1975 Federal Diploma (M.S.) for Pharmaceutical Sciences, University of Bern (UniBE)
1979 PhD for Phytochemistry and Pharmacognosy, UniBE
1979 Assistant Professor for Phytochemistry and Pharmacognosy, Institute of Pharmacy, UniBE
1981 Head Dept. of Phytochemistry and Pharmacognosy, Institute of Pharmacy, UniBE
1987 Visiting Research Scientist University of Mississippi, School of Pharmacy, Research Institute of Pharmaceutical Sciences
1989-95 Consultant/Expert United Nations International Drug Control Programme (UNDCP)
1993 Associated Professor, UniBE
1993-96 Consultant/Expert Swiss Federal Office of Public Health, Div. of Pharmaceuticals and Narcotics
1993- 2014 Member Swiss Guideline Committee for Drugs of Abuse Testing
1994-96 Head Analytical Toxicology Unit, Institute of Pharmaceutical Sciences, UniBE
1997-2014 Head Laboratory for Phytopharmacology, Bioanalytics and Pharmacokinetics, Dept. of Clinical Research, UNIBE
2008-2014 President Swiss Academy of Pharmaceutical Sciences (SAPhS)
2009-2020 Founder and Head Swiss Task Force for Cannabinoids in Medicine (STCM)
2014- Secretary General of SAPhS
2014- Founder and owner of MedCanSult
2014 Prof. Emeritus UniBE
2016-2018 Member of Expert Group «Limited Medical Use of Illegal Narcotics», Swiss Federal Office of Public Health
2018- Editor-in-Chief Journal «Medical Cannabis and Cannabinoids»
2020- Co-Founder, board member and CEO of Swiss Society of Cannabis in Medicine (SSCM)