In 2020, Choy was appointed to serve as director of the state Department of Taxation.
[3] Choy earned his BS in business administration from San Jose State University.
In 2017 Isaac Choy submitted legislation in the Hawaiʻi House of Representatives to make Flavobacterium akiainvivens the state microbe.
[11] This continues an effort started by James Tokioka in 2013,[12] and later contested in 2014 by Senator Glenn Wakai's SB3124 bill proposing Aliivibrio fischeri instead.
[13] As of December 2017[update], Hawaiʻi has no official state microbe.