2016 Ontario Section Board Of Directors

The A&WMA Ontario Section Board consists of dedicated volunteers that help plan, organize and run events to provide a neutral forum for technology exchange, professional development, networking opportunities, public education, and outreach.



Sarah McQuaig, President

Sarah McQuaig,

Sarah is your 2016 President of the A&WMA Ontario Section and has been a member of the Board since 2010.  

She is the Manager, Fuel Quality Systems with Suncor Energy Inc.  Prior to that she was a Senior Environmental Advisor at the Petro-Canada Lubricants Centre.  

With over 15 years of experience in the field of air quality she has extensive knowledge of provincial and federal legislation, programs and policies related to air quality and environmental reporting.  Sarah is a Qualified Environmental Professional, Toxic Substance Reduction Planner, and Applied Science Technologist.  

When she isn't volunteering, Sarah is swinging her clubs at Brampton Golf Club.

Mario Pieries, Vice-President

Mario Pieries,

Mario was elected to the A& WMA Ontario Section Board in February 2010, and is currently the chair of the Board’s Scholarship Committee.  

Prior to joining OPG, Mario held positions as an Environmental Specialist and Process Engineer with Suncor Energy.

Mario has a wide range of experience in environmental management systems, air emissions, waste management and remediation. He has served on various boards and committees including McMaster’s Engineering Society and acted as Vice President Education for Engineers Without Borders.

Mario graduated from McMaster University with a Chemical Engineering & Society degree, and is currently pursuing his Master’s in Nuclear Engineering at University of Ontario Institute of Technology.

He is a member of the Professional Engineers of Ontario, and has been an A&WMA member since 2009. 

Brian Bobbie, Chair

Brian Bobbie,

Brian has over 30 years experience in environmental science and engineering, in both the government and private sectors. He currently manages Altech, a small environmental consulting firm based in Toronto, Canada.  Brian is Treasurer of the A&WMA Ontario Section and takes care of the day-to-day bookkeeping and management accounting for the Section. He often gets involved in organizing Section events for its members such as breakfast seminars, Workshops and Section Specialty Conferences.

Rob Stevens, Vice-Chair

Rob Stevens,

Robert  is principal of HGC Engineering, a consulting engineering firm specializing exclusively in noise, vibration and acoustics.  Over the past twenty-three years he has conducted acoustical assessments and noise/vibration studies for hundreds of industries across North America, and abroad, including developing noise control recommendations to meet local regulatory requirements. 

Rob has conducted research into methods of low frequency noise attenuation in ducts, effects of high temperatures on absorptive silencers, resonant dissipative silencers, measurements of acoustical properties of materials, and the use of sound intensity measurement methods in novel applications.

HGC Engineering provides acoustical assistance to a wide variety of industries, manufacturers and the construction sector, and strives to bring the benefit of this broad experience to the noise control challenges faced by pipeline and compressor companies.

Bob Stelzer, Secretary

Bob Stelzer,

Bob Stelzer is Chairman and Chief Technical Officer at Safety Power Inc (SPI) where he is responsible for marketing, regulatory affairs and product development. 

While at Safety Power, Bob has worked with the University of Waterloo, University of Toronto, Ontario Centres of Excellence and IRAP/NRC to design the Company’s ecoCUBE® product family. Bob has registered several US patents for components in SPI’s emissions technology.

Prior to SPI, Bob was President and CEO of Electrical Safety Authority (ESA), a spin-off company of the former Ontario Hydro.

Prior to ESA he was President of Weidmuller, a manufacturer of industrial electronics with global sales exceeding $500 million. He joined Weidmuller initially as Canadian President. While there he obtained a global mandate for the design and manufacture of industrial power supplies and inverters which resulted in significant global sales. Thereafter he was promoted to serve as President of the company’s America’s Region which included the US, Canada and Mexico. Bob reported to the North American Board of Directors of the company.

Prior to Weidmuller, he worked for Honeywell where he led a team that developed model based control technology used by most global oil refineries to produce over 50% of the world’s supply of gasoline, diesel fuel, jet fuel and other hydrocarbon products.  

Bob is currently on the University of Toronto Industry Advisory Board and has served on numerous Boards in the past. He is a Professional Engineer with a Masters Degree.

