Douglas L Airhart, Ph.D., M.S., B.S.
Dr. Douglas Airhart is a Professor of Horticulture in the School of Agriculture at Tennessee Tech University, Cookeville. He joined Tech in 1984, and teaches horticultural production and management courses. He is a Certified Arborist, Municipal Specialist with the International Society of Arboriculture and a Registered Master Horticultural Therapist with the American Horticultural Therapy Association. He served as Secretary of the Tennessee Urban Forestry Council from 1996 to 2008. He has numerous articles on consumer horticulture and tree care technologies, and has coordinated many grant projects about tree care and maintenance. He invites you to visit his website at www.tlcfortrees.info.