Mark is a Certified Arborist practicing arboriculture and urban forestry for 15 years. Mark is the San Antonio Regional Forester with the Texas A&M Forest Service. He gained field experience in Minneapolis, Auckland (New Zealand), and McAllen.
He serves on the boards of the San Antonio Arborist Association, Texas Chapter of the International Society of Arboriculture, and the Alamo Forest Partnership. He attended the University of Minnesota and Mississippi State University.