![](images/speakers/Justice-Tettey.jpg)
Justice TETTEY - PhD
United Nations Office on Drugs and Crime (UNODC), Drugs, Laboratory and Scientific Services Branch, Austria.
![](images/speakers/Nikolas-Lemos.jpg)
Nikolas LEMOS - PhD
Queen Mary University of London, UK.
University of California, USA.
![](images/speakers/Volker-Auwarter.jpg)
Volker AUWARTER - PhD
University of Freiburg Medical Center, Forensic Toxicology Department, Germany.
![](images/speakers/Marc-Deveaux.jpg)
Marc DEVEAUX - PhD
Forensic Toxicologist. France.
![](images/speakers/Thomas-Keller.jpg)
Thomas KELLER - PhD
University of Salzburg, Division of Forensic Medicine, Austria.
![](images/speakers/Mohammad-Hossein-Rasoulifard.jpg)
Mohammad Hossein RASOULIFARD
Department of Chemistry, Faculty of Sciences, University of Zanjan Iran
![](images/speakers/Jose-Restolho.jpg)
Jose RESTOLHO
President of The European Workplace Drug Testing Society (EWDTS)
Eurofins Forensic Services, Portugal