Manuel Guzmán is Professor of Biochemistry and Molecular Biology at Complutense University of Madrid and member of the Spanish Royal Academy of Pharmacy. He has served as President of the International Association for Cannabinoid Medicines (IACM) and the Spanish Society for Cannabinoid Research (SEIC).

During the last 25+ years his research has been mostly focused on the study of the mechanism of cannabinoid action. This work has allowed characterizing new effects and signaling pathways evoked by cannabinoid receptors, as well as suggesting new physiopathological implications derived from them, especially in the fields of oncology and neurology. He has published 210+ scientific articles, as well as 6 patents on the potential therapeutic applications of cannabinoids as antitumoral and neuroprotective drugs. He has supervised 25 PhD theses.