David came to EMC 2005 in its acquisition of SMARTS. At SMARTS, he devised and implemented the lastest version of its automated root cause analysis algorithm. David received his Phd in Computer Sciences from Columbia University in 1997. 4 years experience in product security assessment and architecture for EMC applications. David Ohsie works on authentication and security architecture for a number of software applications produced by the Advanced Storage Division of EMC Corporation. David has also worked RESTful application architectures across a number of EMC products.