Our Research team operates out of our Chatswood office, while also collecting data at the Mater and RPA hospitals. Working across the organisation, our researchers regularly collaborate with other community service agencies, universities, research institutes and government agencies to complete research studies.

Research Team


Aaron Beach B.App.Sc (Ex & Sp Sci)

Senior Research Assistant/Coordinator

Aaron joined the SORI team in February 2015. He works as as a research assistant, overseeing motion capture data collection and biomechanical analysis. Aaron’s major projects have involved investigating the effects of total knee replacements on gait. He currently also conducts the ACL Return to Sport screening protocol.

Aaron has completed a Bachelor of Applied Science (Exercise and Sport Science) at the University of Sydney in 2010, and was awarded a PhD in Sports Biomechanics from the University of Sydney in 2016.

Darli Myat

Darli Myat

Senior Research Assistant/Coordinator

Darli joined SORI research team in March 2017 and is working as a research assistant. Darli is responsible for collecting data, managing and auditing database for research projects. Darli completed a Bachelor of Engineering at University of New South Wales (UNSW) in 2009. She was awarded her PhD at Victoria University in 2014.

Prior to joining SORI, she worked in clinical research/administration environment, supporting different health-related research projects by assisting in preparation of ethics applications, collecting data and analysing data in both quantitatively and qualitatively.


Gloria Jeong

Clinical Research Associate

Gloria graduated with MPhil (Medicine) from the University of Sydney in 2014.
After working as a research assistant at the Charles Perkins Centre at the University of Sydney, she joined the SORI team as a Clinical Research Associate in 2016. Gloria's primary responsibilities at SORI include clinical data collection, managing and coordinating regular database audits.

Samuel Grasso

Samuel Grasso

Research Assistant

Samuel has a Bachelor Mechanical Engineering degree and is currently completing his Doctor of Philosophy in Biomedical Engineering at the University of Sydney. His research incorporates computational and image based methodologies to measure and optimise ligament position in ACL reconstruction on a patient specific basis, to improve pre-surgical planning processes and post-operative assessment.

Samuel is responsible for Sydney Orthopaedic Research Institutes research and development activities involving computational modelling.

Nadia Mazari

Nadia Mazari

Clinical Research Associate

Nadia joined the SORI team in March 2016, working part-time as a Clinical Research Associate. She is currently studying a Bachelor of Science at the University of Sydney, majoring in Nutrition and Metabolism. Nadia primarily works at our research rooms in the Mater Hospital in North Sydney.

Her primary responsibilities at SORI include clinical data collection from patients attending the clinics, maintaining the patient database and assisting the SORI research team with ongoing projects.

Kumbelin Levi

Kumbelin Levin

Clinical Research Associate

Kumbelin joined the SORI team in August 2014 and worked full time as the Clinical Research Associate. She completed a Bachelor of Medical Science at the University of Sydney in 2013, majoring in Immunobiology and Human Physiology.

Kumbelin is now studying a Bachelor of Physiotherapy at Charles Sturt University, Orange Campus and works part time. Her primary responsibility focuses on evaluating, maintaining and improving the database of over 10,000 patients.

Finance and Administration

Lionel Jeyaraj

Lionel Jeyaraj FCCA, FIPA, FFA

Finance and Admin

Lionel is a member of the Chartered Association of Certified Accountants UK and Institute of Public Accountants in Australia. He brings over 30 years of extensive domestic and international business accounting and advisory services, including eight years in the accounting profession. He has accumulated a wealth of experience in business management, tax accounting and compliance, financial analyses, auditing, statutory and ASX reporting, technology and change management. Lionel is focused on business results and improvement though effective processes, systems, reporting and efficient asset management.

Lionel has industry experience in various capacities ranging from Accountant to CFO encompassing information technology, telecommunications, education, gaming, leisure, research, marketing, venture capital and not for profit organisation.

Current Fellows

Dr Francisco Figueroa Berrios

Dr Francisco Figueroa Berrios

Current Fellow (January 2017 to December 2017)

Dr Francisco Figueroa Berrios obtained his MD degree from Universidad de los Andes (Santiago, Chile) from March 2004 to December 2010. He did his orthopaedic training at Universidad del Desarrollo (Santiago, Chile) from May 2012 to April 2015 and a Fellowship in Knee Surgery at the same institution from May 2015 to April 2016.

He has been working as Knee Surgeon in Dr. Sotero del Rio Hospital (largest public hospital in Chile) since May 2016. Right now he is a current fellow in Knee Surgery at the Sydney Orthopaedics Research Institute. He has participated in research units in Clinica Alemana – Universidad del Desarrollo and Sydney Orthopaedic Research Institute, co-authoring more than 10 articles in high impact indexed journals (JAAOS, Arthroscopy, The Knee, etc)

Dinesh Choudary

Dr Dinesh Choudary

Current Fellow (January 2017 to December 2017)

Dr Dinesh Choudary MS Ortho, MCh Ortho, SICOT Fellow completed his initial medical and orthopaedic training in Chennai, India. In 2013 he was selected by SICOT for training in hip and knee surgeries and he underwent his training at Hospital Infanta Leonor in Madrid, Spain. He is a current fellow in knee surgery at the Sydney Orthopaedic Research Institute.

Pavan Chebbi

Dr Pavan Chebbi

Current Fellow (June 2017 to June 2018)

Dr Pavankumar Chebbi completed MS Ortho in 2008 and MCh Orth from U.K in 2010. His special interests are knee arthroscopy and sports medicine. He has been an on-field physician at various sporting events including the Indian national athletics championships 2015. He has 3 indexed publications to his name. He is currently completing a fellowship at the Sydney Orthopaedic Research Institute.