Hans-Jakob Diem

Hans-Jakob Diem is a corporate partner at Walder Wyss. He is part of the firm's Corporate and M&A practice group in Zurich. He has extensive experience in representing clients in a variety of corporate transactions, concentrating on mergers and acquisitions, capital market transactions, bank financings and corporate governance matters. He is regarded as a leading corporate practitioner in Switzerland and regularly involved in high-profile transactions in the Swiss market, both domestic and cross-border. Hans-Jakob Diem lectures corporate and M&A law at the universities of Basel and Zurich, is a regular speaker at conferences, an author of various legal textbooks and a regular contributor in law journals. He is admitted as an expert to the SIX Swiss Exchange for Listing Purposes.

University of Basel (lic. iur., 1992), Admission to Basel Bar (1995), London School of Economics and Political Science (LL.M., 1998), Joined Lenz & Staehelin (1998), Partner Lenz & Staehelin (2007), Partner Walder Wyss (2023)

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

Languages: German, English, French