Tag Archives: officer

Upstream appoints George Kalyvas as Chief Commercial Officer to oversee market growth acceleration

Upstream’s Chief Operating Officer takes on extended CCO duties as part of a newly expanded role as pioneering mobile marketing platform gains momentum London, November 03, 2021 – Mobile marketing automation leader Upstream has appointed George Kalyvas as its new Chief Commercial Officer (CCO). Kalyvas – currently Chief Operating Officer and a 12-year veteran at… Read More »