Konstantinos Kastanis – Biography
Last update: February 19, 2026Executive profile
Konstantinos was Senior Account Manager at MasterCard, and Engagement Manager at McKinsey & Company. Konstantinos Kastanis joined Upstream in 2015. Konstantinos served as Head of Strategy at Upstream.
Konstantinos Kastanis is currentlyDeputy Chief Executive Officer at Upstream - View - Upstream org chart
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Education
Konstantinos Kastanis has a Bachelor of Science in Operations Research from Athens University of Economics and Business in 2002 and a Master of Science in Decision Sciences from Athens University of Economics and Business in 2004.
They have also studied at Athens University of Economics and Business :
Find more alumni from Athens University of Economics and Business
They have also studied at Athens University of Economics and Business :
Find more alumni from Athens University of Economics and Business
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- At Upstream, Konstantinos Kastanis has 18 colleagues including Dimitris Maniatis (CEO), Guy Krief (Director)…
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- In the Communication & Sales industry, Konstantinos Kastanis has 49,588 colleagues in 2,900 companies located in 68 countries. 17,763 executive movements have been recorded in the last 12 months. Learn more about Communication & Sales.
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