Miisa Happonen

Senior Associate, Helsinki

Contentious Corporate, Insolvency & Corporate Crime, Dispute Resolution

Contact

Miisa Happonen is a Helsinki-based Senior Associate working with Roschier’s Contentious Corporate, Insolvency & Corporate Crime and Dispute Resolution practices. She joined Roschier in 2018, and specializes in arbitration, litigation and corporate investigations.

Miisa has experience on both domestic and international arbitrations conducted under the ICC, SCC and FAI Rules. She has acted as counsel in disputes across several sectors, including energy, technology and telecom, as well as in post-M&A and corporate disputes. Miisa also regularly advises clients on various regulatory, anti-corruption and insolvency-related matters.

Miisa has worked as legal counsel (secondee) at the Finland Arbitration Institute (2021-2022).

Work highlights

Miisa Happonen’s experience includes advising:

  • Aurora Infrastructure Oy on entering into a strategic partnership with Terrafame Ltd by agreeing to acquire high and medium voltage electrical grid assets of the company’s Sotkamo industrial site in a buy and lease-back deal;
  • Finnish nuclear company Fennovoima in six parallel ICC arbitrations against Rosatom group companies arising as a result of the termination of an EPC Contract for the turnkey delivery of the Hanhikivi-1 nuclear power plant, with claims valued at several billion euros.
Career

Roschier (2018-)
Finland Arbitration Institute, Legal Counsel (2021-2022)

Memberships

Member of the Finnish Bar Association
Member of Young Arbitration Club Finland (YACF)
Member of INSOL International

Professional appointments

Member of the Board of the Young Arbitration Club Finland (2026-)

Education

Finnish Arbitration Academy (2021)
University of Helsinki, LL.M. (2018)

Languages

English, Finnish