The Certified Arborists at Mayne Tree Expert Company are experienced professionals who are trained to diagnose and treat your tree problems. The Mayne Tree Expert Company was founded in 1931 by Cambridge University forester Leslie S. Mayne, who mentored current owner, Richard Huntington, a graduate of the School of Forestry at the University of California, Berkeley. Through continuing education, our arborists are dedicated to caring for Peninsula trees using the knowledge from latest advancements in research and scientific tree care techniques.