Dr. Kelner received his MD from the University of Minnesota in 1981. He completed a rotating internship at UCSF and matriculated into the Straight Laboratory Medicine (Clinical Pathology) residency at UCSD in 1982. He served as Chief Resident in Clinical Pathology from 1984-85, and was awarded the David Jay Epstein Memorial Award for Research Excellence by a Pathology Resident in 1985. He was also honored with Young Investigator Awards from the Academy of Clinical Laboratory Physicians and Scientists for three consecutive years. He was board certified in 1985 in both Clinical and Chemical Pathology.
Dr. Kelner joined the faculty of UC San Diego as an Assistant Professor of Pathology in Residence in 1985, and was appointed to Assistant Professor of Pathology in 1988. He was then promoted to Associate Professor in 1991 and to Professor of Pathology in 1997. Dr. Kelner is a highly productive publisher and contributor in research and teaching. As Director of the General Chemistry Laboratory at UCSD Medical Center, Associate Director of Toxicology, and participant on the Medical Directors Committee for the UC San Diego Medical Center, Dr. Kelner maintains a high level of University service.