Mari Mohsen
Mari is an experienced employment law practitioner adeptly navigating a spectrum of employment-related matters, dispute resolution as well as compliance and investigations. She has extensive experience with providing strategic advisory to companies, board members and management on a wide variety of employment-related matters such as corporate restructurings, cooperation procedures, collective bargaining agreements, service and executive employment contract issues as well as termination of employment. She is also an expert in complex questions related to occupational health and safety matters. Her dispute resolution practice covers a wide variety of employment related disputes and criminal matters from dispute avoidance and conflict management to litigation and arbitration. She also serves as arbitrator. Further, Mari supports clients in internal investigations and other workplace-related non-compliance and whistleblowing matters. With a rich professional background that includes e.g. tenure in the Finnish court system Mari is a recognized expert in her field frequently lecturing on diverse facets of employment law. She has also previously acted as a member of the Labour Council and a long-term secretary of the Finnish Employment Law Association.
Avance Attorneys Ltd, Partner 2024–
Roschier, Attorneys Ltd., Senior Associate (2017–2022), Principal Associate (2022–2024)
Roihu Attorneys Ltd, Partner (2016–2017)
Eversheds Attorneys Ltd., Specialist Counsel (2013–2016)
Labour Court, Assistant Judge (2011–2013)
Helsinki Court of Appeals, Assistant Judge (2008–2011, 2013)
District Court of Lappeenranta, Trained on the Bench (2007)
Aalto University, Researcher (2006)
Finnish Arbitration Academy, The Finland Chamber of Commerce, 2016
Master of Laws, University of Helsinki, LL.M., 2006
“Investigations handbook on workplace harassment” (“Häirinnän selvittäjän käsikirja”), author M. Lustig, foreword M. Mohsen
Alma Insights, 2025
“100 questions regarding the legal aspects of medical leave” (“100 kysymystä sairauspoissaolojen juridiikasta”), with A. Saari and S. Heiskala
Alma Insights, 2021
“Special issues in the exequatur procedure of the Helsinki Court of Appeals concerning international family law”
Helsinki Court of Appeals, 2013
“The societal role of the Labour Court in 1947-1974”
Annual publication of the Finnish Labour Law Association, 2007
Member of the Finnish Bar Association
Member of the European Employment Lawyers Association (EELA)
Member of the International Bar Association (IBA)
Secretary of the Finnish Labour Law Association (2017–2022)
Member of the Central Strike Committee of the Association of Finnish Lawyers (2010–2013)
Member of the Board and Influence Committee of the Finnish Association of Judges (2010–2013)
Member and Vice-Chair of the Board of the Finnish Association of Judges (2010–2013)
Secretary of the Finnish Association of Judges (2009–2010)
Mari Mohsen is recognized as a “Next generation partner” in Employment.
“Mari Mohsen and Pauliina Isokangas both stand out for their combination of deep expertise and a client-focused, approachable style that sets them apart from competitors. Mari brings clarity and confidence to complex matters, always taking the time to explain legal issues in a way which is both precise and practical.”
“Mari Mohsen is one of the best employment law practitioners at the partner level in Finland. She understands the whole picture of the situation immediately and has remarkably excellent solutions for problems. She is also reactive to help the client.”
“Mari Mohsen is available and responsive whenever needed. I love the pragmatic approach she has, and that she easily grasps the essence of the case from client perspective. In addition to her exceptional skills also in the field of employment law, she is a genuine and kind person.”
“Mari Mohsen - the best of the best experience and collaboration with her. Quick to react and give her point of view on things with an excellent business-approach mindset and understanding from the real world - aka very practical responses and not the typical attorney jargon only where avoiding giving their point of view/suggestions.”
“Mari Mohsen is the first lawyer who could answer all my questions directly and no need to ask anyone else. She gave me very good advice on how to manage the negotiations and handle people-related issues.”
The Legal 500 2026
“She is the perfect combination of rock-solid expertise and kick-ass litigator.”
“She has a very pragmatic business-oriented approach to legal work, and has always been available as needed, and within the timeline needed.”
“Mari Mohsen has a great reputation and vast knowledge and experience in employment matters, combined with a fantastic business-oriented mindset.”
“Mari has extensive expertise in the field of labour law and also possesses a broad professional network.”
“She is highly committed, responsive and genuinely dedicated to achieving the best possible outcomes for us.”
Chambers Europe 2026
Mari Mohsen is ranked as “Recommended” in Employment & Labor.
Lexology Index 2025
Mari Mohsen is recognised as a “Next generation partner” in Employment.
The Legal 500 2025
“The great thing about her is that she looks at everything from a client and in-house perspective. Her advice is easy to implement and practical, not just theoretical.”
“Mari is always willing and able to provide advice, even in tough situations where there is no clear right answer. She understands complex employment law situations even in a business context.”
“She is a star. Mari Mohsen handled our matter with excellence.”
“Mohsen is experienced in employment law. She works very comprehensively and devotedly. Mohsen’s skills and experience are just brilliant.”
“Mari is one of the best professionals I know and have worked with in Finland within her area of expertise.”
Chambers Europe 2025
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