Alex Fuster

Alex Fuster is the founder and chief executive officer of Astro, an artificial intelligence-driven renewable energy development company operating in Texas, United States. Prior to establishing the startup in 2024, he worked as an energy trader at the multinational hedge fund Citadel. Fuster holds a Bachelor of Science in Physics and a Master of Science in Computer Science, both from Stanford University. His current venture, which was recently accepted into the Y Combinator Winter 2025 batch, operates with a single-person team to develop 100-megawatt-scale solar facilities. The firm utilizes proprietary software to identify optimal land parcels, secure necessary grid interconnections, and package shovel-ready projects for acquisition by larger developers. Ultimately, Fuster's professional focus centers on combining his quantitative finance background with advanced computer science to accelerate terawatt-scale solar infrastructure deployment across modern energy markets.