NEW YORK--(BUSINESS WIRE)--Medidata Solutions (NASDAQ: MDSO), a leading global provider of SaaS-based clinical development solutions, today announced that Glen de Vries, president; Bruce Dalziel, chief financial officer; and Cory Douglas, senior vice president, controller, will present at the Stifel Nicolaus Healthcare Conference at 9:45 a.m. ET on September 9, 2011 in Boston, MA.