Peyton Marcotte is Co-Founder at Perceptron ML (YC S26), an AI platform making law firms AI-native through bespoke, grounded intelligence systems built around each practice.

Peyton is studying Mechanical Engineering at Brown University, where his research background spans hardware engineering and applied AI in high-stakes environments.

Peyton previously founded PMARC, developing precision astronaut exercise equipment for long-duration spaceflight, a venture that earned grants from NASA, Brown University, and the 1517 Fund.

At Perceptron ML, Peyton co-leads the company alongside his brother Michael Marcotte, combining his hardware engineering instincts with AI-native product development for the legal industry.

Perceptron ML was accepted into Y Combinator's Summer 2026 batch and has raised $500K in pre-seed funding, positioning it as an emerging force in AI for legal services.