Our People

Meet our Executives


Dr. Sasi Suda


A/Prof Andrew Chang

Meet our CEO

Sasi Suda – MD, PhD (USyd)

Dr Sasi Suda is the Chief Executive Officer at GreenLight Clinical.

Dr. Suda is qualified as a medical practitioner in Australia and has extensive experience in the pharmaceutical industry and clinical research as both a researcher and clinical trial professional.

This combined clinical experience and research training has been applied across multiple positions in the pharmaceutical, biotechnology and medical industries in Australia, and Dr Suda has held key executive and clinical management roles at Alcon Laboratories, Novo Nordisk Pharmaceuticals and Avexa Australia.

Over the past 15 years, Dr Suda has served variously as a clinical research specialist in diverse areas including regulatory affairs, protocol development and compliance, site management, clinical operations, and drug safety and pharmacovigilance.

Meet our Chairman

Clinical Associate Professor Andrew Chang – MBBS (Hons), PhD (USyd), FRANZCO, FRACS

A/Prof Andrew Chang is a vitreoretinal ophthalmologist. He graduated from University of Sydney Medical School with honours, underwent registrar training at the Sydney Eye Hospital and fellowship training at Royal Victorian Eye and Ear Hospital and the United States. He was awarded a PhD for research into retinal and choroidal angiography performed in the Universities of California and Sydney.He holds an academic appointment of Clinical Associate Professor at the University of Sydney. At the Sydney Eye Hospital, he is Consultant Vitreoretinal Surgeon and the Head of the Retinal Unit. He is the Medical Director of Sydney Retina Clinic.

A/Prof Chang’s commitment to international ophthalmology includes Scientific Secretary and Committee Member of the Asia-Pacific Vitreoretinal Society (APVRS). He is a clinician advisor to the Department of Health Australia regarding ocular prostheses. Professional awards include the Achievement Award and Distinguished Service Award of the Asia Pacific Academy of Ophthalmology (APAO) and the RANZCO Excellence in Teaching Award.

A/Prof Chang is enthusiastically involved in basic science and clinical trials research receiving research grant funding in Australia and USA. This research has been published extensively in peer-reviewed scientific literature. He serves on the editorial board of peer-reviewed journals and is a section editor of Clinical and Experimental Ophthalmology.

In wider healthcare activities, A/Prof Chang supports new medical drug and devices by engaging in clinical trials development. He is driving strategies aimed at better engagement with the healthcare professional and patient using the latest in cloud, IoT and artificial intelligence.