GREÏ is an AI-native security platform reshaping how enterprises manage physical security, safety, and operational monitoring. By combining computer vision, sound, signals, and text analysis into a single unified control panel, GREÏ enables real-time threat detection, operational oversight, and process optimization—delivering a new standard of intelligent security.

Klemensas Mecejus is a seasoned AI leader with a strong track record in strategy, large-scale transformation, and enterprise product development. He has led AI initiatives at QuantumBlack / McKinsey and AI71, advising governments and Fortune 500 companies on high-impact AI deployment and governance. His work has delivered substantial ROI—from EBITDA uplift to major cost and accuracy improvements—and he has built enterprise-grade AI/ML platforms used at national and corporate scale.

At GREÏ, Klemensas will help to sharpen the product, strengthen the  go-to-market engine, and bring large-scale AI discipline into the  product. With his experience delivering high-ROI AI transformations for governments and Fortune 500s, GREÏ will be able to replicate that level of impact for their  customers.

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