Singapore Institute of Advanced Medicine Holdings Ltd. is an investment holding company, which engages in the provision of clinic and other general medical services, sale of pharmaceuticals, surgical and consumables, and manufacture of medical research and clinic diagnostic instruments and supplies. It operates through the following segments: Medical Diagnostics and Treatments, Radiation Therapy and Medical Oncology Services, and Investment Holding. The Medical Diagnostics and Treatments segment includes Cancer-related diagnostics and theranostics treatments, General diagnostics and health screening, and Aesthetic services. The Radiation Therapy and Medical Oncology Services segment refers to Proton beam therapy, Photon radiation therapy, and medical oncology. The company was founded by Shih Kien Djeng on November 24, 2011 and is headquartered in Singapore.