NEW YORK--(BUSINESS WIRE)--Medidata (NASDAQ:MDSO), the leading global provider of cloud-based solutions for clinical research in life sciences, today announced that Bryan Spielman, executive vice president, will present at the Jefferies 2015 Global Technology, Media & Telecom Conference on May 13, 2015, at 2:30 p.m. ET in Miami. A live audio webcast will be available on the “Investor” section of Medidata’s website at http://investor.mdsol.com. Please visit the website at least 15 minutes pr