Dr. Reginald Ho is a PHRI Investigator and practicing medical oncologist at the Straub Clinic and Hospital in Honolulu. He attended the St. Louis University School of Medicine and trained in Hematology and Oncology at The Barnes Hospital of the Washington University School of Medicine. He returned to Honolulu and established the Department of Hematology and Oncology at the Straub Clinic and Hospital in 1963 and joined the clinical faculty of the John A. Burns School of Medicine of the University of Hawaii in 1967, where he holds the rank of Clinical Professor of Medicine. He has been associated with the Cancer Research Center of Hawaii since its founding in 1972 as Clinical Science Adjunct Professor. His research interests are in cancer treatment clinical trials.

Dr. Ho served on the Hawaii-Pacific Division at the ACS National Board of Directors and was elected national President of the American Cancer Society in 1992. He is also the Clinical Director of the Asian American Network for Cancer Awareness, Research, and Training (AANCART), funded by the National Cancer Institute and is Principal Investigator of the AANCART site in Hawaii.