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Thought Leaders

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Thought Leader

WWL Ranking: Thought Leader
WWL Ranking: Thought Leader

Global Leader

M&A 2019

Professional Biography

WWL Ranking: Recommended

WWL says

Hans-Jakob Diem is praised as "a really good practitioner" by sources for his standout work in high-value transactions involving clients in the pharmaceutical, banking and construction sectors among others.

Biography

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 also serves as principal outside counsel for a number of clients on stock exchange and securities trading law and corporate governance matters. He is admitted as an expert to the SIX Swiss Exchange for listing purposes.

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.

Hans-Jakob Diem completed a law degree at University of Basel (1992) and obtained an LLM from London School of Economics and Political Science (1998). Admitted to the Basel Bar (1995), he joined Lenz & Staehelin in 1998 and has been a partner since 2007. He speaks German, English and French.

Hans-Jakob Diem is a member of the following professional associations: the Zurich Bar Association (ZAV), the Swiss Bar Association (SAV), the International Bar Association (IBA), the Swiss Private Equity and Corporate Finance Association (SECA), the Swiss-American Chamber of Commerce, the Swiss-Chinese Chamber of Commerce (SCCC), the Swiss Institute of Directors and the Swiss LSE Alumni Association.

Lenz & Staehelin is the largest Swiss law firm with over 200 lawyers and with offices in Geneva, Zurich and Lausanne. Lenz & Staehelin's scope of activities covers all areas of business law for Swiss and international clients.

National Leader

Switzerland - Banking 2019

Professional Biography

WWL Ranking: Recommended

WWL says

Hans-Jakob Diem is a corporate specialist who gains recognition from peers for his outstanding work on sophisticated banking and capital markets transactions for major clients.

Biography

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 also serves as principal outside counsel for a number of clients on stock exchange and securities trading law and corporate governance matters. He is admitted as an expert to the SIX Swiss Exchange for listing purposes.

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.

Hans-Jakob Diem completed a law degree at University of Basel (1992) and obtained an LLM from London School of Economics and Political Science (1998). Admitted to the Basel Bar (1995), he joined Lenz & Staehelin in 1998 and has been a partner since 2007. He speaks German, English and French.

Hans-Jakob Diem is a member of the following professional associations: the Zurich Bar Association (ZAV), the Swiss Bar Association (SAV), the International Bar Association (IBA), the Swiss Private Equity and Corporate Finance Association (SECA), the Swiss-American Chamber of Commerce, the Swiss-Chinese Chamber of Commerce (SCCC), the Swiss Institute of Directors and the Swiss LSE Alumni Association.

Lenz & Staehelin is the largest Swiss law firm with over 200 lawyers and with offices in Geneva, Zurich and Lausanne. Lenz & Staehelin's scope of activities covers all areas of business law for Swiss and international clients.

Switzerland - M&A

Professional Biography

WWL Ranking: Recommended

WWL says

Hans-Jakob Diem is recognised by sources for his impressive handling of complex corporate transactions, on both a domestic and an international level.

Biography

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 also serves as principal outside counsel for a number of clients on stock exchange and securities trading law and corporate governance matters. He is admitted as an expert to the SIX Swiss Exchange for listing purposes.

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.

Hans-Jakob Diem completed a law degree at University of Basel (1992) and obtained an LLM from London School of Economics and Political Science (1998). Admitted to the Basel Bar (1995), he joined Lenz & Staehelin in 1998 and has been a partner since 2007. He speaks German, English and French.

Hans-Jakob Diem is a member of the following professional associations: the Zurich Bar Association (ZAV), the Swiss Bar Association (SAV), the International Bar Association (IBA), the Swiss Private Equity and Corporate Finance Association (SECA), the Swiss-American Chamber of Commerce, the Swiss-Chinese Chamber of Commerce (SCCC), the Swiss Institute of Directors and the Swiss LSE Alumni Association.

Lenz & Staehelin is the largest Swiss law firm with over 200 lawyers and with offices in Geneva, Zurich and Lausanne. Lenz & Staehelin's scope of activities covers all areas of business law for Swiss and international clients.

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