Air Street Capital is a venture capital firm investing exclusively in AI-first companies globally, with a focus on Europe and the United States. The firm backs companies for which advances in artificial intelligence are the primary driver of product capability, competitive advantage, and long-term value creation, across sectors including frontier AI models, AI infrastructure, autonomous systems, robotics, defense technology, AI agents, reasoning-based software systems, and tech bio/AI-native life sciences. Founded in 2019 and led by Nathan Benaich as solo General Partner.