Expert Witness Biography

Dr. Steiner has been a faculty member at Penn State, one of the largest land-grant universities in the country, for more than 35 years. He currently is Professor of Forest Biology in the forestry program and Director of The Arboretum at Penn State, and his time is split between research, teaching, and administration. He is a Certified Forester.

His expertise involves cases where damage or neglect of trees creates hazardous circumstances, and scenarios where tree injuries and growth patterns can be used to determine the timing or cause of critical events. He has published over 150 research articles on the subjects of tree growth and physiology, and the ecology and genetics of forest populations.

Dr. Steiner has served as Chair of the Board of Directors, The American Chestnut Foundation; member of the Board of Directors of the Society of American Foresters (national); Chair of the Allegheny Society of American Foresters (regional); General Chair, Society of American Foresters National Convention; working group chair, International Union of Forest Research Organizations; member of the Board of Directors of the Pennsylvania Council of Professional Foresters; advisory committee member, Pennsylvania Department of Conservation and Natural Resources; advisory committee member, Purdue’s Hardwood Tree Improvement and Regeneration Center; and Chair, The Pennsylvania State University Faculty Senate.