Prof., Dr. Ken Hargreaves received his DDS from Georgetown University, his PhD in physiology from the Uniformed Services University of the Health Sciences in Bethesda, MD, and his certificate in Endodontics from the University of Minnesota. Ken spent 5 years at the Pain Clinic of the NIDCR and 7 years as an associate professor of Endodontics and Pharmacology at the University of Minnesota. He joined the University of Texas Health Science Center at San Antonio in 1997, as professor and Chair of the Department of Endodontics and is cross-appointed as professor in the Departments of Pharmacology, Physiology and Surgery. He maintains a private practice limited to endodontics and is a Diplomate of the American Board of Endodontists. Ken has received an NIH MERIT Award for research, two IADR Distinguished Scientist Awards and the Louis I. Grossman Award from the AAE. He has published more than 160 articles and, with Harold Goodis and Frank Tay, co-edited the 2nd edition Seltzer and Bender’s Dental Pulp, and, with Lou Berman, co-edited the 11th edition of Cohen’s Pathways of the Pulp. Ken also serves as editor of the Journal of Endodontics.