Union organizer for the United Electrical, Radio and Machine Workers of America (UE), Oil, Chemical, and Atomic Workers International Union, and Federation of Retired Union Members (FORUM).
Trade union leader and international representative for the International Alliance of Theatrical Stage Employees (IATSE). President of the Motion Picture Alliance for the Preservation of American Ideals and vice-chairman of the Council Against Communist Aggression.
Union organizer and president of the United Electrical, Radio, and Machine Workers of America (UE) Local 1414. President of the California Congress of Industrial Organizations (CIO) and member of the Communist Party.