CONFERENCES - Chairman of the Organization Committee
2015 Marrakech Symposium International sous le thème« Règne Végétal : Source de médicaments, nutraceutiques et cosmétiques».
2012 China IOCD International Conference on Functional Molecules in Nature, Nanjing
2011 South-Africa African Plants as sources of drugs, agrochemicals, cosmetics and food supplements. University of the Western Cape
2009 Chile Biology, Chemistry, Pharmacology and Industrial Applications of Plants of the Americas. Viña del Mar
2008 Botswana Natural Products: Unlimited Resources for the Development of Drugs, Cosmetics and Food. Kasane A joint symposium of IOCD and the International Society for the Development of Natural Products (ISDNP)
2007 Indonesia Biology, Chemistry, Pharmacology and Clinical Studies of Asian Plants. Surabaya
2004 Brazil Chemistry, Biological and Pharmacological Properties of Medicinal Plants in the Americas. Pedro Co-sponsored by IOCD and the Programa beroameicano para la Ciencia y Tecnología para el Desarrollo (CYTED)
2002 Mali Chemistry and Pharmacology of Plants Used in African Traditional Medicine. Bamako
2000 Thailand Chemistry and Pharmacology of Asian Plants and Validation of Phytopharmaceuticals. Bangkok
Held as a Satellite Meeting to the Princess Chulabhorn Science Congress
1999 Ethiopia Chemistry, Biological and Pharmacological Properties of African Medicinal Plants. Addis Ababa
1997 Panama Chemistry, Biological and Pharmacological Properties of Medicinal Plants from the Americas. Co-sponsored by IOCD and the Programa Iberoameicano para la Ciencia y Tecnología para el Desarrollo (CYTED).
1996 Zimbabwe Chemistry, Biological, and Pharmacological Properties African Medicinal Plants. Victoria Falls