Our Team

BSc(Biochem) MBioMedSci
Chief Executive

Headshot of Gabrielle Byars Clinical Research Associate at Melanoma and Skin Cancer Trials

Gabrielle brings 14 years cross-industry management experience in US- and Australian-led, multi-centre clinical studies and early phase investigator-initiated research in diabetes (device) and gastroenterology (vaccine). She has a biomedical background and notable success in technical projects with a variety of university and industry stakeholders in the biotechnology and medical technology industries. Gabrielle is passionate about research that improves patient treatment options and outcomes.

BSc(Hons) MS MPH PhD
Research Manager

Headshot of Sandra Vargas Clinical Data Manager at Melanoma and Skin Cancer Trials

Sandra holds a BSc (Biology) from Colombia and completed her MSc and PhD in Brazil, where she worked in basic research in cervical cancer. Driven by a strong interest in and belief in the power of clinical trials, Sandra completed a Master of Public Health at Monash University. Sandra worked in health economics research, data analysis and in the pharmaceutical industry before joining MASC Trials.

BSc (Hons) MSc
Senior Clinical Research Associate

Sharon has over 13 years of clinical trial experience and has worked across investigator-initiated, collaborative and commercial studies in neurology and oncology. She has previously managed a large portfolio of phase I-III studies and was responsible for feasibility assessments, resource and contract negotiations, and start up activities. Sharon is also an experienced medical writer covering melanoma, multiple sclerosis and stroke publications.

MSc (Human Biology)
Senior Clinical Research Associate

A headshot of Katja Loewe

Katja holds a MSc in Human Biology (Germany). She has extensive knowledge of ethical, legal, and regulatory requirements, complemented by recent project management experience, supporting a large, national, investigator-initiated clinical trial. With an analytical approach and a track record of stakeholder management, Katja is keen to assist clinicians realise their projects and accomplish their trial goals and thus contribute to high-quality research and improved outcomes for patients.

BAppSc (PharmSc)
Clinical Research Associate

Louise has worked in clinical trials for over 10 years with extensive experience in site coordination and participant recruitment. Louise began her career in Nucleus Network and worked largely in early Phase healthy volunteer trials. She then moved to the Alfred Haematology Clinical Research Unit and specialised in haemophilia trials. Having worked closely with patients and their families, Louise understands the significance of improving treatments for patients.

BBusComm (PR) GradDipBusMgmt
Marketing and Communications Manager

Merrin has worked in marketing communications for 25 years, many of which have been in the medical research and university sectors. Before joining MASC Trials she supported brain and biomedical imaging researchers with their communications activities. Merrin enjoys the challenge of communicating complex scientific concepts to the public and assisting those involved in research to share their findings with diverse audiences.

CertIVBusAdmin DipAcc
Executive Assistant / Senior Office Administrator

Headshot of Elizabeth Sadowy Senior Administration Officer at Melanoma and Skin Cancer Trials

With over 15 years of administrative experience, Liz’s career commenced in hospital pharmacy, before transitioning to finance in the private sector. With a passion for health and community service, Liz returned to executive administration within a hospital setting, working in Radiation Oncology and then Emergency Services, before her appointment with MASC Trials. Highly skilled and motivated, Liz is always keen to take on new challenges.

BSc (Physiotherapy)
Clinical Trials Assistant

Headshot of Ayeshini Sella Hewage

Ayeshini has over 3 years’ experience in patient care and health administration. Ayeshini holds a BSc (Physiotherapy) from Sri Lanka and is currently studying for her Master of Public Health. Prior to joining MASC Trials, Ayeshini worked as a Physiotherapist in Sri Lanka and as a Surveillance Officer in the COVID-19 Response Team at DHHS. Ayeshini is passionate about clinical trials and public health interventions that promote population health and wellbeing.


Alan is a Senior Research Fellow within the School of Public Health and Preventive Medicine, Monash University. He has over 20 years’ experience as a biostatistician and is passionate about harnessing the power of statistics and data analytics for the solution of real-world health problems. He has extensive experience in all phases of clinical trials from phase I first-in-human trials through to phase 3 practice changing trials, specialising in oncology.


Rory is a Professor of Biostatistics within the School of Public Health and Preventive Medicine, Monash University. He contributes to many epidemiological, public health and clinical research studies. Rory also leads research on statistical methodology applied to health research and is the head of the Australian Trials Methodology research network which seeks to evaluate, enhance and apply innovative methodology for trials.

BDS (Dentistry)
Clinical Data Manager

Daniel holds a BDS in Dentistry (Colombia), a Diploma of Project Management, and he is currently undertaking a Master of Public Health. He has clinical and data management skills and experience in oncology studies and the dentistry field. Daniel enjoys the different challenges within his role, and focusing on the importance of clinical trials for the development of new therapies and interventions.

Clinical Data Manager

Before graduating with a Bachelor of Biomedical Science in 2020, Lucas worked as a Research Assistant at Austin Health. During this time, he gained valuable experience in clinical research focused on assessing the mental and physical health outcomes of hormone replacement therapy for transgender individuals. Before working in clinical research, Lucas was a veterinary nurse for six years.

BSc GradDip (Computing Studies)
Clinical Data Manager

Simon has over 15 years’ experience working as a data manager in dermatology and skin diseases. With a background in research and data analysis in a healthcare setting, he brings an analytical and scientific approach to the position. He is passionate about the role that data analysis and clinical investigations can have in providing valuable insights into disease processes, treatment opportunities and advances in patient outcomes and quality of life.