Dr. Pasang Yonten Arya (Menrampa) is an internationally renowned senior prationer, scholar, and teacher of Sowa Rigpa. He trained at Men-Tsee-Khang in Dharamsala, where he graduated first of his class in 1977 and served as assistant pharmacist, professor, and college principal until 1989. After lecturing at the Central Institute for Buddhist Studies (Ladakh, 1989-1991), he moved to Europe, where he acted as guest professor in Tibetan medicine for DAGfA(the German Medical Association for Acupuncture) for more than two decades.He co-founded and directs the New Yuthok Institute (Italy) as well as TME - Tibetan Medicine Education Center (Switzerland), through which he has instructed hundreds of students on clinical, yogic, and tantric knowledge and practices that balance the body-mind.

Dr. Jan M. A. van der Valk is a scholar-practitioner trained in the fields of biology (University of Leuven), ethnobotany and anthropology (University of Kent), and Tibetan studies (Rangjung Yeshe Institute, Kathmandu University). For his PhD dissertation in anthropology (2017) and as a postdoctoral researcher (University of Vienna), he has mainly focused on how natural ingredients are transformed into potent Sowa Rigpa medicines. Van der Valk has been learning Tibetan medicine under Dr. Pasang Yonten Arya since 2012, started his own herbal dispensary in Belgium in 2017, and is the editor in chief of Bedurya Publications.