  Science (LL.M.)
• 2023 Partner at Walder Wyss