sentences:  In 2012, Private Equity International ranked THL Partners 22nd of the top 300 private equity firms based on funds raised.Thomas H. Lee Partners’ team includes 21 senior partners led by Anthony DiNovi and Scott M. Sperling, who became co-presidents of the firm in 1999.The firm's namesake, Thomas H. Lee, left the firm and formed Lee Equity Partners in 2006.