Paul Le Blanc is Professor of History at La Roche College (Pittsburgh), has written extensively on labor and social struggles, including A Short History of the U.S. Working Class (Prometheus Books, 1999), and the acclaimed short biography Leon Trotsky (Reaktion Books, 2015).

Bryan Palmer is Professor of History at Trent University, whose books include studies of British labor historian E. P. Thompson and U.S. Communist and Trotskyist leader James P. Cannon, and Revolutionary Teamsters: The Minneapolis Truckers' Strikes of 1934 (Brill, 2013).

Thomas Bias has served on the editorial boards of Bulletin in Defense of Marxism and Labor Standard, and is editor of the 1989 anthology Upheaval in China.