Don't know much about him but it seems like a good hire to me.
Edit:Reading info on him yeah i definitely like this hire
In 2006, Sports Business Journal named Tellem the Most Influential Agent in Sports and The Sporting News named Tellem "Most Influential Sports Agent." In 2004 and 2005, Tellem was the only NBA player agent named to The Sporting News "50 Most Influential People in Sports Business” and was recognized as the industry’s top agent by the magazine in 2003, 2004, 2005 and 2006. In 2008, Sports Business Journal ranked him second among sports agents. Two years later Business Insider named Tellem one of the world's four "best" sports agents. In 2013, Forbes ranked Tellem the third most powerful agent in sports; and first in basketball.
He is also agent for current free agents Draymond Green and Lamarcus Aldridge
