After Alinsky died in 1972, Edward T. Chambers became the IAF's executive director. Hundreds of professional community and labor organizers and thousands of community and labor leaders have been trained at its workshops. Fred Ross, who worked for Alinsky, was the principal mentor for Cesar Chavez and Dolores Huerta. Other organizations following in the tradition of the Congregation-based Community Organizing pioneered by IAF include PICO National Network, Gamaliel Foundation, Brooklyn Ecumenical Cooperatives, founded by former IAF trainer, Richard Harmon and Direct Action and Research Training Center (DART).