Michel is the author of several publications in tax law, including his handbooks “The limits of fiscal control”, “Fiscal sanctioning”, “Introduction to personal taxation”, “Fiscal procedure” and “Fiscal law. Basic concepts” and more than 100 journal articles on taxation.

Meanwhile, Michel also published three books on taxation for the general public, “Onterf de fiscus”, “Iedereen doet het. Tax evasion in Belgium.” Tax me if you can. How to avoid taxes legally”.

Michel also regularly speaks at seminars on tax law and is a much sought-after speaker and columnist for De Tijd, Trends, De Morgen and DeRedactie, among others.
He is recommended as a tax expert in Belgium by Legal 500.