Prior to joining Stellar, Greg served in sales for Dell Computer initially in charge of the New York State and Connecticut regions before becoming Regional Sales Manager targeting state and local governments in the Northeast United States. Greg was responsible for building the Northeastern New York State and Local Government Region from a 5 to over a 60 percent market share for Dell in 3 years.

Greg began his career as a Territory Manager for the Burroughs Corporation implementing a comprehensive marketing program targeting several major industrial companies, as well as the United States Department of Energy. He then moved on to Hewlett-Packard as a Senior Commercial Field Engineer selling software and hardware services of commercial computer systems aimed at manufacturing companies.

Greg spent the bulk of his career at Digital Equipment Corporation starting as a Sales Representative before eventually becoming the New York State Account Manager. Initially, Greg was responsible for tactical and strategic management for small accounts within New York State. Eventually, his responsibilities grew into a management position developing and implementing the strategic plan for New York State county and local governments, as well as state agencies.