Craig Allen is the unit leader of the Nebraska Cooperative Fish and Wildlife Research Unit. He received his Ph.D. in wildlife ecology and conservation from the University of Florida in 1997, a M.S. in wildlife science in 1993 from Texas Tech University and a B.S. in biology from the University of Wisconsin-Green Bay in 1989. Craig is interested in understanding the link between land-use/land-cover change, biological invasions and extinctions. He has conducted both applied and theoretical research on the impacts and predictions of invasions.