- Tax (pre)litigation & regularisations
- Tax collection (seizure and foreclosure law)
- Fiscal and economic criminal law
- Regularisations

- Master’s degree in Law (KU Leuven, 1999)
- D.E.A. in criminal law and criminal science (Montpellier University I, 2000)
- Graduate in Fiscal Sciences (Fiscale Hogeschool, 2002)
- Holder of the certificate of cassation lawyer in criminal matters

Steven Vancolen was a member of BATL (Belgian Association of Tax Lawyers).

He wrote regularly on tax matters in among others Fiscale Actualiteit (Fisc. Act.), the Tijdschrift voor Fiscaal Recht (T.F.R.), Jubel (KnopsPublishing) and Accountancy & fiscaliteit (Intersentia).

Exemption from real estate tax for "similar charitable institutions” anno 2020 - points of attention for social workplaces - Herwin vzw - 30/01/2020