Mission Statement: The Western Chapter ISA is a member driven organization dedicated to fostering a greater appreciation for trees by promoting research and education to advance the professional practice of arboriculture

Officers 2008/2009

Historical Officer Listing - 1934 to Present

Publication Order Form

ISA Members-2514 Chapter only-182 Cert Arborists-3035 Certified TW-504	ISA Members-132 Chapter only-6 Cert Arborists-186 Certified TW-9
ISA Members-359 Chapter only-12 Cert Arborists-371 Certified TW-71	ISA Members-107 Chapter only-4 Cert Arborists-165 Certified TW-49

The Western Chapter of the International Society of Arboriculture was formed in 1934. It is a nonprofit corporation comprised of over 3200 persons in Arizona, California, Hawaii and Nevada engaged or interested in the practice of arboriculture.

The Chapter strives to:

• Promote and improve the practice of arboriculture
• Stimulate greater public interest in the planting and preservation of trees for shade and ornamental value
• Promote public education to develop a greater appreciation for shade and ornamental trees
• Recommend and uphold the ISA's "Code of Ethics" established to maintain a high level of practice of those engaged in the profession
• Initiate and support scientific education of problems concerned with arboriculture and to publish the results of such investigations
• Afford the producers of materials, services and equipment of value to arboriculture an opportunity to advertise, exhibit, and demonstrate their value to arborists
• Sponsor an annual meeting and regional conferences and workshops devoted to the exchange of information and to provide Continuing Education Units for Certified Arborists, Tree Workers and Utility specialists as applicable
• Be apprised of the most progressive arboricultural information
• Network with the most active arborists in the Western States