Senior Team

Cyclowest personnel consists of a highly experienced team brought together with key strategic partners and external consultants.

Thomas Tuchyna

General Manager

Thomas trained as a radiation therapist and a medical physicist in Australia and worked in various areas of health in the public and private sector for over 20 years. He was involved in setting up the West Australian government cyclotron, working at the facility for 8 years, initially as the principal physicist, subsequently administered all of the centre’s activities. Thomas was involved in the establishment of a cyclotron / radiopharmaceutical facility and a linear accelerator centre in Jakarta for the Mochtar Riady Comprehensive Cancer Centre. Thomas later directed the establishment of a Comprehensive Cancer Centre in Western Australia.

[email protected] or (+61) 0406 092 796

Jacquie Cawthray
B. Sci (Hons), PhD (Chemistry)

Head of Production

Jacquie Cawthray completed a PhD in Chemistry from the University of Adelaide, Australia before spending 12 years working in Canada as a Postdoctoral Fellow in Medicinal Inorganic Chemistry (UBC and TRIUMF, British Columbia) and Research Coordinator at a radiopharmaceutical centre (Saskatchewan). Jacquie gained an enviable record in the design and development of processes for the manufacture of radiometal pharmaceuticals in a regulated GMP environment.

On return to Australia, Jacquie led the final phase of activities for the establishment of a cyclotron facility at the Royal Darwin Hospital before she joined Cyclowest.

Jacquie’s experience, coupled with analytical and technical skills have been applied across pre-clinical through to clinical radiopharmaceutical productions, establishment of laboratories and facilities, overseeing routine operations and implementing quality management systems. Jacquie has a solid background in the development of solid targetry and radiometal purification methods gained through advanced international industry courses by major manufactures of cyclotrons (IBA, GE) and manufacturers of radiochemistry systems (Trasis, Fluidomica, IBA, GE).

Daniel Ray

Head of Quality Assurance

Daniel (Dan) holds a bachelor’s degree in science with majors in Chemistry and Statistics and practical industry experience in GMP radiopharmacy. Dan initially began work as a production radiochemist at a commercial radiopharmacy where he gained significant experience in sterile radiopharmaceutical manufacture and the code of Good Manufacturing Practice. Dan progressed and became the Quality Assurance Manager, during which time he oversaw several projects focused on quality improvement, facility development and came to lead the centre’s regulatory audits.

Following this role, Dan spent time working as a Quality Manager in cleanroom commissioning and certification where his experience was key to establishing processes which led to the attainment of ISO 9001 accreditation for the company. Dan has also held a role as a Production Manager at the WA Health operated Central Pharmaceutical Manufacturing Facility as they transitioned into a brand-new purpose-built facility and was directly involved in the commissioning and qualification processes.

Dan first became involved with Cyclowest in 2020, working as a consultant in the early stages of facility design and GMP planning, before re-joining the company full-time as the Quality Assurance Manager in 2022.

Adeesh Autar
BEng (Hons), DipMBA


Adeesh holds a double degree in Biomedical and Industrial Computer Systems engineering. Working as a biomedical engineer led Adeesh to oversee the setup of medical equipment in several areas including cardiothoracic operating theatres and the Emergency department, in one of the largest private hospitals in Western Australia. Adeesh joins Cyclowest as an engineer to manage the specialist equipment and the overall facility infrastructure.

Samer Bakr

Physicist / Radiation Safety Officer

Samer (Sam) has a PhD in Medical Radiation Physics from the University of Wollongong, Australia. During his PhD he implemented a new atomic de-excitation package in Geant4, based on a more accurate theoretical approach.

Before moving to Australia, Sam spent 3 years as an industrial Radiation Safety Inspector for the Atomic Energy Commission of Syria (Radiological and Nuclear Regulatory Office). He earned a post-graduate qualification in Radiation Protection and Safety of Radioactive Sources from the IAEA in 2010 while completing a master’s degree at the Damascus University.

Sam joins Cyclowest as a physicist / RSO to operate a radiation dosimetry service, ensure the calibration of radiation, environment monitoring, and other testing instruments meet national standards. Sam is key to establish and maintain an ongoing relationship with regulators, industry groups, and equipment suppliers to guarantee the best radiation safety practises. Sam is also instrumental with research of new systems for product development, information technology and computing facility systems.

Board of Directors – Cyclowest Holdings Pty Ltd

Dr Nat Lenzo

Nat holds both undergraduate and master’s degrees in medicine, oncology, health service management and business administration. He has served on boards in private companies, not-for profit organisations, and the Royal College of Physicians. From 2001 – 2006, he was inaugural head of the Western Australian PET/cyclotron service. Currently, Nat is clinical professor in medicine at Notre Dame Australia and Curtin Universities in Perth, and a consultant nuclear medicine physician at Fiona Stanley Hospital. He is co-author on over 50 research papers, many on molecular imaging and therapy. In 2015, Nat founded Theranostics Australia, now fully owned by GenesisCare, where he remains in the position of Group Clinical Director in Theranostics.

Dr Dalveer Singh

Dalveer is a dual trained radiologist and nuclear medicine specialist. He completed clinical training and research experience at the Princess Alexandra Hospital. He subsequently completed a fellowship at the Peter MacCallum Cancer Centre in Melbourne subspecialising in advanced molecular imaging and radionuclide therapy. Dalveer is a Senior Lecturer at the University of Queensland and the author of multiple peer reviewed publications across various imaging topics.

Dr Sanjay Sharma

Dr Sharma is an Associate Adjunct Clinical Professor at Curtin University medical school, and an experienced surgeon specialising in cardiac and thoracic surgery. He is also a cardiothoracic Fellow at Harvard Medical School. He served as Head of Department of Cardiothoracic Surgery at Fremantle Hospital from 2011-2015, and established the thoracic surgical programmes at St John of God Hospital Murdoch (2012) and Joondalup Health Campus (2015). Dr Sharma is also a Senior Instructor with the Royal College of Surgeons.

Dr Sanjay Mukhedkar

Sanjay is a medical oncologist at St John of God Hospital, Murdoch and at ICON Cancer Centre in Western Australia.  Since 2015 he has dedicated himself to fulltime private medical oncology practice. Sanjay established Oncology West, which has now grown to become the largest private medical oncology practice in WA. He has a special interest in the treatment of lung cancer and cancers of the urinary and gastrointestinal tract.

Julie Crouch

After initial training as a nuclear medicine scientist in the UK, Julie moved to Australia to manage nuclear medicine departments and set up the inaugural Western Australian state government PET and cyclotron facility. She has extensive experience within the healthcare industry across the public and private sector, and has held a range of board positions, including vice-president of the Australian & New Zealand Society of Nuclear Medicine.

Angela Whittington

Angela Whittington’s background includes qualifications from the University of Western Australia in accounting and marketing/management, and a working career including resources marketing with Rio Tinto and then 15 years in the health sector.  Angela has been recognised for her achievements and in 2002 was a winner of the Business News WA 40-Under-40 Award and in the same year was also awarded the Western Australia Rural Woman of the Year. In 2007 she was a second time recipient of the 40-Under-40 award and the following year (2008) was the winner of the WA Telstra Business Women’s Hudson Private and Corporate Sector Award. She has held a range of board positions, including being a founding director of MelanomaWA. Angela was CEO of Global Diagnostics (now Apex Radiology) for 10 years and is now General Manager of Perth Urology Clinic, WA’s pre-eminent provider of urological cancer treatments in WA.