Kalyan Keo works with the United Nations Development Program, and is a big advocate of youth volunteerism and education. She holds bachelor degrees in Business Administration and Teaching English as a Foreign Language from Institute of Foreign Language. In 2004, Kalyan was selected as one of four Cambodians to join the SIF-ASEAN Students Fellowship in Singapore for 20 weeks.
Besides her strong pursuit in education, Kalyan is also very active in community services and volunteering work. She is one of the founders of the Volunteers Without Borders (VWB), established by the Cambodian Alumni of the Fellowship in Singapore.