Tian Gou, Treasurer

Tian Gou,

Tian Gou is an Environmental Consultant and a Registered Professional Engineer in the Province of Ontario.  Tian has been involved in various waste management engineering and planning projects over the past six years including waste management options assessment, conceptual design, life cycle cost analysis as well as compliance monitoring and reporting.  Tian was a board member and treasurer for A&WMA Ottawa Valley Chapter from 2009 to 2011. She joined A&WMA Ontario Section in 2013.



Jennifer Ahluwalia, Director

Jennifer Ahluwalia,

Jennifer is a Partner at Dillon Consulting Limited and the national practice leader for Dillon's Environmental Management and Atmospheric Services group.  Jennifer's expertise lies in the areas air quality and odour assessments in support of regulatory compliance documentation that includes permitting, reporting, and/or environmental assessments.  Jennifer has been involved with the Air and Waste Management Association for several years and has served as a Board Member since 2010.  She currently co-hosts the Hamilton Breakfast Series.


Allison Barrett, Director

Allison Barrett,

Allison is an atmospheric scientist with 15 years of experience in air quality, including modelling, monitoring and climate change and the effects of air quality issues on society.  Allison’s background includes both atmospheric services consulting as well environmental management experience gained while working at Toronto Pearson International Airport.  Allison is also a trained meteorologist with experience in operational forecasting, meteorological data QA, and analysis.  Allison’s work experience includes air quality permitting across Canada, Environmental Assessments in several countries around the globe, Human Health Risk Assessments, Operational Weather Forecasting, the use of many common air quality models in current use, as well as meteorological data processing for use in air quality assessments.    She has extensive experience in air quality dispersion modelling, using many of the models in common use in Canada and the US today.

While at Toronto Pearson, Allison ran a training program for airport staff, teaching basic weather forecasting.  She also made substantial contributions to the recently-released Airport Carbon and Emissions Reporting Tool (ACERT).  This tool, which allows airports to calculate their greenhouse gas emissions from all sources (stationary and mobile) is being distributed by Airports Council International and has been endorsed by the Advisory Board of Airport Carbon Accreditation. 

Allison has just finished serving on a Transportation Research Board panel for Project 02-42, “Understanding Air Quality and Public Health Studies Related to Airports”, which is in publication.  She was invited to serve on another panel for Project 02-67, “Air Quality Management: Toolbox, Research Compilation, Gap Analysis and Training Materials”, which starts in January 2015.

Bio coming soon.

Giulia Brutesco, director

Giulia Brutesco,

Giulia is the Senior Director, Industry Standards at the Canadian Fertilizer Institute and focuses on developing environmental 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 as well as environmental and waste policy development for the electricity industry. Giulia joins the A&WMA board with 10 years of regulatory development and compliance experience relating to air emissions, wastewater, safety, security and hazardous waste management.

John Georgakopoulos, Director

John Georgakopoulos,

John is an environmental lawyer and Partner at Willms & Shier Environmental Lawyers LLP.  John advises clients on environmental compliance and due diligence, defends environmental prosecutions and orders, and litigates environmental claims.  He advises clients on the environmental aspects of real estate and business transactions to protect them from the liabilities and costs associated with contaminated lands.  Prior to becoming a lawyer, John was a senior environmental scientist with the Ministry of the Environment (MOE).  He has extensive experience with air emissions inventories, estimation and reporting in Canada and the US.  John was a recipient of MOE’s Emerald Award for superior quality service and environmental protection.  He received his LL.B. from the University of Ottawa, and his BSc. (Hons.) and M.Sc. from the University of Toronto focused in environmental 

Nicholas Sylvestre-Williams, Director

Nicholas Sylvestre-Williams,

Nicholas is a Project Engineer with Aercoustics Engineering Ltd. located in Toronto, Ontario.  With a focus on acoustics engineering, he has extensive knowledge of provincial and federal legislation, programs and policies related to acoustics, noise & vibrations as it pertains to the environment.  In his spare time, he volunteers his time to Engineers in Residence, program to encourage Sciences in our primary schools.  When he isn't volunteering, Nicholas is happily biking on the various trails around Toronto.

