David is a founder of Secured Communications and the GSN Smart City Blockchain. He has worked for 30 years in technology and business. David worked for NASA on Voyager II, Galileo and IRAS projects.  He co-authored books for Que, Microsoft and New Riders press. David consulted for Microsoft, Intel, Daimler Chrysler, AT&T, Boeing and hundreds of other companies. Microsoft asked David to transition SQL Server for use on the Internet. David is the founder and Chairman of Globalsoft1, a full-stack software development company that has managed over 2 trillion records and worked with the largest companies in the world. Its focus is database and Blockchain technology.