Who We Are & What We Do

THE INTERNATIONAL SOCIETY OF ARBORICULTURE (ISA) enjoys a rich heritage as a scientific and educational organization with a primary mission to disseminate information and knowledge in the care and preservation of trees. The Ontario Chapter sits consistently at 800-900 members, while the international membership is over 22,000, divided into almost 50 chapters and associate organizations worldwide – the world's largest such organization. There are currently over 1300 ISA Certified Arborists in Ontario and more than 31,000 worldwide.

We are involved in many major projects and legislative initiatives throughout the province relating to best industry practices, arborist education and training, and public education and awareness. Our membership is diverse, from commercial, municipal, educators, students and utility arborists to landscape contractors, landscape architects and grounds managers. With this diversity comes different and sometimes conflicting points of view, all of which contribute to the strength of ISA Ontario. Central to all of this stands the tree, the focal point of our membership.

President: John Stewart
Vice President: Ken Gillies
Past President: Mike Watson
President Elect: Julie Tucker
Treasurer:  Arthur Beauregard
Executive Director:  Rebecca Lord

Mike Raaymaker
Dr. Adrina C. Bardekjian
Kim LaFramboise
Eric Batty
Mandy Vandenberg
Steve Robinson

Murray Potts

To contact directors or committee chairs, please get in touch with the ISAO office by email or phone at 1-888-463-2316. The board meets six times a year, holds conference calls whenever needed, and has regular correspondence via email.

List of board committees... 
One page overview providing general information about the ISAO Chapter...
ISA Ontario Policies & Procedures
ISA Ontario Bylaws

Our mission is to enhance and promote the care and benefit of trees for present and future generations in Ontario through education, research and awareness.