[3] A former high school varsity player,[3] Belen shifted to coaching having limited options to continue her playing career as a woman.
She joined coach Eric Altamirano's basketball school to hone her skills before heading to Dubai in the United Arab Emirates where she stayed for four years and worked as a youth coach for the local Filipino community there.
[10] Belen would be the head coach of the Philippines men's national 3x3 team which took part in the 2024 FIBA 3x3 Asia Cup.
[6] She was also part of the organizing team of the basketball tournament of the 2019 Southeast Asian Games in the Philippines.
[12] In 2024, together with former TNT Triple Giga players Chester Saldua, Samboy de Leon and Matt Salem, they founded the basketball league Half Court 3x3.