 NEW YORK--BUSINESS WIRE--Zeta NYSE: ZETA, a cloud-based marketing technology company that empowers enterprises to acquire, grow and retain customers, today announced that Chris Greiner, CFO will participate in one-on-one meetings at the Deutsche Bank Technology Conference on Thursday, September 9 and at Citis 2021 Global Technology Virtual Conference on Monday, September 13. About Zeta Zeta Global Holdings Corp. is a leading data-driven, cloud-based marketing technology company that empowe 