Kostas Kastanis

Konstantinos Kastanis is currently the Deputy CEO and Head of Strategy at Upstream. Prior to their current position, Konstantinos worked as a Senior Account Manager at MasterCard and as an Engagement Manager at McKinsey & Company. Konstantinos also has experience as an intern at BrainStorming Consulting and Emporiki Bank. Konstantinos holds a Master of Business Administration (MBA) from INSEAD, a Master of Science (M.Sc.) in Decision Sciences from Athens University of Economics and Business, and a Bachelor of Science (B.Sc.) in Operations Research from the same university.