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YCS helps people get outside and promotes awareness, appreciation, and understanding of the Yukon’s ecosystems.


YCS supports the conservation and protection of Yukon wild places.


YCS supports humane, sustainable and responsible management of wildlife.


YCS is a watchdog for industrial development and researches smart solutions for our territory.


Coral Voss: Executive Director (email:


Coral brings to YCS an interdisciplinary research background refined during her studies at UBC in Conservation Biology and Anthropology. She further advanced her studies while completing her education at York University earning her Master’s in Environmental Studies and Master’s diploma in Environmental/Sustainability Education. Her research has been focused on climate change, environmental holism, knowledge co-creation and relational bridging between knowledge systems. Prior to coming to YCS, she was the Executive Director of the Arctic Institute of Community-Based Research. Coral also brings more than 20 years of administrative experience to her role at YCS. In addition, she is a Sessional Instructor at Yukon University. Coral spends her free time walking her dogs, painting, gardening, gaming with her daughter and designing her future tiny house.


Debborah Donnelly: Director, Outreach and Communications (email: cell (867) 334-8131

B.Sc., M.A. in Archaeological Sciences

Debborah has a diverse career background that includes Environmental, Emergency and Security Management working in a variety of sectors (government, heritage, mining, energy, military, non-profit). She has worked extensively both across Canada and internationally. In addition to her degrees in archaeology (U of T), she has a certificate in Decision Making for Climate Change (UBC) and a post-graduate diploma in World Heritage Conservation (University College Dublin). Her prior experience in the Canadian Arctic was as the Environmental Coordinator for NorthwesTel. Debborah grew up in northern B.C. and enjoys the outdoor lifestyle found in the Yukon. In her time off she can often be found cycling, gardening or hiking.


Lewis Rifkind: Mining Analyst (email:
B.Sc. in Civil Engineering

Lewis’ engineering background equips him well to produce recommendations for reducing environmental impacts of mining projects, and oppose mining projects with impacts that cannot be mitigated. Prior to becoming YCS’s Mining Analyst he was the Energy Analyst from 2000 to 2008. Lewis addresses environmental impacts associated with urban sprawl and general industrial development in the Yukon. Prior to his involvement with YCS, Lewis worked with the Raven Recycling Society dealing with public education campaigns around waste management. He has also worked with the Northern Climate ExChange at Yukon College developing community climate change adaptation plans. Lewis can be found most mornings holding court in the trendier downtown Whitehorse coffee shops.


Sebastian Jones: Fish, Wildlife & Habitat Analyst (email:

Sebastian has been a member of the Dawson Renewable Resources Council and a Community Steward for the Yukon Fish and Wildlife Management Board. He has also worked for the Northern Climate ExChange and the Tr’ondëk Hwëch’in First Nation. Sebastian was a Director of the Conservation Klondike Society from 2005 to 2009, and was on the board of YCS until becoming the Peel Watershed Coordinator in 2011. He then became one of YCS’s Energy Analysts, commenting on government policy related to energy, oil and gas, and climate change. He is now the YCS lead on fish, wildlife and habitat issues, including land use planning, wetlands protection and land use policies. Sebastian also  keeps our membership informed through writing and media and he works on mining issues.


Joan Norberg: Administrative Manager (email:

Joan comes from a farming background and is part owner of Grizzly Valley Farms. She brings to YCS experience in retail sales and non-profit societies, as well as having a background in bookkeeping and financial management. In the past she has been part of the Fireweed Community Market as a vendor selling crafts, preserves and farm produce as well as a board member from 2005-2013. For years growing and selling food has made her aware of how delicate our food systems are and she does what she can to live sustainably. She has written for What’s Up Yukon about her farming experiences. Joan is passionate about local food and loves to garden, with a soft spot for honeybees.


Scott Pressnail: Energy Analyst (email:

Scott brings a multi-disciplinary engineering background to the Yukon Conservation Society. Scott holds a Bachelor’s in Mechanical Engineering and a Master’s of Science in Sustainable Energy and the Environment, where he was exposed to a variety of energy technologies.  His research focused on developing tools to predict maintenance requirements for tidal stream turbines to increase their reliability. Scott has worked on the construction of run of river hydro-electric projects and enjoys working with data as a tool to develop informed decisions. His enthusiasm for the outdoors has motivated his interest in renewable energy technologies and energy management. Hobbies include spending time skiing, biking and hiking.


