Dr. Abdul Samad Khan is currently working as Associate Professor Dental Biomaterial at Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University(Formerly, University of Dammam) and also affiliated with Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology. Dr. Khan did BDS in 1999 from Pakistan, in 2005 did MSc. Dental Materials from Queen Mary University of London (QMUL), UK and completed PhD in 2009 from QMUL, UK. During this time, he also worked as Research Assistant with Doxa AB, Sweden.Later in 2013-14 did Postdoctoral Associateship from University of Sheffield, UK. Dr. Khan achieved research grants from International and National organizations. His area of expertise is synthesis and characterization of bioceramics and bioactive composites. He regularly published papers on Apatites, substituted apatites and their characterizations.