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Hannes Snellman

Work +358 9 228 841
Fax +358 9 177 393
Helsinki, Stockholm

Anna-Maria Tamminen

Work +358 9 2288 4484
Hannes Snellman

Work Department

Dispute Resolution




Anna-Maria specialises in commercial arbitration and litigation, with a special focus on complex international disputes. She currently represents parties in national and international arbitrations, related litigation as well as private enforcement cases.

Anna-Maria is trained in both common and civil law legal systems and is admitted to practice as an attorney both in Finland and the State of New York. Due to her training and work experience in Finland, Austria, United Kingdom, United States and Sweden, Anna-Maria has an in-depth understanding of both common and civil law legal systems.

Anna-Maria has experience in mediating, arbitrating and litigating high-stakes commercial disputes often consisting of multijurisdictional and parallel proceedings in the fields of general commercial law, international sales, post M&A, international investment law, competition law, telecoms and energy under the ICC Rules, SCC Rules, FAI Rules, Vienna Rules, LCIA Rules, DIA Rules, UNCITRAL and PCA Rules. Anna-Maria has additionally advised clients with regard to potential commercial and investment disputes and on the recognition, enforcement and setting aside of arbitral awards in a variety of jurisdictions.

Anna-Maria also acts as arbitrator in both international and domestic disputes. She regularly publishes articles, presents at conferences and lectures on dispute resolution topics.


English, Finnish, French, German, Swedish


Finnish Bar Association, member
New York State Bar, member

International Chamber of Commerce, Commission on Arbitration and ADR, member representing Finland (2014-)
ITA Board of Reporters, country reporter for Finland (2015-)
Journal of International Arbitration, member of the Editorial Board (2015-)
ASA below 40, international Co-Chair (2017-)
London Court of International Arbitration, Young International Arbitration Group, Co-Chair (2013-2017)
Young Arbitration Club Finland, past Chair (2012-2014) and Founding Member
Member of the Finnish Arbitration Association, Swedish Arbitration Association, LCIA European Users’ Council, ICC Young Arbitrators Forum, Young Austrian Arbitration Practitioners, Young Arbitrators Sweden


Skiljemannautbildningen (SAA and SCC training for arbitrators), 2016-2017
FAI Arbitration Academy, 2014

LL.M. in International Business Regulation, Litigation and Arbitration, New York University School of Law, USA 2011 (Fulbright Scholar)
Master of Laws, University of Turku, Finland 2006
Erasmus exchange year, University of Vienna, Austria 2004-2005

Partner, Hannes Snellman Attorneys Ltd, Helsinki and Stockholm 2018-
Managing Associate, Hannes Snellman Attorneys Ltd, Helsinki 2016-2017
Senior Associate, Hannes Snellman Attorneys Ltd, Helsinki, 2011-2015
Foreign Associate, Wilmer Cutler Pickering Hale and Dorr LLP, London, 2006-2010


Dispute resolution

Within: Dispute resolution

The ‚Äėfantastic‚Äô team at Hannes Snellman provides ‚Äėvalue for money‚Äô with ‚Äėstrategic, pragmatic and fast advice‚Äô. The practice represents Lemmink√§inen Corporation in the asphalt cartel damages litigation. Practice head Antti J√§rvinen, alongside Kimmo Heikkinen, successfully defended Sweco in a ‚ā¨15m gross negligence dispute. Anna-Maria Tamminen, who was recently promoted to the partnership, is ‚Äėone to watch‚Äô. Mika Savola left the firm in 2017.

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Dispute resolution

Within: Dispute resolution

Hannes Snellman’s David Ackebo represented Subway Russia in multiple arbitrations against Subway Russia’s former largest franchisee enterprise. Elsewhere, the firm assists Swedish and overseas clients with litigation involving M&A, insurance, energy and transport, among other areas. Joakim Lavér and Anna-Maria Tamminen, who was recently promoted to the partnership, are also recommended. Martin Wallin departed the firm to establish Advokatbyrån Wallin & Partners AB. Managing associate Andreas Johard was a new arrival from MAQS Advokatbyrå in 2018.

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