Sean McGarvey, President, Building and Construction Trades Department, AFL-CIO

Christopher Brockmeyer, Director of Employee Benefit Funds, The Broadway League

Joseph T. Hansen, President, UFCW

Mary Kay Henry, President, Service Employees International Union

Edwin D. Hill, President, International Brotherhood of Electrical Workers

William P. Hite, General President of the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada

James P. Hoffa, General President, International Brotherhood of Teamsters

John McNerney, General Counsel, Mechanical Contractors Association of America

John "Rocky" S. Miller, Jr., Cox, Castle & Nicholson

Joseph J. Nigro, General President, Sheet Metal Workers' International Association

Terence M. O'Sullivan, President, Laborers' International Union of North America

Walter Wise, President, International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers