Jessalyn Mailoa was born and raised in Jakarta, Indonesia. She moved to the United States in 2017 and earned a Bachelor of Fine Arts in Glass and Graphic Design, and studied psychology at the University of Wisconsin–Madison. After graduating, she spent several years working at glass studios in Norfolk, Virginia, and Kansas City, Missouri, where she taught public glassblowing classes and produced glasswares. She is currently in her first year of pursuing a Master of Fine Arts degree in glass.