• Specialist researcher at the Agricultural Research Council, Infruitec-Nietvoorbij, Stellenbosch
• Extraordinary professor at the Food Science Department, Stellenbosch University
• Research focus: Processing, composition, bioavailability and antioxidants of Rooibos and other herbal teas
• Contact details
• Tel: +27+21 809-3444.
• Fax:+27+21 809-3430
• Email: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

Professor Jeanine Marnewick

• Manager: Oxidative Stress Research Centre
• Faculty of Health and Wellness  Sciences; Cape Peninsula University of Technology
• Research focus: Disease prevention, Rooibos, Honeybush, Indigenous herbal medicines, Oxidative stress–related diseases, Clinical Interventions studies, Antioxidant testing,
• Contact details:
• Tel: +27+21 953 8416
• Fax:+27+21 953 8490
• Email: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

Professor Wentzel (Blom) Gelderblom

• Chief Specialist Scientist 
• Programme on Mycotoxins and Experimental Carcinogenesis (PROMEC) Unit
• Medical Research Council
• Extraordinary Professor at the Biochemistry Department, Stellenbosch University
• Research focus: Carcinogenesis, Toxicology, Drug metabolism.
• Contact details
• Tel: +27+21 938-0286
• Fax:+27+21 938-0260
• Email: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it