Mr Sten Olsson > Hannes Snellman > Helsinki, Finland > Lawyer Profile

Hannes Snellman
PO BOX 333
00130/00131 HELSINKI

Work Department

M&A, Private Equity




Sten Olsson is Head of the firm’s M&A Group. He is recognised as one of the leaders in mergers and acquisitions in Finland and has been involved in some of the most significant transactions in Finland and Sweden.

Dual-qualified as a Finnish and New York attorney, Sten practiced for several years at international law firm Debevoise & Plimpton’s LLP’s New York and London offices and was admitted to the New York State Bar in 2001. Prior to that, he worked at Mannheimer Swartling’s private equity department in Stockholm. Sten has also worked with financial and legal matters at the European Investment Fund’s venture capital and buyout division in Luxembourg.

Sten serves on boards of various companies and non-profit organizations.


English, Finnish, Swedish


Member of the Finnish Bar Association
Member of the New York State Bar


European Investment Fund, Luxembourg, 2004-2006
Debevoise & Plimpton, New York and London, 2001-2004
Mannheimer Swartling, Stockholm, 1999-2000
LLM, UC Berkeley and New York University, 2000 (Fulbright Scholarship)
Master of Laws, Helsinki University, 1999
Member of the New York Bar and Finnish Bar Association

Lawyer Rankings

Finland > Commercial, corporate and M&A

(Leading individuals)

Sten OlssonHannes Snellman

Sten Olsson heads up the practice at Hannes Snellman, which handles a range of high-value and cross-border transactions including public takeovers, which is a key area of expertise for Johan Aalto. Mikko Heinonen has extensive experience advising on corporate governance issues and mandates in the technology sector, while senior associate Annika Schaumann has noteworthy expertise in venture capital transactions.

Comparative Guides

Finland: Private Equity January 2021 This country-specific Q&A provides an overview to Private Equity laws and regulations that may occur in Finland.