Quarter Circle 3 Ventures

August 18, 2026 By Dan Engel

Category
All listings, Investment Firms/VC
Description

Quarter Circle 3 Ventures is a family venture office backing companies and projects at the intersection of Physical AI, autonomy, environmental intelligence, and land stewardship.

We support ventures that combine durable technology, scientific rigor, and long-term operating discipline. Our current focus includes autonomous systems, robotics, earth observation, AI infrastructure, and responsible land development.

Quarter Circle 3 Ventures is the founding venture platform behind TerraFirma Robotics, an autonomous environmental monitoring company building intelligent drone systems for high-resolution ground truth data.

Website
https://qc3-ventures.com
City
Santa Barbara