Tera Swanson: Membership & Communications Coordinator (MCC) (email:

Tera is joining YCS with a background in communications, marketing, and community engagement and is currently completing her MA in Environmental Practice through Royal Roads University. With an undergrad in Journalism Communications from Mount Royal University, the first chapter of her career path focused on both freelance writing and content marketing strategy in the outdoor tourism industry within Banff National Park. Living there for the better part of a decade, she was exposed to various local environmental matters which eventually inspired her to shape her career path in communications towards a sustainability focus. Tera recently worked as an Editor for the Canadian Parks Collective for Innovation and Leadership (CPCIL), shaping stories around topics ranging from ecosocial justice to human-wildlife coexistence. Having grown up in rural southern Alberta, outdoor experiences were an integral part of her upbringing and were formative in developing a connection to nature. She's happiest spending time outside, whether trail running in summer or backcountry skiing in winter. 


Eric Labrecque: ETS Project Manager (email:

Eric brings a multi-disciplinary background centered around helping northern communities reduce their reliance on fossil fuels to his role as project manager for YCS’s electric thermal storage (ETS) demonstration project. He joined us from the Northern Energy Innovation (NEI) research group at Yukon College, where he contributed his energy system modelling and communication skills to a variety of renewable energy projects across the territories. He completed his Master of Science in Mechanical Engineering from the University of New Brunswick while working with the NEI team, with his master’s thesis focused on an ETS technology that utilizes the soil beneath a building as a thermal battery. He spends his free time biking and hiking along Whitehorse’s trails, climbing the nearby mountains, playing board games with friends, and renovating his tiny house.


Clément Richard: ETS Project Assistant (email:

Clément joined us after supporting local entrepreneurs via Innovation & Entrepreneurship with Yukon University at Northlight Innovation. There, he gained experience supporting projects via funding, guidance, workshop, and creating connections in the northern network. Clément moved to the Yukon in 2018 after completing his master’s degree from Sherbrooke University, Québec, where he worked on the insertion of natural fibers in plastic matrices. He completed his engineering diploma from ISMANS, France, in Mechanical Engineering, with an extra curriculum in nanomaterial and advanced characterization from Sherbrooke University. In addition to his technical background, he is focusing on problem-solving dynamics with creative solutions and bringing ideas to their full potential.
His off work-life involves an eclectic mix of cooking, wilderness camping, manual projects, and sword fighting.


You can reach our staff by telephone at 867-668-5678.


Summer Staff

Toshibaa Govindaraj, Conservation Intern (email:

Toshibaa was born in India but has been in the Yukon since she was nine years old. She took a year off after high school to travel, but also spent some time working for a marine NGO in Honduras where she fell in love with marine biology. She is now currently pursuing a Bachelor of Science degree in Marine Biology from the University of Victoria. When she is not working, or in school she can often be found hiking, diving, or exploring. She is “super excited to be working towards conserving the treasures of the Yukon!” 


Lorijane Émond-Quéméré, Trail Guide Coordinator (email:

Lorijane is originally from the south shore of Montréal and moved to the Yukon in 2018 in search of adventure! She began her career by getting a Bachelor’s Degree in Business from HEC Montréal and subsequently working in project management in various sectors including academic, recreational and non-profit. Upon arrival in the Yukon, she worked in schools as a French language assistant, as well as an instructor for adults, which she continues to do part time. During the winter of 2021, Lorijane continued her studies by beginning a Bachelor’s Degree in Environmental Science at Université Laval, a subject she is very passionate about, and hopes to pursue in the future.  In her free time, she can be found outside hiking, fishing, canoeing, and sometimes just relaxing with a book. She is also an avid yogi and is in the process of getting a yoga teaching certificate.


Vincent Boisclair, Trail Guide

Vincent carries a community organization background based on mobilization and project management for environmental justice. His aptitudes were developed through his community involvement, his studies for his bachelor’s in environmental studies from Sherbrooke University and his certificate in community organization from Montreal University. Those fields connect his deep beliefs for empowering people to get into action and put them in contact with their local environment. When he is off work, you might see him walking on a slackline, hitting a trail on his mountain bike, volunteering somewhere in town, or just sitting on the side of Yukon River writing poetry in his notebook.

Anna Tölgyesi, Trail Guide

Anna has been a Yukoner for the past 10 years after residing in four different Canadian provinces, and Arizona, with her family. Since her experience through the local Wood Street School programs, she has loved learning through exploration while connecting with the outdoors. After graduating from École Émilie-Tremblay and a year of work and travel experiences, Anna is currently studying towards a Bachelor of Science degree in Biology and Earth & Atmospheric Sciences. Through these studies and her strong presence in the Francophone community here in the Yukon, Anna describes herself as a young leader with a love for nature and its conservation. In her free time, she enjoys volunteering, spending time outdoors and cooking.

Annie Li, Trail Guide

Annie has lived in the Yukon for nearly her whole life and is currently attending high school at Porter Creek Secondary. She found her love for the outdoors after attending several Wood Street programs and is passionate about exploring and educating others about the environment. While Annie loves doing conservation work, she is working to pursue a career in the medical field and is currently applying for universities! In her spare time, she enjoys playing the piano, volleyball, and running.

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