Dr. Phark graduated from the Humboldt University Dental School in Berlin Germany, where he received his doctorate degree. He was assistant professor in the Department of Operative, Endodontic, and Preventive Dentistry in the same university and workedin private practice in Berlin, Germany. He was co-director of the Dental Materials Characterization Laboratory, Institute for Advanced Materials at Case Western Reserve University and faculty member in the Department of Comprehensive Care at Case Western Reserve University School of Dental Medicine in Cleveland, Ohio, USA. Currently. Dr. Phark is an assistant professor in the Division of Restorative Sciences at the Herman Ostrow School of Dentistry of University of Southern California, where he is also the Director of the Dental Biomaterials Research Laboratory. He is associate editor of Quintessence of Dental Technology. Dr. Phark has served on the editorial boards of several journals, and has lectured and published nationally and internationally. He is author of several journal articles and book chapters. Dr Phark’s main interest is in the field of biomaterials, especially on ceramics, composites, and bonding to dental structures. Recently, he had won the IADR Arthur Frechette Award in Prosthodontics.