Glazer was born and raised in
Huntington Station,
New York on
Long Island, in a
Jewish family alongside his older brother, Daniel Glazer, a former talent agent and now successful commercial
real estate broker in New York. During his childhood summers, he competed in many athletics at a sports camp in
West Virginia. He attended
Walt Whitman High School, South Huntington and was elected President of his class from
sophomore to senior year. He began performing in school theatre productions, competed in All-County Chorus, and played varsity tennis. His father, Roger Glazer, and mother, Evelyn Cohen, are retired high school health and
physical education teachers. Glazer attended the
University of Delaware, majoring in Mass Communications and minoring in Theatre. During his summer semesters off from college, Glazer lived in
Los Angeles and interned in the entertainment industry for talent agencies and production companies. He graduated from college with a bachelor's degree and moved to Los Angeles. He first worked as a production assistant at
Paramount Pictures on television shows including
The Trouble With Normal,
Spring Break Lawyer and
Men, Women & Dogs. Glazer later started acting. ==Career==