Margret Asmuss | B.A. Hon., MCEd.


Margret has been the Sustainability Coordinator at the U of S Office of Sustainability since 2004. Before that, she spent many years as the Energy Projects Coordinator for the Saskatchewan Environmental Society and was also co-owner of Community Solutions Consulting, a community development consulting company. She also spent a few years on the SES board in the early 1980s. Margret received her Master’s in Continuing Education at the University of Saskatchewan. In her free time Margret gardens, plays with her dog, and tries to improve her fiddle and guitar playing. She also likes rescuing and rehabilitating abandoned and derelict garden gnomes from garage sales and flea markets.

Bob Halliday | P.Eng.

Vice President

Photo Board BobBob is the president of R. Halliday & Associates and has practised as a consulting engineer in Saskatoon for more than 15 years. He previously worked for Environment Canada and is a former director of Canada’s National Hydrology Research Centre. Company projects concern interjurisdictional water management, floodplain management, and effects of climate change on water resources. Projects have also included the preparation of state of the basin reports for the Saskatchewan River basin and for the Beaver River basin in Alberta. Bob has served on several international joint commission boards and other Canada-United States water-related entities. He is a former alternate member of the Prairie Provinces Water Board and was a founding member of the Advisory Council for international project WET, a water education initiative. Bob has recently been appointed board chair of the Partners For the Saskatchewan River Basin. Bob’s interests include water and energy matters, old building, science history, and ancient civilizations. He is in the process of trying to become more retired.

Bob Paisley | M.Sc., CPA, CMA


OLYMPUS DIGITAL CAMERABob was born in Vancouver but raised in Saskatoon. He attended the University of Saskatchewan and received his B.Comm. in 1990, 1992, and received his accounting designation in 1993. Bob is a CMA CPA currently working as an auditor with a local accounting firm. An avid reader, Bob was drawn to become involved with the SES after developing a more evolved awareness of the impact that humankind has had on the environment, and the pending consequences.

Hayley Carlson | M.P.P., B.Sc.

Board Member

Hayley has been active with the Saskatchewan Environmental Society since 2014, first as a volunteer, as a Coordinator for the Climate Friendly Zone Campaign, and most recently as Policy Coordinator and Youth Affiliate to the board. She currently participates in fundraising and policy activities with a special focus on climate change. Hayley is presently working as a User Engagement Specialist and doing research with the Global Institute for Water Security. She has a B.Sc. In Environmental and Conservation Science, a Master’s of Public Policy and previous work experience with Agriculture and Agri-Food Canada and the Saskatchewan Ministry of Environment. Hayley also is an active member of Climate Justice Saskatoon.

Ann Coxworth | M.Sc.

Board Member

Photo Board AnnAnn has been a member of the Saskatchewan Environmental Society’s board of directors for the past 30 years and continues to volunteer on research and organizational tasks. She has a bachelor’s degree in chemistry from the University of Durham, U.K., a Master of Arts from Smith College, Mass., USA, and a Master of Science in nuclear chemistry from the University of California, Berkeley. Her research experience was gained at the Lawrence Berkeley Radiation Lab in California and the Windscale Sellafield Lab in Cumbria, UK.

Sarina Gersher | B.Sc. Hon.

Board Member

Photo Board SarinaSarina grew up in Saskatoon and has been an active SES member since 2012. She completed a BSc Honours Land Use and Environmental Studies, with a focus in Physical Geography and Geographic Information Systems (GIS) from the University of Saskatchewan. She currently works as a GIS Analyst and Mapping Technician with the Meewasin Valley Authority. In pursuing her passion for the environment, Sarina volunteers with SES, Saskatchewan Eco-Network (SEN), Bus Riders of Saskatoon, Next Up, and the Saskatchewan Citizens’ Hearings on Climate Change. Over the past two years, Sarina has served as a Youth Affiliate for the SES Board of Directors. Sarina actively works for social and environmental change within her community, with a special concern for climate change.

