David Jaenke has extensive experience in leadership roles across various companies. Since March 1980, David has served as President/CEO of Envision, LLC. Prior to this, David held the position of President at Quatrix from 1980 to 1990 and worked as a consultant for User Group between 1976 and 1980. David also served as CFO at DSI - Diversified Systems from 1975 to 1980 and was involved with IDoor from 2000 to 2008. David holds an MBA in Business Administration from Saint Louis University and a BS in Accounting from Southern Illinois University, Carbondale.