Martin teaches Public Law, Legal Theory and Comparative Law at the University of Applied, Sciences Darmstadt and is member of the research group “Society for Institutional Analysis - sofia”.
From 2008 to 2015 he has been a member of the Management Board for the European Chemicals Agency (ECHA). His publications cover a wide range of (European) environmental law, including a handbook on REACH.
From 1984 to 1993 he was a researcher at the Institute for Applied Ecology (Öko-Institut e.V.). 1990 cofounder of the “environmental law network international”.