Mani Reinert

David Vasella is a partner on the Information Technology, Intellectual Property and Competition team. He is the co-head of the Regulated Markets, Competition, Technology & IP team, together with Hans Rudolf Trüeb. He advises and represents Swiss and international companies in all industries and at all stages of growth on questions concerning data and technology law. He specialises in data use, negotiating data-related contracts, data security issues, cloud projects and IT contracts a...

Markus Pfenninger is a partner in the Transactions Team. His fields of expertise include capital market transactions, mergers & acquisitions, finance, restructurings, collective investment schemes as well as banking and insurance regulatory matters. He is a member of the International Bar Association’s (IBA) Task Force on the Financial Crisis and a past chair of the IBA’s Subcommittee on Legal Opinions as well as a past co-chair of the IBA’s Banking Law Committee. Born i...

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 regularl...

Managing Partner & Certified Tax Expert David Hürlimann’s practice focuses on tax law, in particular taxation of groups, merger & acquisition, corporate restructuring, international tax and tax accounting. Other areas of his tax practice include banking, executive compensation and tax planning for high net worth individuals.David Hürlimann graduated from the Universities Zurich and Geneva in 1998. After serving as a law clerk at the District Court of Zurich for two yea...

Daniel Glasl is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Daniel, who practices law in Zürich, Switzerland, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Admitted to the Bar since 1978 Areas of practice: International banking law, antitrust law, corporate law, IT, internet and media law, Professor of Civil, Business and European Law at the University of Zurich, Board Member of the European Institute in Zurich, Co-Director of the Center for Information and Technology, Society and Law, Zurich, Co-Director of the Center for Financial Market Regulation, President of the Appeal Commission of the Swiss Exchange SWX, Visiting Professor at the Univers...

Daniel Staffelbach is a partner in the Corporate & Commercial Team of Walder Wyss. He counsels Swiss and international clients in all sectors of health care & life sciences and in the insurance industry. His main areas of practice include company and contract law, public law and employment law. He advises his clients and also represents them in litigation. Born in 1966, Daniel Staffelbach studied law at the University of Berne (attorney 1993). He worked at the Administrative Law Panel...

Johannes Bürgi, partner with Walder Wyss since 2005, advises clients on matters involving real estate, finance, structured finance, restructuring, and capital markets (including debt and equity offerings and initial public offerings). In finance, he focuses on secured and unsecured lending, structured finance transactions including securitisation, alternative risk transfer, RMBS, CMBS, covered bonds, factoring, project finance and asset finance including complex real estate financings an...

Irène Suter-Sieber is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Irène, who practices law in Zürich, Switzerland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Irène is held by other top lawyers in the same geographic and legal practice area.

Urs P. Gnos heads the Transaction Team. His practice focuses on international and domestic mergers & acquisitions, private equity, venture capital and capital market transactions, commercial and corporate law as well as public tender offers and buy-outs. Urs P. Gnos also advises companies with respect to corporate governance matters, stock exchange regulations, corporate reorganizations and restructurings, incl. relocations. Urs P. Gnos is a member of various board of directors, among oth...