Gary G. Mittelbach is Professor Emeritus at the Kellogg Biological Station and the Department of Integrative Biology at Michigan State University. He graduated with a B.A. from the University of Iowa (1974) and earned his Ph.D. at Michigan State University (1980). Dr. Mittelbach's research focuses on the evolution and maintenance of biodiversity, with research ranging from experimental studies of fish populations in local lakes to theoretical analyses of global patterns of species diversity. He is an elected Fellow of the Ecological Society of America, an original member of ISI's Highly Cited Researchers, and is the recipient of Michigan State's College of Natural Science Outstanding Faculty Award and the University's W. J. Beal Outstanding Faculty Award. Brian J. McGill is a Professor at the University of Maine in the School of Biology and Ecology and the Mitchell Center for Sustainability Solutions. He graduated with a B.A. in mathematics from Harvard University (1988) and, after working in the information technology industry for 9 years, earned his PhD from the University of Arizona (2003). His work focuses on how human-caused global change is impacting biodiversity. His work also focus on large scales and ecoinformatics approaches. He is Editor-in-Chief of the journal Global Ecology and Biogeography.