His first contact with The Living Theatre was in 1968, when, as a biophysics student at Yale University, he attended a performance in New York's Lower East Side. He joined the company in 1977. He wrote and directed many Living Theatre productions, including Anarchia, And Then The Heavens Closed, The Body of God, Capital Changes, Clearing The Streets, Code Orange Cantata, A Dream Of Water, Enigmas, The Rules of Civility, Utopia, and The Zero Method.
On April 13, 2008, he suffered a stroke, followed by pneumonia, and was in a clinically induced coma to help with his breathing. He died of pneumonia on May 3, 2008, at the age of 57. He is survived by his brother, James Reznick, of California.