Professor Sappington is the Lanzillotti-McKethan Eminent Scholar Chair in the Department of Economics at the University of Florida, where he serves as the Director of the University’s Public Policy Research Center.

His ongoing research addresses a variety of regulatory policy issues, including the design and implementation of incentive regulation. His consulting interests cover regulatory and competition issues in the telecommunications, energy, postal, and health care sectors.

His past experience includes serving as the former Chief Economist at the Federal Communications Commission. During his tenure he worked on a variety of broadband, media, spectrum, and wireline competition issues, including reviews of proposed mergers. He has served as a Manager at Bell Communications Research and as an expert consultant for private sector clients and regulatory agencies worldwide, including the World Bank and the Antitrust Division of the US Department of Justice. He has also taught at the University of Michigan, the University of Pennsylvania, and Princeton University.

Professor Sappington has served on the editorial boards of the American Economic Review, The RAND Journal of Economics, the Journal of Regulatory Economics, and the Journal of Economics and Management Strategy. He is the author of two books and over 80 articles in leading academic journals.


Princeton University, PhD and MA in Economics

Haverford College, BA in Economics


January 27, 2016; March 24, 2016; June 28, 2016; August 9, 2016

William Zarakas, Jeremy Verlinda, David Sappington, Susan M. Gately

Declaration of William P. Zarakas Before the Federal Communications Commission In the Matter of Business Data Services in an Internet Protocol Environment, Investigation of Certain Price Cap Local Exchange Carrier Business Data Services Tariff Pricing Plans, Special Access for Price Cap Local Exchange Carriers, AT&T Corporation Petition for Rulemaking to Reform Regulation of Incumbent Local Exchange Carrier Rates for Interstate Special Access Services, WC Docket No. 16-143, WC Docket No. 15-247, WC Docket No. 05-25, RM-10593. Declaration of William P. Zarakas and Susan M. Gately (January 27, 2016); Supplemental Declaration of William P. Zarakas (March 24, 2016); Declaration of William P. Zarakas and Jeremy Verlinda (June 28, 2016, Attachment D to Comments of Sprint Corporation); Declaration of David E. M. Sappington and William P. Zarakas (June 28, 2016, Attachment E to Comments of Sprint Corporation); Further Supplemental Declaration of William P. Zarakas (August 9, 2016, Attachment A of Reply Comments of Sprint Corporation).

March 2013

Philip Hanser, David Sappington, William Zarakas

Review and Analysis of Service Quality Plan Structure. Investigation Regarding Service Quality Guidelines For Electric Distribution Companies and Local Gas Distribution Companies, Massachusetts Department of Public Utilities D.P.U. 12-120. Philip Q Hanser, David E. M. Sappington, William P. Zarakas.