2019 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 2019 President of the A&WMA Ontario Section and has been a member of the Board since 2010.  

She is the Manager, Environment, Health and Safety for Suncor Energy's Operations and Logistics business.    

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 or throwing her weight around at Full Metal CrossFit.

Ciara De Jong, Vice-President/Treasurer

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. 

Brian Bobbie, Chair

Brian Bobbie,

Brian is currently Chair of our Ontario Section Board, and our past Treasurer. He is also Chief Operating Officer of CHAR Technologies Ltd., a publicly traded cleantech technologies & environmental firm based in Toronto, Ontario, with senior responsibility for corporate operations and resources. CHAR’s clients include major food & beverage, waste processing, steel, automotive, aerospace, and general manufacturing industrial firms across Canada and internationally (Symbol TSXV: YES).

Brian is also President of Altech Environmental, CHAR’s environmental consulting engineering and technology subsidiary, comprised of 20 senior engineers, scientists and support staff.

Brian received his degree in chemistry and physics from the University of Waterloo in 1978 and has more than 35 years of technical and business experience in environmental science, engineering consulting and management. Brian is a registered Chartered Chemist and a current and previous director and officer on several environmental association boards.

Rob Stevens, Vice-Chair

Rob Stevens,

Robert is a Principal of HGC Engineering, a consulting engineering firm specializing exclusively in noise, vibration and acoustics.  Over the past thirty 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.


Allison Barrett, director

Allison Barrett,

Allison is an air quality and climate change consultant with GHD Limited, based in Toronto. Allison has over 20 years of experience in air quality studies and more than 5 years of experience in climate risk and vulnerability assessments. She has been lucky enough to work on air quality and climate change risk and vulnerability studies for facilities around the world, including manufacturing, mining, power generation, waste management, transportation, and others.

Allison is also a subject matter expert in the field of air emissions and the health effects of air transportation and volunteers with the Transportation Research Board in the US by participating in, and chairing, research oversight panels run by the Airport Cooperative Research Program. Her work for the TRB focuses on studies regarding air quality and human health issues related to airports and commercial rocket ship emissions. Previously, she contributed to the development of Airports Council International’s greenhouse gas emission inventory tool for airports (ACERT).

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.

Petr Chocensky, Director

Petr Chocensky,

Petr is a project consultant with HGC Engineering, a consulting firm specializing exclusively in noise, vibration and acoustics.

His area of expertise includes environmental noise assessments and development of noise control recommendations for industrial facilities, infrastructure projects, building acoustics, and large-scale noise mapping using computational acoustic modelling. He has substantial experience with preparing supporting documentation for the approval/registration process of the Ontario Ministry of the Environment and Climate Change and has completed hundreds of noise assessment reports for that purpose.

Hamish Corbett-Hains, Director

Hamish Corbett-Hains,

Hamish is an Associate and Professional Engineer at Dillon Consulting with eight years of experience specializing in air quality assessments.  Hamish has worked on numerous air quality permitting assessments in Ontario, British Columbia, Alberta, and Manitoba, with a focus on industrial compliance, transportation design, greenhouse gas quantification, and land-use compatibility.  Hamish has been a member of the Ontario Section for seven years and has sat on the board since 2017.  Hamish is also a member of the core practitioners group who meet with the Ontario Ministry of the Environment, Conservation and Parks to provide feedback and guidance on the changing nature of environmental regulations in Ontario.

John Georgakopoulos, Director

John Georgakopoulos,

John Georgakopoulos, B.Sc. (Hons.), M.Sc., LL.B., is a Partner at Willms & Shier Environmental Lawyers LLP and is a Certified Specialist in Environmental Law by the Law Society of Ontario. John resolves complex environmental legal issues for clients, uniquely drawing on his technical knowledge as a former senior environmental scientist with Ontario’s environmental regulator. John has particular expertise advising property developers, REITs, industrial manufacturers, and municipalities about managing environmental risks and liabilities associated with brownfields and contaminated sites. John provides strategic advice to help protect clients against corporate and personal environmental liabilities including civil claims, regulatory orders, prosecutions and fines. John is called to the Bar in Ontario and Alberta.

Melanie Hockin, Director

Melanie Hockin,

Melanie is a Senior Environmental Specialist with LEHDER Environmental Services in Point Edward.  She has over 13 years of experience in environmental consulting, advanced dispersion modelling, emission inventory development and project management.  Melanie has been the primary consultant on many highly complex ECA applications.  She has also assisted local facilities in assessing upset situations for compliance with O.Reg. 419 using advanced dispersion modelling and site specific met development.  She is a Licenced Toxic Substance Reduction Planner actively preparing and certifying plans for various industries.

Ms. Hockin has past experience in multiple stack sampling campaigns for various facilities located across both Canada and the United States as well as conducted industrial hygiene and workplace sampling programs.

In addition to her full-time work at LEHDER, she is involved with many events and charities in the Sarnia-Lambton community and enjoys spending time with her family .  Melanie has been an active member of the Air and Waste Management Association for several years and looks forward to participating as a volunteer.

