Margaret Bream

Margaret is a writer, editor and photojournalist who has worked at the Toronto Star for almost 20 years. She writes and takes photos for her column, Wild in the City, which appears in the Star’s Insight section on alternate Sundays and appears online. 



Da Silva

Danielle Da Silva, BSc., MSc

Danielle is co-founder and CEO of Photography Without Borders.  She is a scholar, activist and acclaimed photographer and director from Toronto. Danielle registered Photographers Without Borders (PWB) as a not-for-profit organization in Toronto at the age of 21. The work of PWB seeks to not only donate photography and video to grassroots organizations that need it, but to raise awareness about organizations that many have never heard of, expand limited narratives about people and places, and shed light on some of the good in our world so we can have wider perspectives without leaving our living rooms.




Rob Keen

Rob Keen, RFP

Rob Keen is the CEO of Forests Ontario.  He is a Registered Professional Forester with over 30 years’ experience in government and private consulting. Rob has been with Forests Ontario (formerly Trees Ontario) since 2003 and assumed the role of CEO in 2011. During his time at the helm, many partnerships have been formed including one with the Ontario Urban Forest Council, leading to the development of Heritage Tree Program.  Rob is past President of the Ontario Forestry Association and currently teaches Forest Ecosystem  management at Trent University. 




Philip van Wassenaer

Philip van Wassenaer, BSc, MFC 

Philip is the Principal Consulting Arborist and Founder of Urban Forest Innovations Inc.  As a certified arborist and urban forestry consultant with over 20 years of experience, he has built a reputation for excellence in research, professional ethics and innovation.  Philip is a leading expert in Conservation Arboriculture, an ecosystem approach to understanding and working with trees.  With extensive local and international experience, he works on diverse projects related to urban forest management and planning.  In 2009, Philip was awarded the “True Professional of Arboriculture” award by ISA in recognition of his achievements towards advancing the practice of arboriculture and his commitment to public education and promotion of the latest developments in arboricultural science.




Adria Vasil

Adria is an environmental journalist and the bestselling author of the Ecoholic book series. She has been writing the weekly Ecoholic column for Toronto's NOW Magazine for over a decade. She grew up under giant oaks and considers any time spent with trees a mini-meditation.





Carol Walker, RPF 

Carol Walker is a Registered Professional Forester and graduate of the University of Toronto, Faculty of Forestry.  She has spent over 27 years working for the City of Toronto in the Parks, Forestry and Recreation Division. Carol specializes in urban forestry and focused early in her career on forest management, habitat protection and restoration.  In her current role as Manager of Forestry Policy and Planning, her portfolio includes responsibilities for long term planning, policy development, customer service and communications.  Carol is a former president of the Ontario Forestry Association and is a firm believer in education that raises awareness of the value of trees and forests for all the benefits they provide.