Giannis Polyzois is currently the Director of DevOps at GWI, a position held since 2026. Previously, Giannis served as a DevOps Senior Manager at PwC Greece from 2023 to 2025, and as Director of Infrastructure at wappier from 2021 to 2023. Prior to that, Giannis held various roles in technology and engineering, including Senior Cloud Engineer at GRNET and Senior Linux Administrator at travelplanet24.com and Tora Wallet S.A. Giannis earned a Master's degree in Computer Systems Security from The University of Glamorgan and a Bachelor's degree in Computer Science from Lancaster University.
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