Nancy L. Rosenblum is a professor of ethics in politics and government at Harvard University. She co-authored the book A Lot of People Are Saying: The New Conspiracism and the Assault on Democracy.

Josh Pasek is a professor of communications and media at the University of Michigan. His areas of expertise include misinformation and misperceptions.

Brendan Nyhan is a government professor at Dartmouth College. His areas of study include fake news, fact checks and digital media literacy.

Alex Newhouse is a researcher at Middlebury College’s Center on Terrorism, Extremism and Counterterrorism, where he looks at right-wing and online extremism as well as religious fundamentalism.

Joanne Miller is a political science and international relations professor of the University of Delaware. Her areas of expertise include political psychology, misinformation and conspiracy theories.

Filippo Menczer is a computer science professor at Indiana University Bloomington and the director of the school’s Observatory on Social Media.

Phil Howard is director of the Oxford Internet Institute and author of the book Lie Machines: How to Save Democracy from Troll Armies, Deceitful Robots, Junk News Operations, and Political Operatives.

Eduardo Gamarra is a politics and international relations professor at Florida International University. He is also the director of the school’s Latino Public Opinion Forum.

Mark Fenster is a law professor at the University of Florida. He wrote Conspiracy Theories: Secrecy and Power in American Culture and The Transparency Fix: Secrets, Leaks, and Uncontrollable Government Information.