He taught for many years as an adjunct professor of political science, Queens College, City University of New York.

He served as the rabbi of Forest Hills Jewish Center in Queens, New York, starting in 1933 and remained in that position for the balance of his career, more than fifty years.

[1] He served a two-year period as a United States Army chaplain during World War Two, stationed at Camp Miles Standish in Massachusetts.

[2] Bokser was an advocate of social justice, taking a position in favor of the construction of a housing project for the poor in the middle-class community of Forest Hills.

[3] During this episode, called the Forest Hills housing controversy 1966–1972, he was in constant contact with many leading politicians and building developers.

Bokser heard Rabbi Abraham Isaac Kook speak in New York in 1924 and became an avid student and great proponent of his teachings.

(Judaism and the Christian Predicament) Rabbi Bokser was active in the Rabbinical Assembly of America, and was a member of its Committee on Jewish Law and Standards.