OVC Board of Directors

We want to thank all of the Air & Waste Management Association members and non-members who have, or continue to, generously donate their time to run the Ottawa Valley Chapter.

The 2019 A&WMA-OVC Board Members are:

David Cotsman, Chair

David Cotsman is a Program Engineer at Environment and Climate Change Canada. Prior to joining the federal government, David worked for RWDI AIR Inc. beginning in 2005 and served as a Project Manager and Air Quality Specialist in RWDI's Ottawa office. He is also a licensed Professional Engineer in the province of Ontario. David has been involved in the technical aspects of many air quality-related projects including: comprehensive environmental impact assessments; emission inventories; advanced air quality dispersion modelling; regulatory emission reporting; regional airshed modelling; fugitive dust impact assessments; and Environmental Compliance Approvals. David specializes in dispersion modelling, odour assessments, and fugitive dust assessments and mitigation and worked extensively in the mining industry.

See Message from the Chair


Colin Welburn, Vice Chair

Colin has been working in the environmental industry for more than 20 years. His roles have included: researcher and lecturer at Carleton University, project manager and air quality specialist with RWDI, and partner and Engineer of Record for his own consulting firm, with clients in the Ottawa Valley, Southern Ontario, and Western Canada. Colin has been a member of the AWMA since 1999 and presented research papers on air dispersion modelling and air emissions management at Annual AWMA Conferences in Hartford and New Orleans.

Giulia Brutesco

Giulia is the Vice President, Safety and Security at Fertilizer Canada and focuses on developing solid environmental, health and safety performance policy through a multi-stakeholder, consensus-based approach. She also leads the development of industry codes of practice that maintain high operating standards for the safe and secure handling, storage, and transportation of dangerous goods. Previous environmental experience includes managing the environmental department of a steel mill and policy development for the electricity industry. Giulia joins the A&WMA board with over 12 years of regulatory development and compliance experience relating to air emissions, wastewater, safety, security and hazardous waste management.

Holly Dole, Treasurer

Holly is a Professor at Algonquin College for the Water and Wastewater Technician and Biotechnology programs. She obtained her Ph.D. in Chemical Engineering from the University of Ottawa, where her project focused on the removal of volatile organic compounds from the air using nano-structured catalysts and the application of the phenomenon of electrochemical promotion. Holly also has experience in several different research projects in her co-op placements, all having aspects of environmental concern, ranging from environmentally-friendly coatings for parts for next generation nuclear reactors to using non-toxic chemicals to electroplate coins.


Yasmine Hajar, Secretary

Yasmine Hajar is a fourth year Ph.D. candidate at the University of Ottawa. She holds both a B.Sc. and a M.A.Sc. in Chemical Engineering from Balamand University (Lebanon), and Queen’s University (Kingston), respectively. She currently works in the Electrochemical Engineering Laboratory under the supervision of Dr. Elena Baranova on electrochemical promotion of nano-catalysts. Her project is environmental with a focus on increasing catalytic efficiency at lower temperatures, while reducing noble metal content. Yasmine joined the A&WMA-OVC in December 2016. In addition to being an A&WMA member, she is also the Activity Coordinator at the Chemical and Biological Engineering Graduate Students Association of uOttawa (CBEGSA).

Nadine Frost

As Manager of Regulatory Affairs at Fertilizer Canada, Nadine Frost works to consolidate and address regulatory issues and shape government policy relevant to the fertilizer industry. Nadine joined Fertilizer Canada in 2015 as an ECO Canada intern, and is actively pursuing her Environmental Professional (EP) certification through ECO Canada. Nadine joined the A&WMA Ottawa Valley Chapter membership in early 2018.

Following her BSc. (Honours) in Toxicology from the University of Guelph, Nadine completed her MSc. in Chemistry from Carleton University (2015). Her research was focused on the use of synthetic DNA aptamers as recognition elements in biosensors to detect harmful agricultural mycotoxins in the field.

Emily MacKay

Emily MacKay is a Senior Consultant with Deloitte Canada. Emily has over 5 years of experience in environmental consulting and is a licensed Professional Engineer in Ontario. Emily holds an MBA from the Telfer School of Management at the University of Ottawa and an undergraduate degree in environmental engineering from the University of Guelph.This will be her sixth year serving on the Board of Directors of the Ottawa Valley Chapter.