Christopher has been a Zeta leader since 2020. He has over 20 years of proven success in the technology industry. Prior to joining Zeta, Mr. Greiner served as Chief Financial Officer of LivePerson Inc., an AI-powered conversational cloud provider, from 2018 through March 2020 and before that spent five years at Inovalon, a cloud-based healthcare and life sciences analytics company, first as Chief Product and Operations Officer and then as Chief Financial Officer. Mr. Greiner also held roles of increasing executive responsibility at IBM from 1999 until 2012 and Computer Sciences Corporation (CSC) from 2012 to 2013. He holds a BBA in Finance and Economics from Baylor University.