Hans-Jakob Diem

Hans-Jakob Diem

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Hans-Jakob Diem is a corporate partner at Lenz & Staehelin. He heads the firm’s corporate and M&A practice group and is the co-head of the capital markets 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. Hans-Jakob Diem is regarded as a leading corporate practitioner in Switzerland and is regularly involved in high-profile transactions in the Swiss market, both domestic and cross-border. He represented, among others, Monsanto in its proposed business combination with Syngenta, Deutsche Börse in its acquisition of STOXX and Indexium, HNA Group in its acquisition of Swissport Group, The Chubb Corporation in the merger with ACE Limited, Sunrise in its IPO and bond financings, BTG Pactual in the acquisition and the sale of BSI, Nationale Suisse in connection with Helvetia’s public tender offer and Holcim’s principal shareholder in the merger between Holcim and Lafarge. He also serves as principal outside counsel for a number of clients on stock exchange and securities trading law and corporate governance matters. Besides his corporate practice, Hans-Jakob Diem lectures corporate and M&A law at the universities of Basel and Zurich and is a regular speaker at conferences, an author of various legal textbooks and a regular contributor in law journals.

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