ST. PAUL, Minn.--(BUSINESS WIRE)--Cardiovascular Systems, Inc. (Nasdaq: CSII), a medical device company developing and commercializing innovative, interventional treatment systems for vascular disease, will present at the William Blair 3rd Annual Emerging Growth Stock Conference on October 6 at the Waldorf-Astoria Hotel in New York. President and Chief Executive Officer David L. Martin and Chief Financial Officer Laurence L. Betterley will provide an overview of the company and its strategies for growth.