Josie de Leon -Cunanan discovered her love for singing when she was a high school teen at Angelicum School in Quezon City, Philippines. Her joining the Student Pop Music Festival got her a scholarship from the Center for Pop Music Philippines that made her a professional singer at 16, performing regularly at Heartbeat Piano Bar. A respected member of the OPM, she bested other professional singers and won for herself the coveted Fe S. Panlilio Scholarship Award. While she pursued her nursing degree, she was a regular performer at several five-star hotels such as the Hyatt, Shangri-la, and Manila Garden, to name a few. She wowed audiences at The Hyatt in Hong Kong and Kuala Lumpur.

Now a permanent resident in Canada with son Jomil, Josie does performances in and out of Toronto . She has done performances with Jun Polistico and balladeer Anthony Castelo. Josie was one of the featured artists in the well-attended WOWGK! concert at the Toronto Congress Centre.