Upstream
Dimitris Ploumistos is an experienced professional in the telecommunications sector, currently working as an Independent Telecom Consultant since October 2012. In addition to freelance work, Dimitris has been serving in various roles at Upstream since July 2007, including Engagement Manager and Business Planning Executive. Dimitris holds academic credentials from Middlesex University, where studies took place from 2004 to 2005.
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Upstream
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Upstream is a leading mobile technology company driving digital acquisitions and sales across every mobile channel available.