Mark has over 35 years experience in pharmacy technology and systems. Mark was the founder/CEO of eRx Network a leading electronic prescribing network and pharmacy switch which he sold to Emdeon in 2009. As SVP, Pharmacy Services he managed Emdeon’s pharmacy business from 2009 through 2012. Prior to eRx, Mark founded Zadall Systems, Inc. in 1982, a pharmacy practice management system that became a market leader which was sold to National Data Corporation (NDC) in 1994.