Janne Ruohonen is a Visiting Professor at The Dickson Poon School of Law and Full Professor of Business Law, Director of Master's Program on Auditing (Tampere University, Finland).

His research interest is focused on business law, especially company law and audit law. He is specialised in company directors, municipally owned companies (MOCs) and sustainability reporting of companies (EU).

His doctoral thesis dealt with limited liability company's profit distribution and solvency test. He has also written articles about companies' auditing. He's a member of editorial board of European Company Case Law (ECCL) and Nordic Journal of Company Law (NTS) and a member of Law and Tax Committee of Tampere Chamber of Commerce and Industry.

Research interests 

His research interest is focused on business law, especially company law and audit law. He is specialised in company directors, municipally owned companies (MOCs) and sustainability reporting of companies (EU).

Teaching interests 

• Company law
• Audit law

Selected publications 

The list of the most recent peer reviewed publications in English:

Ruohonen Janne, Salminen Lassi, Vahtera Veikko (2025). Expertise Requirements in the Nomination Process of Board of Directors in Listed Companies. European Company Case Law 1/2025.

Ruohonen, J. & Kullas, H. (2024): The Assurance of Corporate Sustainability Reports and the Renewed Role of Certified Auditors. European Company and Financial Law Review 3-4/2024. 

Review of Company’s Administration – Auditor as a Monitor of the Legality of Business Judgments Ruohonen, J., Rönkkö, J. & Sarajärvi, O., 11 Nov 2024. In: International Company and Commercial Law Review. 35, 11, s. 597-614

Board nominations of MOCs—Does politics come before expertise? Ruohonen, J., 2024, in: Public Money and Management. 44, 7, s. 572-573

Ruohonen Janne, Turtiainen Matti (2023). Exceptional circumstances and ensuring solvency in companies' profit distribution. In: The Company Lawyer. 44, 12, p. 422–432.

Ruohonen, J. et al (2023): The abolishment of the minimum share capital requirement for private limited liability companies in Finland. In: Nordic Journal of Company Law. (Open access). 

Kärki, A., Ruohonen, J. & Vahtera, V. (2021): Creditor protection procedure and dissolution of companies - need for reform? In: Nordisk Tidsskrift for Selkabsret (NTS). 3, p. 19-36.

Ruohonen, Janne - Salminen, Lassi - Vahtera, Veikko (2021): Governance and Steering of MOCs - Legal Perspective. Lex Localis Vol 19 No 03, s. 705-728. Referee. Open access, available at: https://doi.org/10.4335/19.3.705-728 (2021)

Kärki, Anssi – Ruohonen, Janne – Vahtera, Veikko (2021): Modernising creditor protection in limited liability companies - equity and finance. Nordisk tidsskrift for selskabsret.

Ruohonen, Janne (2019): Company Directors' Key Duties and Business Judgment Rule. Teoksessa Kangas, Anni et al (Ed.): Leading Change in a Complex World - Transdisciplinary Perspectives: TUP, 245-258.