Afaf El-Ansary graduated from biochemistry department from Ain Shams University, Egypt in 1974. She worked in the National Reserch Centre, Egypt from 1976-2000, Since 2001, she is working in biochemistry department in King Saud University, KSA. She was recognized by the Marquis Who's Who in science and engineering, Eight's edition, 2005-2006. She is member in number of national and international societies and she is recorded as reviewer and editorial board member in many international journals. In recent year she focused on the screening of biochemical markers related to autism and she got almost 100 published papers in high impact factor Journals related to this research interest. She is member in Predictive, Preventive and Personalized Medicine Society (Moscow).