Array Ventures is a San Francisco-based pre-seed B2B deeptech investment firm with $250M+ in assets under management across four funds. It invests $250K to $2.5M at inception in technically differentiated companies across AI infrastructure, cybersecurity, health technology, fintech, data, and enterprise SaaS. The firm evaluates technical stacks, research, architecture, and defensibility, and supports portfolio companies through strategic guidance, customer and partner introductions, follow-on fundraising, and access to a network of more than 500 industry experts. Array also operates Array AI Labs, an in-house initiative for experimenting with frontier AI tools and building internal systems.