NEW YORK--(BUSINESS WIRE)--Medidata Solutions (NASDAQ: MDSO), a leading global provider of SaaS-based clinical development solutions, today announced that Tarek Sherif, chief executive officer, and Bruce Dalziel, chief financial officer and executive vice president, compliance, will present at the Jefferies 2011 Global Technology, Internet, Media & Telecommunications Conference at 4:30 p.m. ET on May 12, 2011 in New York, NY.