Hallstone Ventures

About Hallstone Ventures

Hallstone Ventures is a seed-stage investment firm focused on backing founders building AI-driven infrastructure for the attention economy. Its thesis centers on infrastructure for creators and media businesses, ad tech and monetization rails, immersive and spatial media systems, and emerging frontier media infrastructure. The firm positions itself as operator-led, leveraging domain expertise and an operator LP network to help founders with buyer introductions, workflow validation, and underwriting of integration and ROI realities. It is described as Los Angeles-based and works across media, entertainment, and advertising.