Natalie Jones, Director

Natalie Jones,

Natalie is an Associate with Golder Associates Ltd. and a Professional Engineer that specializes in air quality work.  Over the past 13 years, Natalie has been involved in numerous air quality projects that include air emissions inventories, dispersion modelling, fugitive dust assessment and management plans, air monitoring programs, atmospheric components relating to both provincial and federal Environmental Assessments, National Pollutant Release Inventory (NPRI) and Greenhouse Gas reporting and Environmental Compliance Approval (ECA) applications, Environmental Activity and Sector Registry (EASR) registrations and ongoing compliance assessments, including Emission Summary and Dispersion Modelling (ESDM) Reports and Annual Written Summaries.  Natalie was a part of team that created the Fugitive Dust Best Management Plan guidance documents for the Ontario Mining Association. Natalie was also on the industry working group that developed the Technical Standard under O.Reg.419/05 for the Mining industry in Ontario.

Stephen Lamming, Director

Stephen Lamming,

A Principal Air Quality Scientist within Amec Foster Wheeler Environment & Infrastructure, Dr. Lamming has more than 40 years’ experience in environmental consulting and air quality management. Dr. Lamming worked with municipal, industrial and resource sector clients across Canada and internationally to conduct environmental assessments, determine emissions; prepare and execute sampling programs; assess climate impacts; conduct transport and dispersion modelling; assess community impact; develop abatement and airshed monitoring strategies; and prepare permit documentation. He has qualified as an expert witness at the Ontario Environmental Review Tribunal and the Ontario Municipal Board, and has developed and delivered professional development programs for private and public sector participants in air quality management and greenhouse gas reduction at major centres across the country. 

Brian Sulley, Director

Brian Sulley,

Brian is a Technical Director and Principal with RWDI whose air quality emissions and dispersion modelling work has benefited clients in almost every industrial and institutional sector served by RWDI.  Brian’s experience includes heavy industry such as mining, aggregate extraction, hot mix asphalt production, cement plants, pulp and paper mills, petrochemical facilities, and automotive production, through to institutional facilities such as hospitals and universities.  In addition to working directly with clients to meet air quality objectives and comply with regulations, Brian acts as a technical lead for RWDI’s Air Quality modelling group, coaching and mentoring scientists and engineers across Canada at work on a range of emissions inventory, monitoring and modelling projects. 

Brian is also an instructor at Conestoga College, teaching introductory courses on air quality and noise issues in both the Environmental Engineering Application and Environmental Building Science programs, and previously taught a similar course at Sheridan College in Brampton.  In this role, Brian has been helping encourage students to consider working in the air quality and noise engineering fields for almost two decades. 

Brian sits on the Board of the Ontario Section of the Air & Waste Management Association, and is an active member with the Ontario Environmental Industry Association.  Brian also sits on the Environment Committee of the Ontario Stone Sand and Gravel Association, providing guidance and training to members on fugitive dust management and control and regulatory compliance requirements.  These professional associations also provide additional opportunities for Brian to educate a wide audience about technical and regulatory matters pertaining to the field of air quality. 

Brian is also an active volunteer in the rowing community, coaching athletes and teaching learn-to-row programs for over 20 years.  Brian was the founding Head Coach for the University of Guelph Rowing program in 2000, and spent 10 seasons as Head Coach before retiring to the role of assistant coach, a role in which he continues to serve today. 

In his spare time, Brian spends his time renovating a century home, woodworking, cooking, hiking, fishing, and taking epic road trips with his family.

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 a Senior Specialist at ArcelorMittal Dofasco.  Julie has over 17 years of experience, with 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 as Chair of the Professional Engineers of Ontario Hamilton-Burlington Chapter.  She is currently coordinating the A&WMA Breakfast Series – if you have any content suggestions, please throw them her way.

Christina Wright, DIRECTOR

Christina Wright,

Christina Wright is a partner and Senior Environmental Scientist at BCX Environmental Consulting with over fifteen years of experience in both environmental consulting and in industry.  Christina’s primary strengths lie in interpreting legislation, representing BCX’s key clients in stakeholder discussions, and providing information and guidance to clients to help them effectively implement and manage change.  Christina is an Environmental Professional certified in the disciplines of air quality, waste management, and environmental health and safety.

Tony van der Vooren, A&WMA International

Tony van der Vooren,
A&WMA International

Tony established Vooren Air Quality Management Services (VAQMS) in early 2017 after 35 years as a senior environmental consultant with two large engineering and environmental companies (Amec Foster Wheeler and SNC-Lavalin).

He is involved in environmental issues in all industrial sectors and works with all levels of government on policy and implementation issues. His expertise includes air quality issues, industrial air pollution control, permitting, regulatory review, environmental assessment and impact modelling. 

Through VAQMS, he is actively involved on various environmental committees with industry (CME, OFIA, OMA), with Professional Engineers Ontario (PEO) (ESDM Professional Practices Committee) and he continues to be the co-chair of the “practitioners group”, providing advice and guidance to the government on environmental air programs.

He is a licensed Professional Engineer in Ontario and is also a QEP (Qualified Environmental Professional). He is also Toxic Substance Reduction Planner licensed with MOECC.  He is a Fellow Member of the Air & Waste Management Association in recognition of his work in the environmental profession. Tony was the President of the international association in their centennial year (2007) and remains very active both locally and internationally with the Association.