Jahheart Cris Rabina holds a Bachelor of Science in Business Administration with a major in Human Resource Management from Saint Joseph College. In 2019, she completed an 18-unit course for a Diploma in Professional Education to prepare for the Licensure Examination for Professional Teachers, which she successfully passed in 2022.

For the past five years, she has chosen not to practice her profession, instead working as a Customer Service Representative, where she discovered a passion for assisting customers. Jahheart is currently an Admin Associate at GUSI Philippines, primarily supporting the HR department and In-Person courses.

In her free time, she enjoys spending quality moments with her family, watching historical Korean dramas, listening to music, and singing karaoke, which provides her with a sense of calm.