Adrian was born and raised in Honolulu, Hawaii. He is a proud graduate of Kalani High School and Penn State University. Upon graduation, Tam worked for his family small business as a Realtor working with first-time homebuyers. In 2016, he started working at the Hawaii State Legislature under Speaker Emeritus Calvin Say before working for Senator Stanley Chang. During his career, Tam has sat on a medical cannabis working group as a designated member, worked on many legislative bills revolving housing and youth, and been a part of several organizations such as the Waikiki Lions Club and the Taiwanese American Professionals.