Brian Sulley, Director

Brian Sulley,

Brian Sulley is a Senior Air Quality Specialist with RWDI, and is the leader of RWDI’s Air Quality group in Ontario.  He is directly involved in air quality assessments for the chemical process, pulp and paper, cement, automotive and fibreglass product industries. Brian also works extensively in fugitive dust assessments, including bulk handling facilities, mining operations, and aggregate extraction & processing operations.  Brian also has extensive experience in land-use planning matters dealing with dust and odour, and frequently conducts assessments for institutional facilities such as hospitals, universities and long-term care homes.  As a leader, Brian oversee a team of scientists and engineers who specialize in emission inventories, regulatory dispersion modelling, greenhouse gas quantification and verification, regional modelling, meteorological modelling, photochemical modelling and compliance auditing.  Brian has also served in a number of professional, industry and community organizations, including the Ontario Stone Sand and Gravel Association, Ontario Forest Industry Association, Air & Waste Management Association, the Guelph Rowing Club and the University of Guelph Rowing Program.

Gordon Reusing, Director

Gordon Reusing,

Gordon Reusing is a Principal at GHD Ltd.  He graduated with a Masters in Mechanical Engineering at the University of Waterloo and started working for Conestoga-Rovers & Associates Ltd. (CRA) in 1990 after a stint teaching English in China.    He is based in Waterloo, Ontario where he worked for CRA over the course of 24 years and is now working for GHD, which merged with CRA in 2014, creating a global company of over 6000 people.   Gordon practices primarily in air, greenhouse gas and noise consulting services.  He has a particular interest and extensive experience in energy from waste and renewable energy projects.   He also manages multimedia environmental assessments, due diligence and remediation projects.  Gordon is married and has two boys, studying in university and high school, and a daughter in grade 4.



Julie is an Environmental Engineering at Dillon Consulting Limited.  Julie’s expertise lies in the areas of air quality and environmental management programs.  With almost 15 years of experience, Julie has extensive knowledge of provincial and federal legislation, programs and policies related to air quality and environmental reporting.  She is a Professional Engineer and Toxic Substance Reduction Planner.  Julie also serves in the Professional Engineers of Ontario Hamilton-Burlington Chapter.  Although she just joined the Air and Waste Management Association, she is currently co-hosting the Hamilton Breakfast Series.

Ciara De Jong, Ex-Officio

Ciara De Jong,

Ciara is the Principal, Compliance and Permitting for ORTECH Environmental.  She has held a variety of positions in the field of air quality including management in both the public and private sectors. 

Ciara has contributed to a broad variety of projects in the energy, government, automotive, waste water treatment, manufacturing, mining, fossil fuel, and other industries for both new and existing facilities.

She has been involved in all facets of environmental compliance including permitting, advanced computer modeling, environmental assessments, pollution prevention, policy and regulation development, climate change mitigation and adaptation, climate change risk assessments, sustainable energy strategies, odour assessments, and regulatory reporting. 

Tony van der Vooren, A&WMA International

Tony van der Vooren,
A&WMA International

Tony is a senior environmental consultant at AMEC Americas responsible for air quality and regulatory issues.  Tony has been involved in environmental issues for almost 30 years.  Tony has been involved with the Air and Waste Management Association for almost 25 years.  He has been active in both the Ontario Section (at all levels, including Section Chair in 1993-94) and the international Association.  He was the President of the Association during A&WMA’s Centennial Year (2007) and is currently the Chair of the Honours and Awards Committee.

Camille Taylor, Ottawa Valley Chapter

Camille Taylor,
Ottawa Valley Chapter

Camille is senior air quality engineer at Golder Associates Ltd. in Ottawa.  She is a licensed chemical engineer in Ontario and Quebec with over twelve years of experience in air quality and environmental compliance.  Camille’s expertise in air quality includes air, odour, and greenhouse gas assessments including reporting, modelling to support compliance and environmental assessments.  She is also a Toxic Substance Reduction Planner. In addition to her full-time work at Golder, She is currently serving as a Director of the Air & Waste Management Association - Ottawa Valley Chapter and is a part-time professor at a local college, La Cité Collégiale.  She is also a member of the A&WMA International Membership Committee and 2015 Nominating Committee.   Camille has been an active member of the A&WMA Association serving at various Board positions of the OVC Chapter and Ontario Section since 2007.   In addition to being an A&WMA volunteer, Camille also volunteers her time at the Rideau Valley Wildlife Sanctuary and the Ottawa Community Immigrant Services Organization.