Dr Rainier is a certified internal medicine fellow of Philippine College of Physicians. His experience includes serving as a resident physician at Johns Hopkins Singapore Medical Oncology Department and Tan Tock Seng Hospital.
His achievements include the Tanging Banggit Award, the FOCAL Award as one of the Five Most Outstanding Campus Leaders, and Most Outstanding Medical Intern during his postgraduate internship and Internal Medicine Residency training at Ospital ng Maynila Medical Center. He served as Vice President for External Affairs at the University of the Philippines and President of the Brotherhood of Medical Scholars in PLM College of Medicine.
As a research grantee of the Philippine College of Physicians – Manila Chapter, Dr Rainierâ€™s findings were published and presented by different medical societies, most notably the British Medical Journal Forum in Quality and Safety in Healthcare in Hong Kong. He is also the former President of the Brotherhood of Medical Scholars (BMS) in PLM College of Medicine.
- Bachelor of Science in Biochemistry, University of the Philippines, the Philippines
- Doctor of Medicine, Pamantasan ng Lungsod ng Maynila, the Philippines