David Boyum co-founded Landseer in 2005. He has worked as a consultant to major corporations, leading law firms, government agencies, and private investors. He has taught economics and statistics at Harvard and was a Robert Wood Johnson Foundation Scholar in Health Policy Research at Yale. He is the co-author of two books: What the Numbers Say: A Field Guide to Mastering Our Numerical World and An Analytic Assessment of U.S. Drug Policy. David holds an A.B. in applied mathematics from Harvard and a Ph.D. in public policy from Harvard's John F. Kennedy School of Government.