Leonard Gang was born in New York in 1935. Leonard graduated New York University School of Law in 1961. He moved to Las Vegas to clerk with the Nevada Supreme Court. Both Len and his wife Bobbie grew up with Jewish traditions in New York and became members of Temple Beth Sholom upon moving to Las Vegas. Len is a Navy veteran, former Deputy District Attorney (1965-1966), District Court Judge, Clark County (1971-1974), accomplished criminal and civil litigator.
Temple Beth Am was a Jewish Reform congregation founded by Rabbi Mel Hecht in 1984 in Las Vegas, Nevada. In 1992, some members of the congregation, unhappy with Rabbi Hecht's leadership, broke off to form Congregation Adat Ari El. Construction on Beth Am's campus began in Summerlin in 2001. In 2007 Temple Beth Am and Adat Ari El merged to form Temple Sinai.