Our Board of Directors

Peter Wynnyczuk, Executive Director


Janani Sivarajah, President

Peter W.


Peter has been involved in Urban Forestry for over 30 years at the municipal level and is the previous president of the Ontario Shade Tree Council (now the OUFC!). He has also been supportive of Arborist-related committees and activities. Peter is the retired urban forest supervisor with the Town of Richmond Hill.


Janani Sivarajah, MFC, Ph.D. is an urban forest ecology, urban greening, and plant biology researcher, educator, and consultant. Her transdisciplinary research explores the environmental services of urban trees for human well-being, including UV protection and mediation of ultraviolet exposure by urban trees. Over the years, her research focus has broadened to manage and find greening solutions to improve urban areas for people. She enjoys public engagement, science communication, and hiking through the woods. She is an Adjunct Professor and Postdoctoral Fellow at the Environmental Research Sustainability Centre, Brock University, and Vineland Research and Innovation Centre. She is a member of the Toronto Cancer Prevention Coalition, Shade Policy Steering Committee, and Lecturer at the Graduate Department of Forestry, University of Toronto.


Barbara Yaroski, Vice-President


John Barker, Director


Barb brings a horticultural perspective to the OUFC from her background as a Garden Centre Sales & Production Manager and as Project Estimator of Wetland and Upland Restoration Projects.


John is currently an Urban Forest Health Specialist at BioForest, where his focus is on forest health and invasive species monitoring, i-Tree studies, and urban forestry consulting. He is an ISA Certified Arborist with TRAQ and Oak Wilt qualifications, and a Certified Butternut Health Assessor. He is a graduate of the Master of Forest Conservation program at the University of Toronto and has a background in botany, urban forestry, and social science. John has previously worked for the Elora Environment Centre, the Department of Natural History at the Royal Ontario Museum, and the Toronto and Region Conservation Authority.


Sadia Butt, Director


 Justin Gaudon, Director

Sadia Butt is a Ph.D. candidate at the Faculty of Forestry at the University of Toronto, Canada. Her research focuses on the role of resident groups in urban forest governance. She has worked in urban forestry for the last 25 years as a practitioner, in forest ecology; as a researcher, investigating community engagement; and as a volunteer raising urban forest awareness through environmental education. She is also a co-editor of the book “Urban Forests, Trees and Greenspaces: A Political Ecology Approach”.      


Justin is a Postdoctoral Fellow at the University of Waterloo and rare Charitable Research Reserve, and an Adjunct Professor at the University of Toronto. He has a Ph.D. in Forestry from the University of Toronto, where his research focused on biological control against the emerald ash borer using parasitoid wasps. Justin’s interests are in forest entomology, invasive species, and ecosystem services, especially within urban areas, and some of his other research has explored questions related to invasive species management, insect conservation, community diversity, and plant health.


Jade Schofield, Director


Rike Burkhardt, Director

Jade is the Project Manager of Sustainability & Climate Change for the Town of Whitby. Jade brings eight years of experience working in the municipal realm (e.g., Richmond Hill, Ajax and Whitby), and her expertise ranges from developing policies and programs relating to mitigating and adapting to the impacts of climate change, enhancing and improving terrestrial ecosystems, and developing resources for increased public understanding of environmental systems.  She is a member of the TRCA Watershed Alliance as well as the current Chair of the Durham Natural Environment Climate Change Collaborate. Jade holds a Masters of Environmental Applied Science & Management from Ryerson University and Bachelor of Science from both Plymouth University, UK and Trent University, ON. She also volunteers with Forests Ontario in several capacities, including their conference board and the annual Envirothon.

Allison Craig, Director

Allison is an ISA Certified Arborist Municipal Specialist®, a Qualified Tree Risk Assessor (TRAQ), and a Registered Professional Forester in training. She completed her Masters in Forest Conservation at the University of Toronto where her research focused on developing evidence-based recommendations for the strategic management of ash trees in urban parks. She is currently the manager of BioForest’s Urban Forest Health team in Toronto where her focus is forest health and invasive species detection and monitoring. Before joining BioForest, Allison worked as a tree planter for a Toronto-based non-profit organization. Allison currently serves as the Chair of the Editorial Review Committee for City Trees, a publication produced by the Society of Municipal Arborists’, and volunteers with Project Learning Tree as a youth mentor.


Rike Burkhardt is a Registered Professional Forester with a Master’s degree in Forest Conservation from the University of Toronto. She has 20 years’ work experience across the province, from the GTA to the Far North of Ontario. Rike worked with the City of Toronto Parks, Forestry and Recreation Division for about five years. In that time, she was involved in Ravine By-law enforcement, co-authored the City’s first tree canopy study, drafted a strategic forest management plan and helped coordinate the development of the Toronto Ravine Strategy. Since then, she has been part of a consulting team completing several other urban forestry studies and strategic plans in the GTA and surrounding area. Rike’s passion includes working across disciplines to find pragmatic solutions to complex public policy challenges (and planting trees).




Kyle Berwick, Director

Kyle Berwick, NPD is an ISA Certified Master Arborist, ISA Tree Risk Assessment Qualified, Butternut Health Assessor, and graduated magna cum laude from the Niagara Parks Commission School of Horticulture. He spent nine years in the horticulture industry before transitioning into arboriculture and urban forestry in 2013 where he got his start as an Urban Forestry Consultant with Bruce Tree Expert Company. He owned and operated a private consulting business for five years before moving to the municipal sector as a Tree Protection Inspector with the Town of Oakville. Currently, Kyle is a Forest Protection Officer with the City of Burlington responsible for the administration, interpretation, education and enforcement of the Public and Private Tree By-laws including tree health and risk assessments, canopy loss compensation calculations, replacement tree tracking, issuing infractions, and tree protection plan reviews for development applications. In his spare time Kyle enjoys hiking, canoeing, kayaking and backcountry camping.

Our Advisors

Jack Radecki, Previous Executive Director from 2000-2013, Toni Ellis,  Brenlee Robinson, Bohdan Kowalyk, Peter Dmytrasz, Fran Moscall, Adrina Bardekjian, Barb Boysen, Guy Brassard, Marshall Buchanan, Andy Kenney, Sandy Smith, Teresa Matamoros, David Pearl, Michael Rosen, Richard Ubbens, Philip van Wassenaer, Marc Willoughby, Shelley Vescio, James Steenberg, David Hunt, Barb Heidenreich, Jackie Hamilton