Isabel V. Sawhill is a Senior Fellow at The Brookings Institution, where she formerly held the position of Vice President and Director of Economic Studies, among other duties. She has authored and co-authored several books, including Getting Ahead: Economic and Social Mobility in America and Updating America's Social Contract: Economic Growth and Opportunity in the New Century. The first chapter of Updating America's Social Contract provided an early radical centrist perspective, "An Agenda for the Radical Middle".
^Penner, Rudolph; Sawhill, Isabel; Taylor, Timothy (2000). Updating America’s Social Contract: Economic Growth and Opportunity in the New Century. W. W. Norton and Co., Chap. 1 ("An Agenda for the Radical Middle"). ISBN 978-0-393-97579-6.