John Cimaroli is a Partner at William Blair, a leading global investment banking firm. Based in the United States, John has been with William Blair since September 2013. Prior to his current role, he served as a Principal at Rail Splitter Capital, a hedge fund, from January 2006 to September 2013. Earlier in his career, John was an Equity Analyst at T Rowe Price from January 2003 to January 2004 and an Equity Research Associate at William Blair & Co. from January 1998 to January 2001. John brings extensive experience in investment banking and asset management to his role at William Blair.