Dr. Siti Maisarah Mohd Nasir is a distinguished Nuclear Medicine Physician with expertise in utilizing radioactive substances for diagnostic imaging and therapeutic purposes, particularly in oncology. A Fellow of the Asian Nuclear Medicine Board (FANMB) and Assistant Secretary of the Malaysian Society of Nuclear Medicine and Imaging, she was honored with the "Anugerah Perkhidmatan Cemerlang" (Excellent Service Award) in 2022. Her practice focuses on precise disease detection and treatment, offering advanced nuclear medicine solutions.