Born in Oakland, Louie was raised in Los Angeles by his father Paul and mother Emma.

His father, Presbyterian minister and Seattle-native Paul Louie, was one of three founders of the Chinese Historical Society of Southern California[2] and a member of the Los Angeles Human Relations Commission.

From 1999 to 2006, Louie also served as Director and Chairman of the Aloha Tower Development Corporation (ATDC), a state agency charged with developing the land around the Aloha Tower to benefit the state's commercial trade industry based at Honolulu harbor while at the same time providing the residents of Hawaii with ample access to the downtown waterfront.

After serving a four-year term under Governor Neil Abercrombie, Louie returned to private practice as a partner at the law firm of Kobayashi Sugita & Goda, LLP, where he handles matters relating to commercial litigation, construction litigation, complex personal injury defense matters, government relations and lobbying.

He is a member of the National Asian Pacific American Bar Association, and received a Daniel K. Inouye Trailblazer Award from NAPABA in 2015.

[13] Lobbying topics include Government Operation and Finance, Hawaiian Affairs, Planning and Land Use Management, Science, Technology and Economic Development, Labor and Employment, Housing, Communications and Public Utilities, Consumer Protection and Commerce, Tourism & Recreation, Technology, and Other including "Transient Accommodations".