WIth her husband, Jesse Dorsey, Wannasiri "Boy" Kongman co-founded bag brand BOYY in 2006. With its signature big buckle, their first collection was sold at Colette and carried by such fashion icons as Chloe Sevigny and Sarah Jessica Parker, with their Slash bag putting them on the international fashion map. BOYY currently has five locations throughout Bangkok, Thailand, and a flagship in Milan. In 2023, the Milan flagship was reopened with a fresh design by Danish artist FOS (also known as Thomas Poulsen).