To monitor, analyse, and provide information on air quality and develop strategies to manage air quality issues within the Calgary Regional Airshed Zone.


To have air quality that is not harmful to human health or the environment.


The Calgary Region Airshed Zone (CRAZ) encompasses an area that approximately follows the boundaries of the Calgary Health Region except for the northern border which is defined by the southern border of the Parkland Airshed Management Zone (PAMZ).

The current proposed airshed boundaries include the cities of Calgary and Airdrie; the Municipal Districts of Rocky View, Bighorn and Foothills; Willow Creek, Vulcan and Wheatland Counties; the Improvement Districts of Kananaskis and Banff; and the Town of Canmore. The Siksika, Eden Valley, Tsuu T’ina, and Stoney First Nations are also located within the CRAZ area.

Board Members

David Lawlor, CRAZ Chair

Public Member 

David Lawlor is a renewable energy developer and currently Chair of the Calgary Region Airshed Zone. David also sits on the Board of Directors of the Clean Air Strategic Alliance (CASA).  He is past Chair of the Canadian Electricity Associations – Sustainable Electricity Program Advisory Committee and the Calgary Chamber of Commerce Environment Committee, and past Vice President of the Industry Caucus of CASA.

David Lawlor

Dick Ebersohn, CRAZ Vice-Chair

Manager, Climate Change and Environment

Environmental and Safety Management

City of Calgary

Paul Ryan, CRAZ Treasurer

Public Member

Paul is starting his third full term as Councillor with the MD of Bighorn, having been elected in a by election in 2002. Paul is a public member of CRAZ. A resident of Exshaw, he has been involved in many community affairs and activities, including the Exshaw Community Association, the Exshaw Community Environment Committee, and the Kananaskis Gun Club.

As a Councillor, he has served on the Subdivision & Development Appeal Board and as Chairman of the Municipal District Bighorn Historic Resource Committee and has served a one-year term as Reeve.

Currently Paul serves the Municipal District of Bighorn on the Municipal Excellence Committee, the Assessment Appeal Board, Chairman Bighorn Corridor Environment Committee, Director Bow Valley Waste Management Commission, and Vice-Chairman Southern Alberta Energy from Waste Alliance.

Paul Ryan

Ted (Edward) Sutton, CRAZ Secretary

Public Member

Ted is a retired rancher and educator in the post-secondary system, a husband to Kate and a father of two grown children. He worked at Lakeland College for 29 years where he held such portfolios as Instructor, Department Chair, International Education Coordinator and Dean of the School of Agricultural Sciences. He operated Cornerpost Consulting Ltd. until 2016, managing a wide variety of projects related to agriculture and environmental sciences, including project management for the Wood Buffalo Environmental Association.

Ted Sutton

Emily Traxel, Resource Manager

Alberta Environment and Parks

Cailee Ellis, Head of Sustainability and Environment – Western Canada

Lafarge Canada Inc. 

Cailee Ellis joins CRAZ as an industry representative from Lafarge Canada Inc. where she holds the position of Head of Sustainability and Environment for Western Canada.

Cailee brings 16 years of diverse experience across government and private enterprise to CRAZ. Over the past 6 years, Cailee has held a variety of Director appointments in Government agency; leading strategic organizational initiatives related to governance, innovation / clean technology, and climate. Prior to this, Cailee developed extensive experience in operations and regulatory/environmental affairs working in consulting, and with upstream and midstream oil and gas companies.

Cailee holds a M.Sc. in Environmental Practice, MBA in Executive Management, and an Engineering Technology Diploma in Water Resources. Cailee has also completed executive education programs in regulatory leadership, climate change, and energy policy. Cailee also volunteers as a Board Director and Vice-Chair in the non-profit sector, with an organization focused on catalyzing sustainable international development.

Lynn Que, Senior Advisor, Safe Air Program

Alberta Health Services

Lynn Que is working as a Senior Advisor for Safe Air Program at Alberta Health Services. Her primary role is addressing environmental health concerns in outdoor air quality related situations (e.g. wildfire smoke, accidental releases, industrial emission, traffic related air pollution, wood burning smoke, etc.). Representing Alberta Health Services, Lynn is currently participating in various multi-stakeholder organizations, such as Calgary Regional Airshed Zone (CRAZ), Clean Air Strategic Alliance (CASA) – Ambient Air Objectives Working Group.

Lynn Que came to Alberta in 2008 and fell in love with Alberta’s natural environment soon. She has lived in Calgary since 2010. Believing in that any small changes we make will lead to big differences, either in our life or in others’, Lynn enjoys her involvements in CRAZ as she knows what CRAZ is doing promotes healthy air quality for people living in Calgary and surrounding areas.

Lynn Que

Helen Fu, Manager Health, Safety, Environment, Regulatory

Pieridae Energy

Darcy Coombs

Bow Valley Clean Air Society 

Darcy Coombs is retired after a career in Oil & Gas Production Operations for several Canadian companies. Born and raised in Calgary, Darcy earned a Bachelor of Commerce / Management Information Systems from the University of Calgary. He has varied experience in Oil & Gas economics, Production Optimization, Performance Management and Business Intelligence. He is currently a Director of the Bow Valley Clean Air Society, a member of the Bighorn Corridor Environmental Committee and an active volunteer for Alberta Environment and Parks.

Nicole Thomas, Environmental Manager

Lehigh Hanson Materials Limited

Nicole Thomas is an Industry Board Member representative on CRAZ. She works in the gravel and concrete industry, as an environment manager with Lehigh Hanson Materials Limited (“Inland”) and manages the prairie region of southern Alberta, SK and MB. Nicole was also Chair of CRAZ Engagement Committee from 2016-19. Nicole has a Bachelor of Science degree in Environmental Science and is a certified Environment Professional from Eco Canada. She has previously worked as a provincial biologist in the east coast of Canada and environmental assessment manager with the oil and gas industry in the north. Nicole enjoys camping with her family near Calgary. 

Nicole Thomas

Shane Adam, Manager, Environment

ENMAX Energy Corporation

Mr. Shane Adam has over 20 years of experience in environment, health and safety management including ISO implementation and certification, ambient air quality monitoring, source emission monitoring and regulatory compliance.

Mr. Adam provides management and oversight of Environmental programs, ensuring compliance with EHS legislation and regulations.   He provides environment technical and regulatory support to achieve and maintain compliance and works closely with Operations to identify and address environment aspects for Generation and Thermal Energy facilities.

Shane Adam

Janice Gallwey, M.Sc.

AGAT Laboratories, AQM Division Manager, Calgary, Alberta

Janice began her employment with AGAT Laboratories in October 2012 and currently manages the Air Quality Monitoring division. In her role, she provides regulatory compliance air quality monitoring services across Canada, focusing mainly on continuous ambient air monitoring. Janice graduated from the University of Calgary in 2011 with a Master’s degree in Evolutionary Plant Ecology.

Janice Gallwey

Sean Dawson, Environmental Manager, Matrix Solutions

Public Member

Mr. Sean Dawson is an environmental engineer and has been in the Project Management and Air Quality groups at Matrix Solutions for 8 years. As well as being a project manager, he also conducts air dispersion modelling and monitoring for all sizes of facilities and provides the final review for work done by Junior Air Quality Professionals. Mr. Dawson has a passion for making air emissions and reductions understandable and accessible to the public. His current focus is on air dispersion modelling for projects in the oil and gas, electricity production and agricultural industries, GHG quantification, and project management.