Before joining Waikiki Health in 2008, Tammy worked as a staff pharmacist at Waianae Professional Pharmacy, Walmart in Pearl City, and also worked as a client service manager at American Financial in Honolulu. She worked at IPC Pharmacy in Honolulu for many years beginning as a pharmacist intern and working her way up to holding a position as a chief pharmacist and staff pharmacist.

Previous to receiving her bachelor’s degree in pharmacy at the Oregon State University, she studied liberal arts at UH Manoa.