Randy Misael Sebastian Dellosa, known as Doc Randy is a Filipino psychologist and who has training in psychiatry. He is life coach-psychotherapist of Filipino celebrities and was the resident psychologist in the Pinoy Big Brother, The Biggest Loser Pinoy Edition, Pinoy Dream Academy, Pinoy Fear Factor, and I Do (Philippine reality show) reality TV shows of ABS-CBN Network as well as game shows such as Deal or No Deal. He is also a frequent resource person on psychological topics in the news programs and documentary shows of GMA Network, TV5 (Philippines), and other networks. He is the first and so far the only Filipino who has training in psychiatry (M.D.), a doctor of clinical psychology (Psy.D.), and an osteopath (DO-MTP).