Mr Andreas Rötheli > Lenz & Staehelin > Geneva, Switzerland > Lawyer Profile

Lenz & Staehelin
1211 GENEVA 6

Work Department

Corporate and M&A, Private Equity, Commercial Banking, Real Estate, Contracts


Partner, Head of Corporate and M&A


Admission to Geneva Bar (1991), Joined Lenz & Staehelin (1996), Admission to New York Bar (1997), Partner at Lenz & Staehelin (2002)


German, English, French


Geneva Bar Association (OdA), Swiss Bar Association (SAV), International Bar Association (IBA), American Bar Association (ABA)


University of Geneva (lic. iur. 1988), New York University School of Law (M.C.J. 1996)

Lawyer Rankings

Switzerland > Healthcare and life sciences

Lenz & Staehelin‘s practice comprises specialists from different areas: Thierry Calame is a key contact in IP- and regulatory related queries, while Harold Frey has considerable know-how in life sciences disputes. The corporate and M&A-front is also well covered with names such as Andreas Rötheli and Guy Vermeil. The instructions come from a range of clients, such as pharmaceuticals, biotechnology, medical devices, diagnostics and pharmaceutical distribution companies, as well as other organisations such as healthcare providers and academic institutions. Lara Dorigo left the firm in early 2022.

Switzerland > Leading firms: French-speaking Switzerland

Lenz & Staehelin offers a broad array of services out of its Geneva and Lausanne offices and is particularly known for its advice in banking and finance, corporate and M&A matters as well as practice areas related to new technologies. Banking and finance specialists Shelby Du Pasquier, François Rayroux and Olivier Stahler, dispute resolution expert Xavier Favre-Bulle, competition law specialist Benoît Merkt, transactions specialist Andreas Rötheli as well as key contacts for private clients Lucien Masmejan and Jean-Blaise Eckert are noted.

Switzerland > Commercial, corporate and M&A

Lenz & Staehelin enjoys an excellent reputation in the market for its activity in public takeovers, private mid- and large-cap transactions, private equity and venture capital matters as well as corporate governance advice. Noted for its ‘creativity, stability, and efficiency‘, the team is particularly well versed in the financial services (incl. FinTech), chemical, healthcare and life sciences, TMT, industrials, and real estate industries. The close collaboration across departments adds value for the clients. Practice heads Hans-Jakob Diem and Andreas Rötheli both have a strong track record in M&A and PE transactions. Matthias Wolf advises banking and finance industry clients, and Beat Kühni‘s expertise also covers the venture capital space. Tino Gaberthüel is a ‘top notch listed company/takeover expert.’ Simone Ehrsam made partner in January 2022.

Switzerland > Real estate and construction

Lenz & Staehelin covers the full range of advice regarding real estate transactions and construction matters, including development and planning projects, land acquisitions, public private partnerships, public procurement and project negotiations. ‘Excellent‘ lawyer Beat Kühni stands out with his very good negotiating skills and high business acumen. The ‘very efficient and cleverCécile Berger Meyer advises on civil as well as administrative law matters regarding real estate projects and can draft a solid contract in a few hours. The ‘flexible, responsive team‘, which includes ‘excellent‘ real estate lawyer Fabiano Menghini and Andreas Rötheli, frequently advises on in- and outbound investments in infrastructure projects concerning, among others, the transportation, energy and water industries.