Kenneth Lyen is a Singaporean pediatrician, visiting consultant pediatric endocrinologist and a visiting tutor in developmental pediatrics. Lyen is also part of the management board for the Rainbow Centre which manages two of the schools he founded which were built for children with disabilities and autism spectrum disorder. He also received the Public Service Medal for his community services. He has published 22 original research papers, co-authored 13 books and written 22 musicals which were staged in Singapore.