Murray Hidlebaugh | M.Sc.

Board Member

Photo Board MurrayMurray retired after 35 years working in the recreation field. Three years were spent as a field consultant working in rural and northern Saskatchewan. Thirty- two years were spent teaching in what is now the Recreation and Tourism Department at SIAST. His background is in urban and regional planning from a recreation perspective. He was involved in dam studies at Wintego Falls, on the Churchill River, the Nipawin Dam and Codette Lake project, as well as a series of dams proposed for the Saskatchewan River. He is currently involved in working with groups who are interested in promoting land and water uses that are environmentally, socially, and economically sustainable. He is appointed to the Saskatchewan Parks and Recreation Association’s Parks Land Use committee, and to the Advocacy sub-committee. He is married and with his wife, Jeanette, operates a small tree farm just south of Saskatoon.

Rev. Margaret McKechney | M.A., M. Div.

Board Member

Photo Board MargaretMargaret was born and raised in Saskatchewan. She has a Master of Psychology from the University of Saskatchewan and a Master of Divinity from St. Andrew’s College, University of Saskatchewan, which led to careers as a clinical psychologist and minister in the United Church of Canada. She has served on boards and committees at the local, provincial, and national level. Through petitions, writings, liturgies, and activism, she has been an advocate for earth justice for decades. She is currently involved in SES, working on building codes and education for good climate practices.

 Sheri Praski | FEC, P.Eng.

Board Member

Photo Board SherriSheri Praski is an environmental engineer and the Principal of EcoStrategies Consulting. Sheri works in the environmental field and is the Executive Director of the Solid Waste Association of North America, Northern Lights Chapter. Ms. Praski worked with the City of Saskatoon for five years as the Manager of the Environmental Services Branch; with Saskatchewan Highways and Transportation for seven years; and in Environmental Consulting for a few years. She completed her Bachelor of Science in Civil Engineering at the University of Saskatchewan and is a Professional Engineer and a Fellow of Engineers Canada. Sheri is active on several environmental boards and committees.

Peter Prebble | B.B.A., M.Ed., M.S.E.M.

Board Member

Photo Staff Peter

Peter holds a Master of Sustainable Environmental Management degree and a Master of Education degree from the University of Saskatchewan. He served as a Member of the Saskatchewan Legislature for 16 years. He also served as a Saskatchewan Cabinet Minister, and in 2006-07 was the Premier’s Legislative Secretary for Renewable Energy and Energy Conservation. During the period September 2012 to August 2016 Peter was the Saskatchewan Environmental Society’s Director of Environmental Policy. He is now retired. In addition to being on the SES board, Peter serves as President of SES Solar Co-operative Ltd. He has authored and co-authored numerous publications on climate change and energy policy.

Bill Wardell | Q.C.

Board Member

board photo bill 316x212Bill is a partner in the Saskatoon law firm of Wardell Gillis. Bill and his wife, Florence, are active cattle and grain farmers on land near Floral Saskatchewan, where they live. Before entering private practice, Bill spent 15 years helping to establish the legal aid system in Saskatchewan, teaching law at the College of Law, as well as co-founding the Public Legal Education Association of Saskatchewan (PLEA). He has served a number of organizations, including the Riverbend Presbytery on behalf of the Clavet United Church, the Board of SaskTel (2005-08), as Chair of Environment and H.R. Committee, and as a member of the Governance committee. Bill served three years as president and chair of the board of the Saskatoon Co-op.

Bert Weichel | M.Sc.

Board Member

Photo Board BertBert Weichel is a lecturer in environmental studies and physical geography at the University of Saskatchewan and also a principal in the environmental consulting partnership, Johnson and Weichel. A long time board member of SES, he is also currently on the board of the Saskatchewan Waste Reduction Council and secretary of the Saskatchewan Association for Resource Recovery Corp.