Jean Blaise Roggen

Jean-Blaise Roggen

Senior Counsel
Baker & McKenzie Geneva
Not admitted to practice law in this jurisdiction


Jean-Blaise Roggen is senior counsel in the Firm’s Global Tax Practice Group in Geneva. Prior to joining Baker McKenzie, Jean-Blaise started his career at the Swiss Federal Finance Department, Division for International Fiscal Affairs before joining the tax departments of major multinational companies, including Merck Serono, as Senior Tax Director, and Colgate Palmolive Europe, as Senior Tax Manager for EMEA and South Pacific.

Most recently, Jean-Blaise was Senior Tax Counsel at an independent financial and business advisory firm providing tax advice. Jean-Blaise also serves as a court judge in the Canton of Vaud.

Practice Focus

Jean-Blaise has more than 20 years of experience in the tax, transfer pricing and VAT fields. He has significant experience in international and domestic corporate tax planning, management and compliance, transfer pricing, Swiss and international VAT, corporate finance and tax accounting.

His practice focuses on global supply chain, manufacturing, post-merger restructuring and integration, as well as R&D and intangibles tax management. With his past in-house experience, Jean-Blaise has a keen interest in following recent developments and trends in the health care, pharmaceutical, technology and consumer goods industries.


  • University of Leicester (MSc in Finance) (2007)
  • University of Exeter (LLM in International Business Legal Studies) (1997)
  • University of Geneva (MA in Mediaeval History) (1997)
  • University of Lausanne (Law Degree) (1992)


  • English
  • French
  • German
  • Italian
  • Author, “Le nouveau modèle de Convention fiscale de l’OCDE concernant le revenu et la fortune” (The new OECD Model Tax Convention on income and wealth). Article published in « La Revue Fiscale » No 11 (Nov. 1994), p. 517ss and No 12 (Dec. 1994), p. 566ss.

  • Author, “Les aspects fiscaux des prix de transfert pratiqués au sein des entreprises multinationales » (The Swiss fiscal aspects of transfer pricing within multinational firms). Article published in « La Revue Fiscale » No 11 (Nov. 1995), p. 532ss.

  • Author, “Les mesures d’incitation fiscale sur les investissements en matière de recherche et de développement ; le Québec peut-il constituer un exemple pour la Suisse ? » (Tax incentives in favour of Research & Development, can the Quebec regulations be an example for Switzerland ?) Article published in « La Revue Fiscale » No 5 (May 2000), p. 322ss.