Otis is a social psychologist whose work focuses on the nonprofit sector, applying psychology to fundraising and donor behavior. He is the co-author of the 2017 book, Dollar Dash: The Behavioral Economics of Peer-to-Peer Fundraising and Rebuilding Peer-to-Peer Fundraising, published in 2020, and 2023's Social Fundraising: Mining the New Peer-to-Peer Landscape. Otis is a frequent speaker at national nonprofit conferences and writes a blog at NonProfit Pro, "Peeling the Onion," on the intersection of psychology and philanthropy.
Otis is a much sought-after copywriter for nonprofit fundraising messages. He has written campaigns for UNICEF, St. Jude’s Children’s Research Hospital, The March of Dimes, Susan G. Komen, the USO, and dozens of other organizations. He has a Ph.D. in social psychology from Virginia Commonwealth University and a B.A. from the University of Virginia, where he also played on UVA’s first ACC champion basketball team.