Alex Katsnelson is an American television writer residing in Los Angeles, California. He was born in Moscow, Russia and grew up in northern New Jersey.
From (2007-2009), he worked as a writer's assistant to writers Roberto Orci and Alex Kurtzman on the movies Transformers, Eagle Eye, and Star Trek. In 2010, Katsnelson graduated from the WB Television Writers Workshop and was hired to the writing staff of the NBC television series Undercovers, where he has one episode writing credit. After the subsequent cancellation of Undercovers, Katsnelson was hired on as a staff writer on Chuck.