Don Griswold is a Senior Fellow on the State Fiscal Policy team. He is responsible for producing rigorous research-based analysis of U.S. state and local tax policy options for eradicating abusive tax avoidance and advancing inclusive prosperity.

Before changing his worldview, Don spent decades serving large multinational corporations in high-profile thought leadership positions. He worked as a Fortune 10 conglomerate’s executive tax counsel, a Big 4 accounting firm’s national partner-in-charge of its 600-person "state tax minimization" group, and a nationwide tax litigation partner with two AmLaw 100 firms. He was a prolific public speaker and taught as an adjunct professor at Georgetown University Law Center.

Don earned a B.A. in Economics, with honors, from the University of Chicago and a J.D. from Boston University School of Law.