| Jennifer Macalady (Department: Geosciences) • Assistant Professor of Geosciences |
| Alan MacEachren (Department: Geography) • Professor of Geography • Didrector, GeoVista Center |
| Alan A. MacNab (Department: Plant Pathology) • Professor of Plant Pathology |
| Leslie MacRae (Department: Dickinson School of Law) • Professor of Law • Director, The Agricultural Law Resource and Reference Center |
| John Mahaffy (Department: Mechanical and Nuclear Engineering) • Professor of Nuclear Engineering |
| Carolyn Mahan (Department: Biology) • Associate Professor of Biology |
| Thomas Mallouk (Department: Chemistry) • DuPont Professor of Materials Chemistry and Physics • Co-director, Center for Nanoscale Science |
| Michael Mann (Department: Meteorology) • Professor of Meteorology • Director, Earth System Science Center |
| James Marden (Department: Biology) • Professor of Biology |
| Jonathan Marks (Department: Science, Technology, and Society Program) • Associate Professor of Bioethics, Humanities and Law |
| Matt Marshall (Department: School of Forest Resources) • Adjunct Assistant Professor of Wildlife |
| Keith R. Martin (Department: Nutritional Sciences) • Assistant Professor of Nutritional Sciences |
| Carmen Enid Martínez (Department: Crop and Soil Sciences) • Assistant Professor of Environmental Soil Chemistry |
| Jonathan Mathews (Department: Energy and Mineral Engineering) • Assistant Professor Energy & Geo-Environmental Engineering |
| Jack Matson (Department: Civil and Environmental Engineering) • Professor of Environmental Engineering |
| James McCarthy (Department: Geography) • Associate Professor of Geography |
| Marc E. McDill (Department: School of Forest Resources) • Associate Professor of Forest Resource Management |
| Robert B. McKinstry (Department: Other) • Project Collaborator, Partner, Ballard Spahr Andrews andk Ingersoll, LLP |
| Timothy W. McNellis (Department: Plant Pathology) • Associate Professor of Plant Pathology |
| Bruce McPheron (Department: Entomology) • Dean, College of Agricultural Sciences • Professor of Entomology |
| Matthew Mench (Department: Mechanical and Nuclear Engineering) • Associate Professor of Mechanical Engineering • Director, Fuel Cell Dynamics and Diagnostics Laboratory |
| David Meredith (Department: Civil and Environmental Engineering) • Associate Professor of Engineering |
| Mark Mescher (Department: Entomology) • Assistant Professor of Entomology |
| Judd Michael (Department: School of Forest Resources) • Associate Professor of Sustainable Wood-based Enterprises |
| Sharon Falcone Miller (Department: Energy Institute) • Research Associate, Energy Institute |
| Webb Miller (Department: Biology) • Professor of Biology and Computer Science and Engineering |
| Bruce Miller (Department: Energy Institute) • Associate Director, Energy Institute • Senior Research Associate Energy Fuels |
| Douglas A. Miller (Department: Geography) • Director, Center for Environmental Informatics, EMS Earth and Environmental Systems Institute • Associate Professor of Geography |
| Gareth Mitchell (Department: Energy Institute) • Research Associate, EMS Energy Institute • Director, Coal and Organic Petrology Labs |
| Michael Modest (Department: Mechanical and Nuclear Engineering) • Professor of Mechanical Engineering |
| David Mortensen (Department: Crop and Soil Sciences) • Professor of Weed Ecology/Biology |
| Arthur Motta (Department: Mechanical and Nuclear Engineering) • Professor of Nuclear Engineering • Professor of Materials Science and Engineering |
| Karl Mueller (Department: Chemistry) • Professor of Chemistry |
| Chris Mullin (Department: Entomology) • Professor of Entomology |
| Dennis J. Murphy (Department: Agricultural and Biological Engineering) • Professor of Agricultural Engineering |
| Wayne Myers (Department: School of Forest Resources) • Professor Emeritus of Forest Biometrics • Co-Director, Office for Remote Sensing and Spatial Information Resources |