Council and Executive

Sarah Sternbergh, MSc.E., P.Eng.

Senior Engineers, Tetra Tech's Environmental Group

Sarah Sternbergh is a Senior Engineer with Tetra Tech's Environmental Group in Whitehorse. Sarah's life and career have been in the north and her focus and passion is creating a healthy, sustainable future for northerners. Sarah completed her bachelor's degree at Queens University in 2009 and her master's degree at Reykjavik University in 2016. Sarah's work to date has included engineering consulting, project management and geological and energy research. Sarah has been a longtime volunteer with Engineers Yukon including chairing the social committee from 2009 to 2014 before joining council in 2016.

Adam Wallace, M.Eng., P.Eng.

Vice President
Geotechnical Engineer at Tetra Tech Canada

Adam is a geotechnical engineering consultant with Tetra Tech's Arctic Engineering Group in Whitehorse. He graduated from the Geological Engineering program at UBC in 2006 and began his career as a geotechnical consultant in Vancouver, working mainly on large transportation and bridge projects. Adam first joined Tetra Tech in Whitehorse for the summer in 2013, and moved to the Yukon permanently in 2014 after returning to UBC for a Master of Engineering degree. With Tetra Tech, Adam works on geotechnical and permafrost engineering projects in communities, at active and abandoned mine sites, and for transportation and communication infrastructure throughout the Yukon. Adam has been registered with Engineers Yukon as a Professional Engineer since 2013, and joined the Council in 2021.

Kirsten Hogan, P.Eng.

Past President

Kirsten Hogan, P.Eng., is a founding partner and senior engineer at Aperture Consulting Inc., an environmental consulting firm based in Whitehorse, and a Senior Environmental Engineer at Associated Engineering (BC). She has more than 20 years of experience in environmental engineering in western and northern Canada. Her work in the environmental field has included contaminated sites management, greenhouse gas quantification, carbon footprint analysis and reduction, renewable energy planning and climate adaptation. Kirsten earned her Bachelor and Master of Science degrees in Engineering at the University of Guelph. She has served Engineers Yukon in a variety of volunteer positions since 2017. Outside of her professional career, Kirsten is an active volunteer in the Whitehorse community, and enjoys the beautiful Yukon wilderness as often as possible with her family and friends.

Dale Heffernan, P.Eng.


Mr. Dale Heffernan is a Geotechnical Engineer based in Golder’s Whitehorse office. He has eight years of experience in mining and infrastructure geotechnical engineering. Mr. Heffernan joined Golder in June 2018. After graduating from the Geological Engineering program at the University of British Columbia in 2012. He spent several years as a consulting engineer in Vancouver, BC prior to moving to the Yukon to take a position at Minto Mine. This is Mr. Heffernan’s first year on Engineers Yukon Council.

Corry Martin, P.Eng.



Adam Greenwood, P.Eng.


Adam Greenwood is a municipal engineer who works on a variety of community infrastructure projects. He graduated from the University of Alberta in Chemical Engineering in 2007 with the intention of focusing on water treatment systems. It wasn't long before he realized just how much he loved supporting communities with their infrastructure needs and rubbing shoulders with planners. Before moving to Whitehorse in 2015, Adam lived and worked throughout BC and Alberta. His move north was in pursuit of more appealing and satisfying work. In 2019, Adam started his own Whitehorse based engineering consulting company where he continues to pursue his passion of being of service to the communities of the north.

Nikolett Kovacs, M. Eng., P.Eng.


Nikolett is the Mine Reclamation and Sustainability Lead with Ensero based in Whitehorse. She has 11 years of work experience within the mining industry. Her experience covers an array of technical areas including sustainable mining practices, geoscience, integrated mine closure, climate adaptation and renewable energy planning, and environmental permitting. Nikolett's passion lies in making mining and our natural resources more sustainable for the future and implementing development and operation plans, legislation, and practices around sustainable exploration, mining and integrated mine closure. Nikolett has a Master of Mining Engineering and a Master of Geological Sciences both from the University of British Columbia.

Nancy Meagher

Councillor (Public Member)

Nancy Meagher has over 25 years of professional work experience in a variety of public and private organizations - in the Yukon, across Canada and internationally, including 6.5 years in four different Director positions in the Government of Yukon. For four years she worked as the regulator (registrar or superintendent) for the government-regulated professions and agencies in the Yukon - 25 types of professionals and 8 types of corporations. She is currently an independent consultant.

Aparna Verma, P. Eng.





Richard Trimble, P. Eng.


Mr. Trimble is a Principal Consultant with Tetra Tech Canada in Whitehorse YT, specializing in geotechnical and permafrost engineering. He has over 45 years of experience including 42 years as Senior Engineer and Office Manager for Tetra Tech's Yukon Region. As Office Manager for 33 years, he was responsible for technical quality control, as well as planning and administration of the staffing, financial, and organizational resources for the office. In his current role as a Principal Consultant, he continues to undertake site evaluations and engineering design work; dam safety inspections; and senior review of geotechnical and permafrost engineering services provided by the YT and NWT offices. He also has a long history with Engineers Yukon, and has served as President, Newsletter Editor, Engineers Canada director, Registrar and Deputy Registrar.

Justin Pigage, P.Eng.

Senior Engineer, Crown Indigenous Relations and Northern Affairs Canada

Mr. Pigage is a geotechnical engineer with Crown Indigenous Relations and Northern Affairs Canada on the Northern Contaminated Sites Program. Justin grew up in Yukon, graduated from the University of British Columbia in 2008, and returned home to work as a consulting engineer until joining the federal government in 2017. He has been a member of the Engineers Yukon history committee since 2017.




Christopher Dixon, FEC, P. Eng.

Engineers Canada Director

Engineering Manager, Crown Indigenous Relations, and Northern Affairs Canada

Chris is Anishinaabe, originally from Sault Ste. Marie, Ontario on the north shore of Lake Superior. In 2003, he graduated from the University of Waterloo with a degree in Civil Engineering. After graduation he moved to Edmonton, Alberta and spent 5 years as an engineering consultant working in Canada's north, mostly in the Northwest Territories and Nunavut. In 2007, he moved to Whitehorse, Yukon and continued working as a consulting engineer until 2010.

He has spent the last 15 years of his career working for the federal government in the department of Crown Indigenous Relations and Northern Affairs. Chris has held several titles, but primarily has been working on the remediation of abandoned mines in Yukon. As an engineering manager, he leads a team of engineers and scientists working towards the cleanup and remediation of several abandoned mines across the territory.

After moving to Whitehorse, Chris got involved with Engineers Yukon. He is a long-standing volunteer, joining the organization in 2008. He spent 4 years as a Councillor, 5 years as Secretary-Treasurer, 2 years as Vice-President, 2 years as President, and 2 years as Past-President of the organization. Chris also volunteers in his community as a minor hockey coach and enjoys playing hockey, skiing, camping, and hiking with his wife and 3 children.


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