Expert witness. Competition Commission of South Africa, Media and Digital Platforms Market Inquiry. March 5, 2024.

Hearing. U.S. Senate Committee on the Judiciary Subcommittee on Privacy, Technology, and the Law. Oversight of A.I.: The Future of Journalism.

Hearing. California Senate Judiciary Committee’s “Information Hearing on Issues Facing Digital News.” Dec. 5, 2023. Testimony.

Hearing. “Tech Giants’ Current and Ongoing Use of Intimidation and Subversion Tactics to Evade Regulation in Canada and Across the World.”. Canadian Parliament’s Standing Committee on Canadian Heritage (CHPC). Dec. 5, 2023.Testimony.

Hearing on “International Human Rights and the Closing Civic Space”. U.S. House of Representatives

Committee on Foreign Affairs. Subcommittee on Africa, Global Health, Global Human Rights, and International Organizations. December 9, 2020. Testimony.

Hearing on “Human Rights at Home: Media, Politics, and the Safety of Journalists” U.S. Commission on Security and Cooperation in Europe July 23, 2020. Testimony.

Hearing. Global Freedom of Expression. Tom Lantos Human Rights Commission House of Representatives Committee on Foreign Affairs July 14, 2016. Testimony.