Clifton E. Sorrell is a doctoral student in History at the University of Texas at Austin, specializing in slavery in the Atlantic world. Daina Ramey Berry is the Radkey Regents Professor and Chair of History Department at the University of Texas at Austin.

Daina Ramey Berry is the Michael Douglas Dean of Humanities and Fine Arts at the University of California, Santa Barbara. She is a scholar of the enslaved and the award-winning author/editor of books on slavery including The Price for Their Pound of Flesh, the Value of the Enslaved, from Womb to Grave, in the Building of a Nation. Follow her on twitter @DainaRameyBerry.

Erin Blakemore is an award-winning journalist who lives and works in Boulder, Colorado. Learn more at erinblakemore.com

David Blight is a teacher, scholar and public historian. A professor of American history at Yale University and director of the school's Gilder Lehrman Center for the Study of Slavery, Resistance and Abolition, he is an award-winning author of many books including American Oracle: The Civil War in the Civil Rights Era and the Pulitzer Prize-winning biography Frederick Douglass: Prophet of Freedom.

Nicholas Boston is an associate professor of media sociology​ at Lehman College, the City University of New York​.

H. W. Brands holds the Jack S. Blanton Sr. Chair in History at the University of Texas at Austin. A New York Times bestselling author of more than 30 books, he was a finalist for the Pulitzer Prize in biography for The First American and Traitor to His Class.

Rodney A. Brooks is a contributing writer at National Geographic and U.S. News & World Report, and he has written for The Washington Post and USA TODAY.

Ashley Brown is Allan H. Selig Chair in the History of Sport and Society and Assistant Professor of History at the University of Wisconsin-Madison. She is the author of [Serving Herself: The Life and Times of Althea Gibson](http://Ashley Brown is Allan H. Selig Chair in the History of Sport and Society and Assistant Professor of History at the University of Wisconsin-Madison. She is the author of Serving Herself: The Life and Times of Althea Gibson, published by Oxford University Press.), published by Oxford University Press.

Olivia Campbell is a journalist and best-selling author. Learn more about her work here.