PPI - Radically Pragmatic
  • Donate
Skip to content
  • Home
  • About
    • About Us
    • Locations
    • Careers
  • People
  • Projects
  • Our Work
  • Events
  • Donate

People

Diana Moss

Vice President and Director of Competition Policy

Diana Moss is Vice President and Director of Competition Policy at the Progressive Policy Institute. From 2015-2023, Dr. Moss was President of the American Antitrust Institute. An economist, her work spans the economic, policy, and legal analysis of antitrust enforcement and sector regulation, with industry expertise in digital technology, energy, agriculture, airlines, telecommunications, media, and healthcare. Before AAI, Dr. Moss served at the Federal Energy Regulatory Commission where she coordinated the agency’s merger analysis and worked on landmark rule makings. She has also consulted in private practice in the areas of regulation and antitrust.

Dr. Moss has spoken widely on various topics involving competition policy and enforcement, testified before Congress, appeared before state and federal regulatory commissions, in federal court, at industry and academic conferences, and has made numerous radio and television appearances, including on CNN, PBS, NPR, CNBC, and others. She has published articles in numerous economic and legal journals, including: American Economic Review, Journal of Industrial Organization, The Antitrust Bulletin, The Antitrust Source, Antitrust Magazine, and Energy Law Journal. She is editor of Network Access, Regulation and Antitrust, and has contributed chapters to The Structure of American Industry, and the Global Competition Review’s (GCR’s) The Guide to Merger Remedies.

Dr. Moss was named to the GCR’s Women in Antitrust in 2016 and again in 2021. She has long championed the advancement of women in the law and economics profession. In 2021, Dr. Moss was inducted into the American Bar Association Antitrust Law Section’s Hall of Fame-inism. Diana Moss was named by Washingtonian Magazine’s “Washington DC’s Most Influential People” in 2022 and 2023. She holds a M.A. degree from the University of Denver and a Ph.D. from the Colorado School of Mines. Dr. Moss is Adjunct Faculty in the Department of Economics at the University of Colorado at Boulder.

See a full list of Diana’s previous speaking engagements. Also check out her upcoming events. 

Contact Diana: dmoss@ppionline.org

Recent Work

Op-Ed  |  October 28, 2025

Moss for ProMarket: Resisting the Politicization of Antitrust and Regulation

  • Diana Moss
Publication  |  October 28, 2025

PPI’s Moss Tells Senate Judiciary Committee That High Concentration in Agricultural Input Markets Harms Farmers and Consumers

  • Diana Moss
Publication  |  October 26, 2025

Moss for CPI Antitrust Chronicle: Does Merger Enforcement Protect Consumers from the Long Term Costs of Consolidation?

  • Diana Moss
Podcast  |  October 22, 2025

Antitrust’s Critical Role in Reducing Health Care Costs For Consumers

  • Diana Moss
Publication  |  October 20, 2025

PPI’s Moss Urges DC Council Not to Regulate Resale Ticketing and Focus Instead on Fighting the Live Nation-Ticketmaster Monopoly

  • Diana Moss
Press Release  |  September 4, 2025

Court Highlights DOJ Overreach and Refocuses on Consumer Welfare in Deciding Remedies in Google Search Monopolization Case

  • Diana Moss
Podcast  |  September 4, 2025

In Competition We Trust, Episode 2: How Private Antitrust Enforcers are Protecting Consumers

  • Diana Moss
Op-Ed  |  August 20, 2025

Moss for The Hill: The Misery of Auto Tariffs is Hitting Families and Factories

  • Diana Moss

Related Projects

Consumers and the Future of Antitrust

  • Never miss an update:

  • Subscribe to our newsletter
PPI Logo
  • Twitter
  • LinkedIn
  • Facebook
  • Donate
  • Careers
  • © 2025 Progressive Policy Institute. All Rights Reserved.
  • |
  • Privacy Policy
  • |
  • Privacy Settings