Michael Hendricks started his professional career as a tax inspector. After completing a three-year degree course at the University of Applied Sciences of North Rhine-Westphalia, he qualified as a graduate in tax administration in 1991. He then went on to study law at the University of Münster, from which he graduated in 1996, having financed his legal studies by working for a tax consulting firm.

Upon completion of his academic legal education, Michael Hendricks served as a research assistant at the Institute of Tax Law of the University of Münster for several years. Parallel to this, he completed his Referendariat (two-year practical legal training) between August 1999 and August 2001.

In November 2001, Michael Hendricks joined the Bonn office of Flick Gocke Schaumburg as a lawyer. He became an associate partner in 2008 and has been an equity partner since 2012. From the inception of his law practice, he has specialised in tax litigation and international tax law. Michael Hendricks has extensive litigation experience both before tax courts throughout Germany and before the Federal Tax Court. He also represents clients in tax matters in international mutual agreement or arbitration procedures.

Michael Hendricks completed a PhD on international tax procedural law in 2004 and qualified as a tax consultant in 2006. He has been a lecturer in international and European tax law at the University of Passau since 2007, where he was appointed honorary professor in September 2012.