Dr Astrid Waser > Lenz & Staehelin > Zurich, Switzerland > Lawyer Profile

Lenz & Staehelin

Work Department

Competition Law, Cartel Investigation, Merger Filings and Compliance, Antitrust Litigation, Public Procurement Law, Technology, Media & Telecoms and Energy Law




Admission to Zurich Bar (1999), Joined Lenz & Staehelin (2002), European Commission / DG Competition – Secondment in a leading Brussel’s law firm (2004), Partner at Lenz & Staehelin (2012)


German, English, French, Italian, Spanish


Swiss Bar Association (SAV), Zurich Bar Association (ZAV), Studienvereinigung Kartellrecht eV, Swiss Association for Competition Law (ASAS is a member of the International League of Competition Law – LIDC), Member of Women Lawyers Switzerland


University College Dublin (1995), University of Lausanne (lic. iur., 1996), College of Europe (LL.M., 1997), University of Zurich (Dr. iur., 2002)

Lawyer Rankings

Switzerland > Public law

(Next Generation Partners)

Astrid Waser Lenz & Staehelin

Lenz & Staehelin‘s public law team in Geneva and Zurich is jointly headed up by Benoît Merkt, Marcel Meinhardt and Astrid Waser. The firm’s public sector experience includes advising on public procurement law, price surveillance regulations, environmental law, zoning issues, building mandates, energy law, and telecoms and media work. Clients range from state-owned entities and local authorities to private companies. Rayan Houdrouge departed the firm in the first half of 2022 for Walder Wyss Ltd.

Switzerland > Competition

(Leading individuals)

Astrid WaserLenz & Staehelin

Lenz & Staehelin fields a well-established and highly reputed competition team with experience in all areas of competition law and involvement in most high-profile cases. The firm has unique expertise in abuse of dominance, dawn raids and multi-jurisdictional filings. The multidisciplinary team is headed by Marcel Meinhardt and Benoît Merkt who work across multiple industries+ including banking and finance, fintech, energy and pharmaceuticals. The team is strengthened by key partner Astrid Waser  who has vast experience with regulatory investigations and compliance matters.

Switzerland > Regulatory, compliance and investigations

Lenz & Staehelin has capabilities in matters related to white collar and investigations, particularly within the banking sector. Dominique Müller often leads investigations in the banking and finance industry, while Marcel Meinhardt is the go-to lawyer for antitrust investigations. Valérie Menoud regularly advises Swiss and international clients from the insurance and wealth management industry on regulatory and compliance matters. Hikmat Maleh is a criminal and commercial litigator with vast experience in white-collar crime and asset recovery, as well as representing financial clients in complex multi-jurisdictional litigation. Astrid Waser  is a key figure in the team with a wealth of experience in workplace misconduct and environmental investigations.

Switzerland > Leading firms: German-speaking Switzerland

Lenz & Staehelin‘s full service offering includes work in the intellectual property field, employment matters, arbitration, and banking and finance. Key names to note are managing partner Thierry Calame, banking and finance experts Marcel Tranchet and Patrick Hünerwadel, capital markets-focused Patrick Schleiffer, corporate M&A specialists Lukas Morscher and Simone Ehrsam, dispute resolution expert Harold Frey, Astrid Waser, who advises on competition law, and Tanja Luginbühl, an expert in insolvency and restructuring matters.