Medidata , the leading global provider of cloud-based solutions for clinical research in life sciences, today announced that it will release its second quarter 2015 financial results before the open of the market on Tuesday, July 21, 2015. Tarek Sherif, chief executive officer, and Rouven Bergmann, chief financial officer, will also hold a conference call at 8:00 a.m. ET for investors and analysts to discuss the Company's results and business outlook.