Board of Directors


Jessica has worked as a counsellor/psychotherapist in an institute of higher learning and has more than 15 years of clinical/organisational experience. Jessica won the Gold Award in the “Excellence in Teaching” Convention organised by an Institute of Higher Learning. She achieved the distinction of becoming the first certified Transactional Analyst in Singapore and is currently the Advisor of the Transactional Analysis Association in Singapore.


Dr Si Arn Aaron Leong is an Academic Endocrinologist at the Massachusetts General Hospital, and an Assistant Professor at the Harvard Medical School. He is skilled in Clinical Research, Epidemiology, and Genetics, with a Medical Degree (MD) and Master of Science in Epidemiology from McGill University. His specialty is in Endocrinology, Diabetes and Metabolism and his interest is in the application of complex trait genetics to precision medicine and public health. Aaron’s research focuses on translating genetic discoveries of type 2 diabetes and related traits, to improve patient care and health outcomes. He uses multi-ethnic cohorts and biorepositories-linked with electronic health data to test genetic predictions for drug responses, disease progression, and comorbidities.