Greer Barnes was born in the Bronx, New York City, where he was raised by his mother and Jewish stepfather. An integral part of his upbringing was his Bar Mitzvah at the age of thirteen, which marked a significant personal milestone. Greer exhibited exceptional athletic talent early in life, particularly in baseball, which he pursued with great passion. His skills were recognized by professional scouts, and he was scouted by the San Francisco Giants, hinting at a promising sports career. However, at eighteen, a career-ending injury forced him to pivot from his aspirations in baseball. This turn of events led Greer to follow another passion—stand-up comedy. His natural talent and unique voice quickly garnered attention, and he began headlining at clubs and colleges across the United States. His comedic career flourished and led to various commercial ventures, including work with major organizations such as the NBA and the NFL. Greer's television appearances include numerous well-known shows, such as "In Living Color," "The Late Show with Carson Daly," Comedy Central's "Premium Blend," "The Late Show with David Letterman," and multiple appearances on "Chappelle's Show." In addition to his television success, he was able to blend his passion for baseball and acting when he appeared alongside Kevin Costner in the film "For the Love of the Game." In 2009, his comedic talents were showcased in his first "Comedy Central Presents" half-hour special, further cementing his place in the world of comedy. Throughout his career, Greer Barnes has continually demonstrated his versatility and dedication, making a significant impact in both the fields of sports and entertainment.