Giorgos Zacharia

Overview

Giorgos Zacharia is an angel investor and the Chief Technology Officer at KAYAK, a leading travel search engine. He joined KAYAK in 2008 as Chief Scientist and later became CTO, overseeing the company's global technology strategy and product development. Prior to KAYAK, Giorgos co-founded Open Ratings, Inc., a supply risk management provider, and co-founded two machine-learning-driven hedge funds, Stocknomics and Emporics Capital Management. He holds a Ph.D. in computer science from the Massachusetts Institute of Technology (MIT) and has been recognized for his contributions to technology and business. In addition to his role at KAYAK, Giorgos is an active angel investor through R9 Team, a group of KAYAK technology leaders. R9 Team invests in seed-stage software companies across various verticals, typically writing checks up to $100,000, and sometimes up to $1 million. Their portfolio includes companies like Avocarrot, Drafted, Nurse-1-1, RateElert, URX, Anthropic, Arbor, Baukunst, Beam Finance, BusRight, BuyNothing, Deets, Epic Games, Folia Health, General Radar, Goodpath, Groq, HD Insurance, The Hedgehog Company, InHouse, Insurify, Joyful Health, Juicer, Keragon, Kismet, Matterbeam, OpenAI, OpenBay, Perplexity, Pikkit, PitPro, Polimorphic, Rodeo, Scape, Carbon, TrueTickets, Unlisted, Varda, Wappier, and Wombo. Giorgos' investment focus aligns with his professional background, emphasizing technology, software, travel, insurance, and financial services. His strategic approach targets seed to growth-stage companies, with investments ranging from $100,000 to $1 million. Geographically, his investments span the United States, Europe, and Asia, reflecting a global perspective in his investment strategy. His diverse portfolio showcases a commitment to supporting innovative companies across multiple industries, leveraging his extensive experience in technology and business to drive growth and innovation.