University of ReginaCanada
University of Modena and Reggio EmiliaItaly
Founder and Principal at Pharmaceutical ConsultingU.S.A
Houston Community CollegeU.S.A
Nueva Granada Military University Colombia
CCC Center for Professional StudiesSpain
IES LITORALSpain
Catholic University of BrasíliaBrazil
Czech University of Life Sciences Czech Republic
Humboldt University of Berlin Germany
University of BaselSwitzerland
University of LasiRomania
University of LasiRomania