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Gamma sterilization technologies help our customers improve the health and well-being of people around the globe. It’s a complex topic yet our experts can simplify it for you.

Our Experts


Carlo Coppola

Director, Nordion’s Gamma Centre of Excellence

Carlo has over 16 years of experience working with radiation and sterilization.
Carlo oversees Nordion’s Gamma Centre of Excellence. He has worked on multiple collaborations involving radiation processing—from medical devices to food packaging. Carlo is a member of ASTM.


Fatima Hasanain 

Fatima Hasanain

MSc. Polymer Materials Specialist, Gamma Technologies

Fatima has a variety of expertise in radiation effects on polymer materials, pharmaceuticals and gamma sterilization.
Fatima is the Technical Manager of the Dosimetry lab at Nordion and a member in the ASTM Radiation Processing: Dosimetry and Applications Subcommittee. She is also a member in the American Association of Medical Instrumentation (AAMI) and Parenteral Drug Association (PDA). Fatima has publications in various peer reviewed journals including the Radiation Physics and Chemistry, PDA Journal of Pharmaceutical Science and Technology, Polymer, and Dyes and Pigments. Fatima holds a Masters degree in Organic and Polymer Chemistry and Bachelor of Science in Biochemistry and Biotechnology both from Carleton University.



Chris Howard

PhD, Radiation Physicist, Gamma Technologies, Nordion

Chris has over 15 years of experience studying and applying radiation physics in academic and industrial applications.
Chris supports gamma technologies at Nordion and Sotera Health’s sister companies. He specializes in modeling dosimetry and dose to product in self-contained and industrial scale gamma irradiators. Chris holds an MSc degree from Queen’s University and a PhD from the University of Alberta.



Tom Wasiak

P.Eng, MSc. Biomedical Engineering, Technical Authority for Sealed Sources

Tom is Nordion’s technical expert for sealed sources. This includes their design, testing, certification, fabrication, use, recycling and disposal. Tom is a member of Professional Engineers of Ontario and has more than 25 years of experience in the field of radioactive sources, biomedical engineering, medical devices and self-contained irradiators. Tom is a an active member and co-convener of the “Sealed Sources” working group (WG11) on the International Standards Organization’s Technical Committee on “Nuclear energy, nuclear technology and radiological protection” (TC 085). Tom holds a Masters Degree in Biomedical Engineering from the Warsaw University of Technology in Poland.


Richard A. Wiens 

Richard A. Wiens 

P.Eng, CPIM, Director, Strategic Supply, Gamma Technologies

Richard holds more than 20 years of experience leveraging a unique blend of business, manufacturing and information technology.His strong communication, organizational and technical skills make him an ideal expert to answer your questions. Richard holds a BASc Mechanical Engineering from the University of Waterloo.


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