Mathew Piotrowicz is co-founder and CTO of Greenlight Robotics, an early-stage startup building robotics and machine-vision systems for public transit fleets, including a camera-based mirror-assist system piloted with the Merrimack Valley Regional Transit Authority in Massachusetts. Before Greenlight he spent four years at Zoox as a sensor systems engineer, sensor test engineer, and mechatronics test engineer, and was a community member at South Park Commons.