Robert MacDonald, PhD
Robert I. MacDonald has been on the staff of ASI since 1982 and now serves in the position of President. In 2020, he also became a Director of Yändata’ Limited Partnership, a joint venture majority-owned by the Huron Wendat Nation with ASI as the minority shareholder. Rob holds Honours BSc and MA degrees from Trent […]
Katherine Hull, PhD
Dr. Katherine Hull (PhD, Anthropology) joined the ASI team following the completion of her doctorate in 2004. She currently holds the position of Principal of Historical Archaeology while maintaining oversight of the Human Resources team. Over the course of her employment with ASI, Katherine has directed several Stage 3 assessments and Stage 4 mitigative excavations, […]
Lisa Merritt, MSc
Lisa Merritt has been a practicing archaeologist in Ontario since 1996. Currently, as Principal of the Infrastructure Practice Area she oversees a team of dedicated staff from both our Toronto and Burlington offices, responsible for archaeological assessments triggered by federal, provincial and municipal infrastructure. Lisa received her Honours Bachelor of Arts in Anthropology in 1996 […]
Andrew Riddle, PhD
Andrew began his career with ASI in 2002 and currently holds the positions of Senior Archaeologist. He is the Principal of ASI’s Site Mitigation Practice Area, responsible for overseeing Stage 3 and Stage 4 archaeological mitigation projects throughout the province. His responsibilities include senior project management, resource allocation, and quality assurance for all deliverables. Dr. […]
David Robertson, MA
David has been on staff at ASI since 1988 and is Principal of the firm’s Planning Assessment Practice Area, and also contributes to Stage 4 salvage excavation of Indigenous and Euro-Canadian sites, among other activities. In his role Principal of Planning Assessment he is responsible for the successful completion of green field and brown field […]
Rebecca Sciarra, MA
Rebecca has extensive experience working in accordance with Ontario’s legislative and regulatory framework for conserving Ontario’s cultural heritage resources. She has worked in both the private and public sectors, leading Class Environmental Assessment studies and technical cultural heritage studies for provincial undertakings, applications made under the Planning Act, and matters pursuant to the Ontario Heritage […]
Ronald Williamson, PhD
Ronald F. Williamson, PhD, Senior Archaeologist & Founder, Manager of the Special Project Division. Dr. Williamson is an archaeologist with 50 years of field and administrative experience. He holds an Honours BA from the University of Western Ontario and MA and PhD from McGill University, all in Anthropology. In 1980, he founded ASI and has since […]
Martin Cooper, MA
Martin Cooper has been involved in archaeology in Ontario for over thirty years. He received his Honours BA in Anthropology at the University of Western Ontario and his MA at the University of Toronto, where he is currently completing his PhD. He is a Partner and Senior Archaeologist with the firm. Martin has served as […]
Robert Pihl, MA
Robert H. Pihl is the Manager of ASI’s Environmental Assessment Division, responsible for the completion of all archaeological assessments the firm carries out in advance of utilities-based projects in the Province. His other archaeological responsibilities include the analyses of precontact ceramics and the preparation of all types of project reports. Rob joined ASI as a […]
Deborah Steiss, MA
Debbie Steiss is responsible for overseeing all aspects of administration, human resources, finances, laboratory and collections management, and information technology. Debbie received her Honours Bachelor of Arts in Anthropology (1975) and her Master of Arts in Anthropology (1979) from the University of Toronto. She also enrolled, in 1977, in the Graduate Program at the University […]
