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Kostas Kastanis
Deputy CEO at Upstream


Kostas is Upstream's Deputy Chief Executive Officer, leading the strategic development and deployment of Upstream’s product stack with a view to expanding their footprint. He joined Upstream in 2015, initially as Head of Strategy and later as Head of Zero-D, the company’s pioneering ad-funded free mobile internet platform, leading it to an addressable market of 250 million people. Prior to joining Upstream, Kostas spent 8 years with McKinsey & Company, consulting banking, telco and tech companies in Europe, Africa and Asia. He spent another 3 years with MasterCard, driving business development for Mobile Wallets in SE Europe. Kostas is a graduate of the Athens University of Economics & Business in Operations Research, holds a Master’s of Science degree in Decision Sciences from the same university as well as an MBA from INSEAD.

Agenda Sessions

  • Panel: The Future of Nigerian Telecoms: Exploring Telco & MNO Strategies


Speakers at this event