Nicolas Killen


Nicolas Killen

Managing partner


+41 22 707 18 00


+41 22 707 18 11


French, English


Nicolas Killen advises individuals and legal entities, including banks, asset managers, investment funds and industrial companies.
Nicolas Killen focuses his practice on commercial law, notably company law (setting up, structuring, and shareholders' agreements), contract law, as well as on banking and finance law. Nicolas Killen focuses equally on mergers and acquisitions. He also advises on national and international tax matters.
Nicolas Killen serves on the board of directors of a number of banks and financial and commercial companies. He also serves on the board of several foundations.


Swiss Bar Association
Geneva Bar Association
Swiss Tax Association
Swiss Private Equity & Corporate Finance Association (SECA)
American Bar Association

Education and Professional Experience 

1986 Geneva University (lic.iur.)
1986 Legal intern at Borel & Barbey
1989 Geneva Bar
1990 Duke University School of Law, USA (LLM)
1991 New York Bar Association
1991 Associate at Skadden Arps Slate Meagher & Flom LLP, New York
1992 Associate at Borel & Barbey
1999 Partner at Borel & Barbey
2011 Managing partner at Borel & Barbey


"Cheque the facts", in Brief- Switzerland update, London (2002)
"Mergers and Acquisitions", International Financial Law Review, London (1997)
"Mergers and Acquisitions", International Financial Law Review, London (1996)
"Legal and regulatory aspects of M&A in Switzerland", The European M&A Handbook 1996-97, UK (1996)
"New Swiss Federal Act on Stock Exchanges and Securities Trading", New York International Chapter News, New York (1995)