Our Team

BAppSc PGDip GradCert RN MHA
Chief Executive Officer

Headshot of Cheryl-Ann Hawkins

Cheryl-Ann brings decades of clinical trials know-how and a proven track record of developing and managing successful and productive teams in this sector. Her 30-year career spans various leadership oncology nursing roles with a focus on early phase/first in human drug trials. Cheryl-Ann is committed to the implementation of innovative approaches of clinical trial delivery to ensure cancer patients have a choice of world-class treatments.

BSc(Biochem) MBioMedSci
Research Manager

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

Gabrielle brings 13 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
Senior Clinical Data 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.

Senior Clinical Research Associate

Dr Lea-Anne Harrison

Lea-Anne has over 15 years of clinical trial/research management experience from the UK and Australia, predominately within the oncology sector. She has managed multi-centre research projects and interventional, observational and registry studies. Her main areas of expertise are in project coordination, staff and business management, ethical and governance oversight, resource and budgeting management, and contract negotiation.

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.

BBiomedSci (Hons) PhD
Research Development Manager

Sanja Coso, Research Development Manager

Sanja obtained a PhD in Biomedical Sciences at Monash University, followed by postdoctoral studies focusing on tumour and vascular biology (Switzerland). Prior to joining MASC Trials, Sanja was based in the United States where she coordinated major program grants. Sanja has extensive experience as a research development scientific and grant writer in basic, translational and clinical research.

BBioMedSci (Hons) MSc (Epidemiology)
Research Grants Coordinator

Prior to joining MASC trials, Paige worked as the Research Coordinator for the Primary Care Cancer Collaborative Clinical Trials Group where she helped support a large portfolio of clinical trials and research. Paige is passionate about evidence-based health and has significant expertise in scientific writing and evidence synthesis. She is also highly skilled in research design, systematic and literature reviews, and research methodologies.

BEd(Sec)Sci PhD
Research Consultant

Marina Skiba, Research Manager

Marina has dedicated her career to clinical research and brings 30 years of experience in early and late phase interventional studies and mechanistic trials, community-based trials and observational research. She has expertise in research governance, ethics, protocol development, project co-ordination and management of investigator-initiated clinical trials. Marina is passionate about supporting investigators to realise their research dreams.

BBusComm (PR) GradDipBusMgmt
Marketing and Communications Manager

Merrin has worked in marketing communications for over 20 years, many of which have been in the medical research and higher education sectors. Before joining MASC Trials she supported brain 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
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)
Administrative 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.

BBioMedSci BPhysio
Clinical Research Associate

Nila’s combined experience in regenerative medicine, clinical diabetes and epidemiology, and physiotherapy enables her to understand the importance of multidisciplinary research. Having gained prior experience as an Ethics Compliance Officer, Nila is experienced in handling and storing clinical data for large cohorts, in adherence to stringent ethical guidelines. She prides herself on upholding the international guidelines for good clinical practice.

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.

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.


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.