Canadian Association of Radon Scientists and Technologists

Helping Canadians Reduce Radon Risk

Our Board of Directors

(see contact information below)

President of CARST

Scott Cryer, P. Geo. 

Scott Cryer is the National Practice Leader for radon at Pinchin Ltd. A professional Geoscientist (P. Geo.), Scott has over 25 years of experience dealing with environmental, health & safety issues. Scott is C-NRPP certified in both measurement and mitigation and provides consulting services to clients nationally regarding radon and hazardous materials issues.

Vice-President of CARST

David Innes

David is a bilingual senior sales executive with over 25 years experience building international businesses from the ground.  David has spent most of his career in construction and construction related industries.  He is Director of Sales for Radon Environmental Management Corp. and a C-NRPP-certified professional in both the measurement and mitigation of radon.


Mark Donohue, Eng.

Mark Donohue is Vice President of the Building Science Group at le Groupe Gesfor Poirier Pinchin Inc, and has over 23 years’ experience with environmental issues, building envelope science, and occupational health and safety concerns.  Mark is C-NRPP certified in both measurement and mitigation and has designed and implemented radon mitigation systems in schools and large commercial buildings throughout Quebec.

Marcel Brascoupé

A founding member of CARST, Marcel Brascoup√© is a “certified” general contractor specializing in the installation of radon mitigation systems since 2008. Marcel is also a bilingual C-NRPP national certified trainer for radon measurement, mitigation and CRNCH courses, Marcel also participated in the development of Health Canada’s guideline document for radon mitigation and participated on or co-authored several scientific papers on radon mitigation.

Bruce Decker, CET, ROHT, BSSO

Bruce Decker is the Senior Indoor Environmental Specialist at BGIS with 24 years’ experience in the Environmental, Health & Safety and Building Science consulting industries.  Bruce is C-NRPP certified in measurement, mitigation and CRNCH and heads a national radon testing and mitigation team specializing in commercial buildings for corporate clients across Canada.  Bruce brings technical committee and Director experience to CARST from his involvement with CSA and EIA (EACO).

Colin Dumais, BSc.

After finding and mitigating radon in his family’s home, Colin Dumais founded RadonWest Ltd; offering radon testing and mitigation services and radon resistant construction design. Passionate about renewable energy and energy efficiency, Colin works to raise radon awareness and ensure that mitigation systems are designed efficiently and economically using enhanced diagnostic methods and procedures. Colin is a C-NRPP trainer; certified in both measurement and mitigation. 

Julie Girardeau

Julie Girardeau is the General Manager of Operations at AccuStar Canada and oversees the operations of the rental program at Airthings.  With extensive experience in banking, finance, and administration, Julie is located in Quebec City and is fluently bilingual.

Michael Halliwell, Eng.

Michael Halliwell is an Environmental Engineer at Thurber Engineering in Edmonton, Alberta.  Michael has extensive experience in soil and groundwater assessment and remediation, soil vapour and indoor air quality in addition to radon measurement.

Jeff LeBlanc

Jeff LeBlanc is a certified radon mitigation professional who runs both Cottage to Castle Home Inspections and Radon Repair in the greater Moncton area.  With past experience as a Realtor, Jeff is dedicated to increasing radon awareness in New Brunswick, Atlantic Canada and across the nation. 

Anne Marie Nicol, MES PhD

Anne-Marie Nicol holds a PhD in Epidemiology from UBC and a Master’s in Environmental Studies from York University. Currently, Anne-Marie is an Associate Professor of Professional Practice at Simon Fraser University in the Faculty of Health Sciences. Her areas of interest include human health risk assessment, environmental health, and knowledge translation.  Anne-Marie is the co-principal investigator of CAREX (CARcinogen EXposure) Canada (; a multi-institution team of researchers working together to study carcinogen exposure in Canada. At CAREX, Anne-Marie leads research on radon policy across Canada in various contexts. Recently, Anne-Marie initiated the Healthy Indoor Environments program at the BC Lung Association which is focused on improving policies that support better indoor air quality. Anne-Marie is also a core team member for the Take Action on Radon (TAOR) program.

Bill Rounds

Bill Rounds is President of Radonova, a global leader in radon measurement and alpha track technology.  Bill’s responsibilities include coordinating Radonova’s extensive international radon business and developing strategy to move the group forward. Based in the United States, Bill is an active member of CARST and AARST, and serves on the board of directors of the AARST Foundation.

Andrea Shinkle

Andrea has over 10 years experience in Facilities and Project Management for the Federal Government.  She is also co-owner of an electrical contracting company and is certified in both radon measurement and mitigation.

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