He studied at the University of British Columbia in Vancouver, Canada when he decided to pursue a career in professional basketball in Croatia, country of his mother's origin.
In May 2019, he scored the decisive points in the last moments of the 4th game of the final series of the 2018–19 Croatian League, taking the title for Cibona.
[4] In December, 2020, unsatisfied with his status in Zadar, Gilbert moved to Heroes Den Bosch of the Dutch Basketball League.
[5] Gilbert played for Heroes Den Bosch until June 2021, when he moved to the French ADA Blois.
[6] After playing only four games in the LNB Pro B, in August, 2021, Gilbert moved back to Croatia, signing with Alkar.