Jason Greenspan adopted the stage name Jason Alexander while still in high school in New Jersey. He was soon appearing in Broadway plays and movies, then in the hit TV series, Seinfeld, from 1990 to 1998. Alexander also directs and produces films.
Was a 1977 graduate of Livingston High School in Livingston, New Jersey. One of his classmates was Julia Montgomery. They co-starred in numerous high school productions. Played flute and also percussion in the Livingston Lancer's Marching Band. High school acting credits include the shows "Guys and Dolls", "The Odd Couple" and "Oliver". Tony Award winner for "Best Performance as a leading actor in a musical" - Jerome Robbins' "Broadway". Has two sons, Gabriel and Noah. Parents Ruth and Alex Greenspan; half-sister Karen Van Horn, half-brother Michael Greenspan. Attended Boston University and left a year early because he was able to find acting work in New York City during the summer before his senior year. Later given an honorary degree. Two children (Gabriel, born August 1991, and Noah, born February 1996) Has an extensive knowledge of the classic original Star Trek episodes and had perfectly passed a series of Star Trek skill testing questions on Howard Stern. Which "backfired" on his Bob Patterson ABC-TV series when William Shatner guest stars on an episode and Jason Alexander's title character is traumatized. Set to teach acting on the faculty of the University of Southern California as the first-ever "George Burns Distinguished Visiting Professor in Performance" in the Fall, 2002. Started losing his hair at the age of 16. For his birthday one year, his friends took him to a diner and sat him down. They told him to close his eyes and open them when they told him. When he opened them, William Shatner, aka Captain James T. Kirk, was in front of him. Captain Kirk was Jason's childhood hero. While filming Seinfeld, was always fitted with a suit one size too small, to make his character look "uncool" Says he took on the role of Duckman because Duckman was "the anti George Costanza". Won Broadway's 1989 Tony Award as Best Actor (Musical) for "Jerome Robbins' Broadway". Being a great fan of Star Trek, he was finally given the opportunity to play a "Trek" role himself in 1999: he played the character "Kurros" in the Star Trek: Voyager episode "Think Tank". That same year, he was the host for the "Star Trek Viewers' Choice" VHS, notably for his Capt. Kirk impersonations. Celebrity Judge for UCLA Spring Sing 2005 Not only took the last name "Alexander" because of his father's first name, but it also helped him in auditions since the call backs were done in alphabetical order and thus he knew immediately if he was still in the running, or not, for parts. The only of the four main actors (Michael Richards, Jerry Seinfeld and Julia Louis-Dreyfus) from Seinfeld not to win an Emmy for their work on the show Got his start off-Broadway appearing in "Forbidden Broadway". Debuted as a "professional magician" at the Magic Castle in Los Angeles, April 30th 2006. His magic act is based on studying and predicting behavioral patterns with his subjects.