​Dr Cai Jiashen graduated with Doctor of Medicine (MD) from Duke-NUS Medical School in 2017. He obtained Membership of Royal College of Physicians (MRCP) (United Kingdom) and Masters in Internal Medicine (MMed (IM) Singapore) in 2021. He subsequently completed his Senior Residency Training at SingHealth and was conferred Specialist Accreditation in Renal Medicine by the Ministry of Health, Singapore in 2025.