Dr. Mazidah Mohamad Zain is a distinguished Consultant Physician and Endocrinologist with decades of international experience, specializing in complex endocrine and metabolic disorders. Her extensive postgraduate training in the UK, including roles at the Royal Infirmary and University of Aberdeen, combined with her academic tenure at Universiti Kebangsaan Malaysia, provides a research-informed approach to patient care. At Subang Jaya Medical Centre (SJMC) since 1993, she excels in managing parathyroid diseases, adrenal disorders, osteoporosis, and a wide range of thyroid conditions, including hyperthyroidism, hypothyroidism, and goiter. Her commitment to advancing diabetes and endocrinology is evident through her active memberships in prestigious global organizations.