Justin graduated from the University of Hawai'i at Hilo with a degree in psychology and a minor in political science. Later he graduated from Gonzaga University School of Law in Spokane, Washington.

As a licensed attorney Justin worked as an associate at a small law firm in Hilo, Hawaii where he focused primarily in criminal defense. During this time Justin filed legal briefs for several criminal and family law appellate cases. He also appeared and argued for his client in The Supreme Court of Hawaii.

Justin subsequently moved to the Honolulu Prosecutor's office to serve as a deputy prosecutor. He gained valuable trial experience, as well as strategies and techniques negotiating settlements.

Beneath Justin's calm demeanor is an attorney who fights and advocates for the rights and interests of his clients.