Ra Roger Ammann > Walder Wyss Ltd. > Zurich, Switzerland > Lawyer Profile

Walder Wyss Ltd.
PO BOX 1236

Work Department

Banking and Finance


Managing Associate


Roger Ammann is a managing associate in Walder Wyss’ Banking & Finance Team and advises Swiss and international financial institutions and corporations on all aspects of banking and financial markets law, stock exchange and capital market law, mergers & acquisitions as well as contract, corporate and commercial law.

Before joining Walder Wyss he worked during several years as attorney for leading Swiss law firms in Zurich.


Roger Ammann's working languages are German and English.


Roger Ammann obtained his degree in law and economics (M.A. HSG in Law and Economics) in 2008, and a degree in accounting and finance (M.A. HSG in Accounting and Finance) in 2009, both from the University of St. Gallen (HSG). Furthermore, he is a CFA charterholder.

Lawyer Rankings

Switzerland > Banking and finance: Zurich

Walder Wyss Ltd.’s team is particularly strong in lending and structured finance transactions, and is active at the international level for a range of high-profile clients. Co-leading the team is regulatory and fintech expert Thomas Müller, Lukas Wyss, who specialises in domestic and cross-border finance transactions, and Theodor Härtsch, who focuses on leveraged finance, syndicated lending, and structured finance work. Other core team members include Luc Defferrard, Johannes Bürgi, and David Borer, who joined from Homburger in July 2022. Associate Roger Ammann has experience in asset based financings.