Professional Credentials

Founded by Dr. Brian Sayers (now retired), The Tree Doctor has always embraced professionalism and the science of arboriculture. Trees, insects and diseases, as complex living organisms, are unpredictable and always changing. So to our understanding of trees and their pests. With this in mind The Tree Doctor is actively involved with numerous professional organizations that are dedicated to advancing tree-care knowledge and professionalism. These institutions include:

International Society of Arboriculture (ISA)

New York State Arborists (NYSA)

Tree Care Industry Association (TCIA)

The American Society of Consulting Arborists (ASCA)