David Zaridze was born in Tbilisi, Georgia. He is member of Russian Academy of Medical Sciences and Russian Academy of Natural Sciences. He graduated Medical Institute in Tbilisi, Georgia (MD). He received a PhD from the Institute of Experimental and Clinical Oncology in Moscow in 1969 and DCc in 1977 from the Cancer Research Centre in Moscow. Initially trained as pathologist, he has pursued a second career in epidemiology of chronic diseases. He worked in Oxford University with Professor Richard Doll in 1977-78. From 1979 to 1985 he was affiliated with International Agency for Research on Cancer in Lyon, France, working in the Unit of Analytical Epidemiology. His main interest during that time was the relationship between smoking and cancer, and diet and cancer, and in fact it was during this period that the IACR programme on diet and cancer started to be developed. After returning to Moscow in 1986, he was appointed as Director of the Institute of Carcinogenesis, which is a part of the N. N. Blokhin Russian Cancer Research Centre. Today he is Director of the Department of Epidemiology and Prevention at the Russian Academy of Medical Sciences and he is President of the Russian Cancer Society. David Zaridze was and is still member of several national and international scientific committees, including the European Organization for Cancer Research and the International Agency for Research on Cancer. In December 2011, he received a title of Visiting Professor of Epidemiology of Oxford University. He has authored or co-authored over 200 peer-reviewed publications. Recently he has been appointed as a Deputy Director for Research at his Centre.