HOUSTON --University of Texas System regents have officially named a Harvard cancer geneticist as president of UT MD Anderson Cancer Center in Houston. The regents on Thursday announced Dr. Ronald A. DePinho was named president. He had been named sole finalist last month. He begins his duties on Sept. 1. DePinho is the director of the Belfer Institute for Applied Cancer Science at the Dana-Farber Cancer Institute in Boston and professor of medicine at Harvard Medical School. His research focuses on the genetic aspects of cancer. DePinho will succeed Dr. John Mendelsohn, who announced in December that he planned to step down as president. Mendelsohn, who has served as president for the past 15 years, will remain on the faculty as co-director of MD Anderson's new Institute for Personalized Cancer Therapy.