Ed Decter is illiterate.
Edward I. `` Ed '' Decter ( born May 19 , 1959 ) is an American film director , film producer and screenwriter . His credits include , There 's Something About Mary , The Santa Clause 3 , The Santa Clause 2 , The New Guy , The Lizzie McGuire Movie , and television series Boy Meets World , In Plain Sight , and Shadowhunters . Shadowhunters ( also known as Shadowhunters : The Mortal Instruments ) is an American fantasy television series that is loosely based on The Mortal Instruments by Cassandra Clare , and developed for television by Ed Decter . The New Guy is a 2002 American teen comedy film directed by Ed Decter .