The NLB had seven members. Three members represented labor: American Federation of Labor (AFL) president William Green; United Mine Workers of America president John L. Lewis; and Leo Wolman, formerly director of research for the Amalgamated Clothing Workers of America and chairman of the Labor Advisory Board of the NRA. Three members represented industry: General Electric president Gerard Swope; Louis Kirstein, the vice president of Filene's of Boston (a department store); and Walter C. Teagle, president of Standard Oil of New Jersey. The chairman of the NLB was United States Senator Robert F. Wagner.