He was the executive director of the American Council for Judaism from its founding in 1943 until he resigned in 1968 , at which time he founded American Jews for Alternatives to Zionism .
He was the executive director of the American Council for Judaism from its founding in 1943 until 1955 . 
 After this time , he served as a consultant until his resignation in 1968 , at which time he founded American Jews for Alternatives to Zionism .