Mark Harman, owner and operator is an ISA Certified Arborist and Certified Tree Risk Assessor. Mark started Stonehedge Tree Experts 30 years ago in 1981, shortly after graduation from Washington State University with a bachelor’s degree in Ornamental Horticulture and Nursery Management. He is a member if the International Society of Arboriculture and has been an active member of Plant Amnesty from its early beginnings.
In the summer of 2006 he completed the
PNW-ISA Tree Climbing Championship (TCC) at Marymoor Park in Redmond, Washington. He was the oldest competetor at the event. He didn’t win any prizes but he completed all events better than many.
In April of 2009 he completed the Tree Risk Assessors course and is now a Certified Tree Risk Assessor. Mark can help determine the Risk Potential of your trees around your living areas, helping you and your family remain safe living with trees and also help spot potential tree problems before they occur.