Jari Sonninen
Partner
Member of the Finnish Bar

Phone+358 (0)20 7765 397
Fax+358 (0)20 7761 397
jari.sonninen@castren.fi
Assistant: Barbro Fransman

Jari Sonninen's practice areas include mergers and acquisitions and private equity and capital markets, in which he has more than 15 years of experience. Through his two-and-a-half-year experience as chief financial officer of a listed company in Finland, Mr Sonninen has gained valuable knowledge and experience of various M&A transactions in practice. He has advised in major cross-border and domestic M&A transactions as well as counselled international industrial and private equity players in Finland.

Chambers Europe, Chambers Global, Best Lawyers and PLC Which Lawyer rank Jari Sonninen among Finland’s leading legal experts.

Language

Finnish, English, Swedish

Professional Organisations

  • American Bar Association (ABA) Business Law Section
  • International Bar Association (IBA)

Education

  • Master of International and Comparative Law, Southern Methodist University, Dallas, Texas, USA 1987
  • Court training 1986
  • Master of Laws, University of Lapland 1985

Career

  • Castrén & Snellman, Partner 2003-
  • Aldata Solution Oyj, CFO 2000-2002
  • Heikki Haapaniemi, Attorneys-at-law, Partner 1993-2000
  • Heikki Haapaniemi, Attorneys-at-law, Associate Lawyer 1991-1993
  • Aamulehti-yhtymä, Corporate Counsel, 1990-1991
  • Procopé & Hornborg, Associate Lawyer, 1988-1990