M
- MacCarthy, Sarah
- Maciol, Jocelyn
- Madrigano, Jaime
- Maglione, Margaret A.
- Mallon, Molly
- Mallory, King
- Manville, Catriona
- Marcellino, William
- Marcinek, Krystyna
- Mariano, Louis T.
- Marjanovic, Sonja
- Markel, M. Wade
- Marler, Timothy
- Marquis, Jefferson P.
- Marquis, Susan L.
- Marrone, James V.
- Marsh, Terry
- Martin, Kevin
- Martin, Laurie T.
- Martin, Linda G.
- Martin, Nicholas
- Martini, Jeffrey
- Martino, Steven
- Martsolf, Grant R.
- Mason, Richard
- Massicot, Dara
- Mastbaum, Jason
- Master, Benjamin K.
- Mathews, Megan
- Matsumura, John
- Matthews, Luke J.
- Matthews, Miriam
- Mayberry, Paul W.
- Mayer, Lauren A.
- Mazarr, Michael J.
- McBain, Ryan K.
- McBirney, Samantha
- McClintock, Bruce
- McCollester, Maria
- McCombs, Jennifer Sloan
- McConnell, Bear
- McCowan, Claudia L.
- McCowan, Claudia L.
- McDonald, Tim
- McEachin, Andrew
- McGarvey, Ronald G.
- McGee, Michael
- McGovern, Geoffrey
- McIntosh, Molly F.
- McKay, Shawn
- McKernan, Megan
- McNerney, Michael J.
- Meadows, Sarah O.
- Meijer, Erik
- Meili, Robin
- Mendel, Peter
- Mendoza-Graf, Alexandra
- Menthe, Lance
- Meredith, Lisa S.
- Metz, David
- Meyer, Amanda
- Meyers, Sophie
- Midgette, Gregory
- Migacheva, Katya
- Mihaly, Kata
- Mikolic-Torreira, Igor
- Miles, Jeremy N. V.
- Miller, Benjamin M.
- Miller, Candice
- Miller, Laura L.
- Mills, Patrick
- Miro, Michelle E.
- Mitch, Ian
- Mizel, Matthew
- Mondschein, Jared
- Moore, Pauline
- Morikawa, Jamie
- Morley, Katherine I.
- Moroney, Jennifer D. P.
- Morral, Andrew R.
- Morris, Lyle J.
- Motala, Aneesa
- Mouton, Christopher A.
- Mueller, Erik Ervin
- Mueller, Karl P.
- Muggy, Luke
- Mulcahy, Andrew W.
- Mullen, Kathleen J.
- Muravska, Julia
- Myers, Diana
