Arn Herschel Tellem (February 21, 1954) is a sports agent best-known for his representation of basketball and baseball players. He is the principal of WMG Management, a part of the Wasserman Media Group headed by Casey Wasserman. From 2009-2010 he wrote a semi-weekly sports column for The Huffington Post. He has also written for the Op-ed page of The New York Times.