Filip Debelva

Of Counsel, Tax Advisory | Where legal meets business

Who I Am

I’m Of Counsel in the Indirect Tax practice at Deloitte Legal in Zaventem, Belgium, and professor at KU Leuven. I combine academic insight, policy advisory and hands-on practice to help clients navigate complex real estate, cross-border and EU tax matters.

What I Do

  • Advise clients on indirect tax, real estate taxation and cross-border taxation
  • Support investment arbitration and tax-related dispute resolution
  • Guide policymakers on national, EU and international tax legislation
  • Conduct applied research and provide thought leadership in EU and international tax law

Who I Work With

  • Corporates and investors with cross-border operations
  • Public institutions and policymakers
  • Deloitte colleagues across tax, legal, and real estate practices
  • Academic and professional networks in EU and international taxation

My Approach

  • Combine rigorous academic knowledge with practical, real-world experience
  • Focus on actionable solutions at the intersection of tax law, fundamental rights and international investment law
  • Translate complex national, EU and cross-border tax rules into clear advice for clients

Credentials & Leadership

  • Head of KU Leuven Tax Law Institute and holder of the Deloitte Legal Chair in International & EU Tax Law
  • Programme Director, LL.M in Tax Law at KU Leuven
  • Member of EATLP, IFA (former national reporter for Belgium), EUCOTAX, IBFD OPTR
  • Member of editorial boards: A.F.T., CFLE; scientific collaborator for T.F.R. and several national and international journals
  • Professor at KU Leuven, visiting professor at the Belgian Royal Military Academy, Eötvös Loránd University, UCLouvain, and Fiscale Hogeschool

Recognition

  • Two-time T.F.R. Award recipient
  • Biennial Award, Belgian Branch of IFA
  • Honourable Mentions: IFA Mitchel B. Carroll Award, EATLP
  • Winner, International & European Tax Moot Court Competition
  • Shortlisted, IBFD Frans Vanistendael Award

Why Deloitte Legal

I leverage Deloitte Legal’s global network and integrated expertise to deliver practical, cross-border tax solutions. Combining academic insight, policy advisory and hands-on experience, I help clients navigate complex international and EU tax challenges with confidence.