Dr Vivien Lim is an endocrinologist practicing at Gleneagles Hospital, Singapore. She is experienced in the treatment and management of diabetes, obesity, thyroid disorders, osteoporosis, adrenal and pituitary disorders, as well as imbalanced male and female hormones. After gaining her membership of the Royal Colleges of Physicians (UK) and her Masters in internal medicine in Singapore, Dr Lim completed her training in Singapore and was accredited as a specialist in endocrinology. Subsequently, she was awarded the Health Manpower Development Plan scholarship by the Ministry of Health to gain experience in treating complex cases of endocrinology in the Mayo Clinic, Rochester, Minnesota, USA.

She has been active in the national and international endocrine podium and have served in varous leadership positions over the years:
- President of the ASEAN Federation of Endocrine Societies
- President of the Endocrine Metabolic Society of Singapore
- Executive committee member of the Endocrine Metabolic Society of Singapore
- Executive committee member of the International Society of Endocrinology
- Executive committee member of the Osteoporosis Society Singapore

Dr Lim has a passion for teaching and has been invited to give many talks both nationally and internationally in varous endocrine meetings on a wide variety of topics to both healthcare professionals and the public. She served on various education boards including the International Society of Endocrinology and on editorial boards. She was involved in the organization of several regional endocrine conferences in Singapore, and was the Chairperson of the combined conference of the International Congress of Endocrinology, the Asean Federation of Endocrine Societies and the Asia-Oceania Congress of Endocrinology held in Aug 2022 by Singapore.

Dr Lim’s other passion is for humanitarian causes and is an associate member of Doctors Without Borders (Medicins Sans Frontieres) in Singapore. She had been active in past medical missions to places such as Kenya, during the Tsunami in 2005 in Sri Lanka and during Typhoon Haiyan and the Bohol earthquake in 2013 in the Philippines. She was awarded the Healthcare Humanity Award in 2014, honouring healthcare workers who are inspirational role models exemplifying the values of courage, extraordinary dedication, selflessness, steadfastness in ethics, compassion and humanity in going the extra mile to offer care and comfort to the sick and infirm.