Setti D. Warren served as Mayor of Newton, Massachusetts from January 1, 2010 to January 1 2018. He was the first African-American to be a popularly-elected mayor in Massachusetts. After graduating from Boston College, he began an extensive career in public service, serving as special assistant in the White House Office of Cabinet Affairs for President Bill Clinton; as New England director of the Federal Emergency Management Agency; and as deputy state director for Senator John F. Kerry (D-MA). Prior to running for mayor, Mayor Warren completed a yearlong tour of duty in Iraq as a naval intelligence specialist. He served on the advisory board of the United States Conference of Mayors, chairing the organization's community housing and development committee. Mayor Warren is also a life member of The Council on Foreign Relations and a board member of Discovering Justice. He is currently the Executive Director of the Shorenstein Center on Media, Politics and Public Policy at the Harvard Kennedy School.

Jelani Cobb joined the Columbia Journalism School faculty in 2016 and became Dean in 2022. He has been a staff writer at The New Yorker since 2015. He received a Peabody Award for his 2020 PBS Frontline film Whose Vote Counts? and was a finalist for the Pulitzer Prize in Commentary in 2018. He has also been a political analyst for MSNBC since 2019.

Adam Serwer is a senior editor at The Atlantic, covering politics. He has previously worked for BuzzFeed News, MSNBC, Mother Jones and The American Prospect.

Tara Shannon McKelvey is a White House reporter for the BBC and a former correspondent for Newsweek/The Daily Beast. She has reported on topics which include national-security issues from the Middle East, South Asia and Russia.