Jason Alexander is an American actor, comedian, and director. He was born on September 23, 1959, in Newark, New Jersey. Alexander is best known for his role as George Costanza on the television sitcom "Seinfeld," which aired from 1989 to 1998. He won several awards for his performance on the show, including a Primetime Emmy Award for Outstanding Supporting Actor in a Comedy Series. In addition to his work on "Seinfeld," Alexander has appeared in several films and television shows, including "Pretty Woman," "Shallow Hal," and "Curb Your Enthusiasm." He has also worked as a director and producer, and he has directed episodes of television shows such as "Seinfeld" and "Mike & Molly." Jason Alexander is known for his comedic talent, his distinctive voice, and his ability to bring humor to even the most mundane situations. He has been praised for his versatility as an actor, and for his ability to create memorable characters that audiences can relate to.