An expert analytic chemist and leading authority in the field of medical cannabis research at Hebrew University of Jerusalem.

Scientific board member in the International cannabis and cannabinoids institute, Prague, Czech Republic.

Steering Committee member & Senior Fellow in the Jefferson Institute of Emerging Health Professions, Thomas Jefferson University, Philadelphia, Pennsylvania, U.S.A.

Editorial Board Member in the Adiktologie journal.

Board member in KOPAC – Patients' association for treatment with cannabis (pacientský spolek pro léčbu konopím - člen správní rady).

Editorial Board Member in the Medical Cannabis and Cannabinoids journal.