Ancillary activities:

Adjunct professor: Swinburne University, Centre for Mental Health and Brain Sciences, Melbourne, VIC 3122, Australia

Adjunct professor: Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, D-1307, Dresden, Germany

Founder/president of the Alcohol Hangover Research Group (Ended 1 May 2026)

Consultancy in CNS drug development. Over the past 3 years: has been scientific advisor/consultant for: KNMP, KOMOINVEST, Med Solutions, Mozand, Red Bull, Sen-Jam Pharmaceutical, and Toast!. (Ended 1 May 2026)

In connection with the position:

Editorial Board Member of scientific journals: Sleep & Vigilance, Letters in Food Research, and Journal of Clinical Medicine. (Ended 1 May 2026)

Member of the Bèta-Geo Ethics Committee (Utrecht University) (Ended 1 May 2026)