Karl Mayman was a highly respected radiation protection specialist and Senior Consultant Health Physicist with more than 35 years of experience in the radiation protection industry. His career began in 1986 with the Australian Atomic Energy Commission (AAEC), later known as ANSTO, where he joined as a Nuclear Health Physics Surveyor.

Following extensive training across ANSTO’s operational areas, Karl gained hands-on experience in reactor operations, waste management, medical and industrial isotope production, cyclotron facilities, instrument calibration, and emergency response. During his career, he worked extensively in both operational and consultancy roles, developing specialised radiation protection techniques and leading complex projects across Australia and the Asia-Pacific region.

Karl was a founding member of ANSTO’s commercial consultancy group and played a key role in delivering radiation protection services to industries including the MARTAG pre-clean up site investigations at Maralinga, mining, defence, hospitals, universities, Australian Customs, and other government agencies. His expertise spans radioactive source identification, inventory and characterisation, source security, remediation and site investigations, radioactive waste management, and the recovery, removal, transport, and disposal of high-activity radioactive sources.

Internationally, Karl contributed to ANSTO’s Regional Security of Radioactive Sources Project, working with international partners to locate, secure and safely manage orphan radioactive sources throughout the Asia-Pacific region. This work included projects in Papua New Guinea, Cambodia, Fiji and Vietnam. In recognition of his expertise in transporting high activity sources under special arrangement, he attended specialised training at the International Atomic Energy Agency (IAEA) in Vienna and became accredited as an IAEA lecturer in Security During Transport of radioactive materials.

Throughout his career, Karl was a member of ANSTO’s first-response team for radiological incidents and participated in Nuclear Powered Warship monitoring and international emergency response exercises, including challenging training exercises at Chornobyl. He also held specialist accreditations in radiation safety for mining and radioactive ore processing, as well as regulatory compliance assessments for X-ray and analytical equipment.

In the latter part of his career, Karl led major long-term remediation and radioactive waste management projects for Defence, universities and hospitals. One of his most significant projects involved the identification and remediation of a radium contaminated building at the University of Melbourne. Originally scoped as a six-week investigation, the project evolved into a three-year piecemeal demolition, excavation, and soil remediation program, requiring the development of innovative methodologies accepted by regulators for the activity classification of drummed contaminated soil.

Karl retired from ANSTO in 2020, leaving behind an exceptional legacy of leadership, technical expertise and contributions to radiation protection, source security and environmental remediation both in Australia and internationally.

Dr. Craig Chisholm holds a MSc from the University of Otago (Dunedin, New Zealand) and a PhD from the Technical University of Catalonia and the Institute of Photonic Sciences (Barcelona, Spain). His work has been published in international journals including Nature and Science and his thesis was recognised with an exceptional experimental doctoral thesis award.

At OpenStar Technolgies, Craig is an Experimental Plasma Physicist as well as the Radiation Safety Officer and Laser Safety Officer. He is responsible for machine operations and instrumentation of plasma diagnostics on OpenStar’s first levitated dipole experiment, “Junior”, and is the Work Area Manager for the primary experiment.

Rohitha Baskar holds a Bachelor of Science in Radiation and Health Physics from the University of Botswana, a Master of Applied Science in Medical Physics from Queensland University of Technology, and a Master of Occupational Health and Safety Science from the University of Queensland. She is a recipient of the International Atomic Energy Agency (IAEA) Marie Sklodowska-Curie Fellowship, awarded to women pursuing careers in nuclear science and technology.

Rohitha is a Radiation Safety Consultant at McKavanagh Engineering Services Pty Ltd, where she works across radiation protection, compliance, instrument calibration, radiation safety training, consulting and occupational health and safety.

Originally from Botswana and now based in Australia, Rohitha brings an international perspective to radiation protection, shaped by academic achievement, practical consulting experience, and a strong commitment to the future of the profession.

As Group Executive Nuclear Operations, Safety and Security, Miles has responsibility for all nuclear operations, safety, security and safeguards operations at ANSTO. The portfolio includes science and technology capabilities that undertake a range of mandated and sovereign functions for Government supporting a broad range of national security stakeholders. These include nuclear security science capabilities such as nuclear forensics. He leads ANSTO’s engagement with the Australian Submarine Agency to support the establishment of the nuclear-powered submarine enterprise.

Miles initially joined ANSTO to manage the safe, secure and sustainable planning and operation of the organisation’s entire portfolio of Landmark and National Research Infrastructure. He now has responsibility for nuclear stewardship across all ANSTO.

Miles has more than thirty years of experience in strategic planning and leadership of science and technology collaborations between government, industry and universities. He has established multi-node, multi-disciplinary collaborative research infrastructure networks for the characterisation of matter (chemical, mineral, biological) across a broad range of resolution and sensitivity scales.

Miles has a Bachelor of Metallurgical Engineering and a PhD from the University of New South Wales. He has extensive industry-based R&D experience in collaboration with universities, national laboratories and government agencies and has completed an Advanced Certificate in Management, Innovation and Technology from MIT and is a Member of the Australian Institute of Company Directors.

Dr. Douglas Boreham received his Ph.D. from the University of Ottawa, was a research scientist at Atomic Energy of Canada Ltd, Chalk River Laboratories, prior to becoming a professor at McMaster University.  He is currently a professor at the Northern Ontario School of Medicine University (NOSM U) in the Medical Sciences Division. While working at McMaster University and NOSM U he also held positions at Bruce Power Nuclear Station as Principal Scientist for the Environment and Integration Departments.  Dr. Boreham is a recognized leader in the areas of low dose radiation effects in medicine and health, and radioprotection of humans and the environment. He has mentored numerous students and has over 160 peer reviewed scientific publications.  He is a board member of the Radiation Research Foundation and was the 2024-2025 President of the Radiation Research Society.

For more information: https://www.nosm.ca/faculty/medical-sciences/faculty-bios/dr-douglas-boreham/