Yiannis Zempos is a Product Design Lead based in Athens with 8 years of experience designing data-informed consumer products, currently leading the COSMOTE app at Desquared. He blends user research, UX audits and analytics to translate insights into intuitive flows and features, having shaped mobile and cross-platform experiences from e-bikes and Apple Watch apps to campus and travel products. His background includes end-to-end product work at Super 73 and Kids Love Greece, plus enterprise-facing UI projects like Delta Air Lines’ inflight entertainment redesign. Yiannis holds advanced study in human-centered interfaces with a focus on human–AI symbiosis, bringing a research-driven lens to practical product delivery. Known for turning complex service ecosystems into clear, user-first journeys, he also frequently partners with BI teams to embed metrics into design decisions. Outside core product work, he has edited automotive content, reflecting a habit of translating technical detail into accessible narratives.
8 years of coding experience
4 years of employment as a software developer
Master's degree MTS HCI Symbiosis of Humans and Ai in Brain Implants, Master's degree MTS HCI Symbiosis of Humans and Ai in Brain Implants at Hellenic College Holy Cross
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Yiannis Zempos - Product Design Lead COSMOTE APP at Desquared