E. Thomas Smiley, Ph.D.

About the Author E. Thomas Smiley, Ph.D.

Dr. Thomas E. Smiley is a plant physiologist and soil scientist at Bartlett Tree Experts' research laboratories in Charlotte, North Carolina. He has more than 30 years of experience in arboricultural research. Tina McNulty is a marketing manager at Bartlett Tree Experts where she works to promote awareness of the tree care industry and the importance of proper tree maintenance. Learn more at 877-227-8538 or www.bartlett.com.