Henry Harder is currently studying for an MSc in Psychology at the Johannes Gutenberg University in Mainz, Germany. Before entering academia, he worked for eight years in the pharmaceutical industry, producing active pharmaceutical ingredients such as phenylephrine and pseudoephedrine. Henry completed his BSc in Psychology at the University of Cologne, Germany, with a thesis on potential therapeutic mechanisms of MDMA-assisted psychotherapy for PTSD, based on etiological theories of PTSD. For his MSc, Henry is conducting a qualitative study investigating the experiences of patients in the EPIsoDE study. In addition, Henry is researching approaches to the regulation of psychoactive drugs, with a focus on peer-based, not-for-profit models.