Sheldon David Engelmayer (Hebrew: שמאי; born July 26, 1945) is a full-time pulpit rabbi at the Temple Israel Community Center, an egalitarian Conservative synagogue in Cliffside Park, New Jersey.

[1][2] He is the author of eight nonfiction books on topics ranging from corporate irresponsibility in the A.H. Robins Company's Dalkon Shield intrauterine device case, to biographies of public figures, including Hubert Humphrey and Martha Mitchell.

[9][5] His own investigative work writing about the American natural gas shortage in the Seventies won him the Thomas L. Stokes Award for National Reporting, Washington Journalism Center.

He left in 1991 and took a post as director of communications for the Jewish Theological Seminary in New York City,[18][19] where he also renewed his rabbinical ordination, preparing him for his pulpit position.

[5][21][22][23] In 1981, he and his frequent writing partner, Robert Wagman, NANA's Washington, D.C., bureau chief, produced a documentary called The Making of Lion of the Desert,[24] a film about pre-WWII fascist Italy, starring Anthony Quinn, Oliver Reed, and Rod Steiger.