Joseph Sirosh is the Corporate Vice President of the Data Group, leading Microsoft’s Database, Big Data and Machine Learning products. Joseph joined Microsoft in fall 2013 from Amazon.com Inc. where he was most recently the vice president for the Global Inventory Platform, responsible for the science and software behind Amazon’s supply chain and order fulfillment systems, as well as the central Machine Learning group, which he built and led. Before joining Amazon, he worked for Fair Isaac Corp. as vice president of research and development, where he led R&D projects for DARPA, homeland security and several government organizations. He is passionate about machine learning and its applications and has been active in the field since 1990. Joseph holds a PhD in Computer Science from the University of Texas at Austin and a B. Tech. in Computer Science & Engineering from the Indian Institute of Technology Chennai.