Management & Executive Research Staff

Clinical Associate Professor Andrew Chang

Andrew Chang Headshot 2015Andrew Chang is a vitreoretinal subspecialist ophthalmologist. He graduated from the University of Sydney Medical School with Honours, underwent registrar training at the Sydney Eye Hospital, Royal Victorian Eye and Ear Hospital, Manhattan Eye Ear and Throat Hospital, and the University of California at Davis. He was awarded Doctor of Philosophy for research into ocular retinal angiography, performed in the USA and at the Save Sight Institute, University of Sydney.

Current appointments include Consultant Vitreoretinal Surgeon and Head of the Retinal Unit at the Sydney Eye Hospital. He holds an academic appointment of Clinical Associate Professor at the University of Sydney and he is the medical director of Sydney Retina Clinic. His service to international ophthalmology includes Scientific Secretary and founding committee member of the Asia-Pacific Vitreoretinal Society, formed in 2006. He is the Chair of the NSW RANZCO committee and serves on the RANZCO Council. Professional awards include the Achievement Award and Distinguished Service Award of the Asia Pacific Academy of Ophthalmology and the RANZCO Excellence in Teaching Award.

Dr Chang is involved in basic science and clinical trials research receiving research grant funding in Australia and the USA. He has authored many peer-reviewed scientific papers in international and Australian journals and book chapters in leading textbooks.

Sasi Suda MD, PhD (Syd)

sasi-imageDr Sasi Suda is a Chief Executive Officer at GreenLight Clinical, the Asia-Pacific region CRO with headquarters in Sydney, Australia. Dr Suda is qualified as a medical practitioner in Australia and has extensive experience in the pharmaceutical industry and in medical research. Her 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.

Lesley Werth


Lesley Werth is the Clinical Operations Director at GreenLight Clinical. She is an experienced clinical research professional with a notable track record of significant positions at a number of leading international pharmaceutical companies. In addition to a background in Radiotherapy, Lesley has completed a Masters of Business Administration graduate degree (University of Wales, UK) and has worked on a significant number of investigator-initiated and commercially sponsored global clinical studies. Her expertise ranges across clinical research monitoring, project management, quality assurance, clinical training, therapeutic area management and clinical operations. She has acted as a regional operational head for South East Asia, Australia and New Zealand, and as an Associate Director she pioneered advanced strategies and innovative tools for patient recruitment and retention. Lesley has successfully led a number of teams and has broad experience across many therapeutic areas and has significant expertise in the international regulatory environment.

Geoffrey Broadhead MBBS (Hons), PhD (Syd), MPH (UNSW)

Geoffrey Broadhead is Medical Monitor at GreenLight Clinical, providing pharmacovigilance and clinical trials support. He has extensive experience in clinical practice and trials coordination combined with a foundation in academic research, and matched with a distinguished record of peer-reviewed publications. His medical training, together with the completion of Honours and doctoral research programs, was undertaken at the University of Sydney and he has also gained a Masters of Public Health from the University of New South Wales. Dr Broadhead has held several positions as a Medical Officer and Ophthalmic Registrar at leading healthcare facilities and has had an active role in educating trainee doctors as a Clinical Associate Lecturer at the University of Sydney. With his doctoral studies comprising a series of clinical trials, he has been both a primary and assistant trials coordinator, participating in industry-sponsored, multinational ophthalmological studies. As a lead investigator he has also conducted various observational studies and case series into age-related macular degeneration (AMD) and other retinal disorders.

Pauline Bramwell

Pauline Bramwell is Senior Biostatistician with 20 years of experience in clinical research data management and analysis. She has worked with leading contract research organisations and pharmaceutical companies in the UK, planning, analysing and reporting on Preclinical and Phase I-IV studies, and acting as project manager on a number of interdisciplinary projects. During this period, Pauline contributed to the development and updating of European Standard Procedures. In Australia, Pauline has held Biostatistical and Data Management positions at ClinTrials Research, GlaxoSmithKline and CSL Limited. As a Senior Clinical Data Manager she was responsible for implementation of a dedicated EDC system, overseeing the development and utilisation of electronic Clinical Research Forms and acting as the technical leader on all aspects of project data management from start-up to close-out. Her further expertise includes clinical trial design, results interpretation, and project management of clinical studies.

Natasha Shackell

Natasha Shackell is the Clinical Data Management Director at GreenLight Clinical, overseeing the collection and management of data across all studies, and the development and application of systems solutions. She has been involved in the pharmaceuticals and contract research industries for 20 years, and has expert knowledge of Electronic Data Capture (EDC), industry standards and process improvement. Natasha has held senior roles with a CRO in the UK and has worked with the clinical research department of Astra Zeneca in Australia. More recently, she has been Principal Consultant with Oracle Health Sciences for Asia-Pacific, having worked across a number of functions including project management, training, study design and solutions consulting.

Rebecca Currie

Rebecca Currie is a Medical Writer, responsible for researching and drafting clinical study-related documents, including protocols, regulatory submissions and manuscripts for publication. She has broad-based experience in medical communications working with major pharmaceutical and biotechnology companies on clinician education and training initiatives, patient and healthcare information, and advertising and marketing resources. Rebecca has also had a lengthy involvement in pharma-business publishing and research reporting, having been the Biotechnology Editor at Pharmaprojects (now Citeline) and contributing to Nature Medicine and other high-profile publications as a freelance writer. She has written and published clinical trial papers for peer-review for a leading Australian specialist pain practice and has a background in academic research and public relations within the higher education sector.