# Quentin Romero Lauro

> Quentin Romero Lauro is a San Francisco founder, engineer and human-computer interaction researcher. He co-founded Radius, formerly Inspector and Sol Browser, with Michael Klikushin and serves as CEO. His work includes AI business-planning research with Pittsburgh entrepreneurs, the RAGGY debugging project recognized with a CHI 2026 Best Paper award, and product engineering at Character.AI.

- **Role:** Co-Founder & CEO at Radius (formerly Inspector and Sol Browser)
- **Organizations:** Radius, Character.AI, University of Pittsburgh, Carnegie Mellon University Human-Computer Interaction Institute, UC Berkeley EPIC Data Lab, University of Maryland, Baltimore County, Pitt Computer Science Club, SteelHacks
- **Nationality:** American and Italian
- **Education:** B.S. in Computer Science, University of Pittsburgh
- **Known for:** Co-founded a Y Combinator Fall 2025 company., Co-author of RAG Without the Lag, a CHI 2026 Best Paper recipient., Finalist for the 2026 CRA Outstanding Undergraduate Researcher award.

## Career timeline

- **2020-2022** — Built and operated RaspiShop, a project-based learning store for Raspberry Pi enthusiasts.
- **2022** — Developed TutorHHS to match high-school students with peer tutors.
- **2023-2024** — Conducted research at Carnegie Mellon on software and generative AI for small-business owners.
- **2024** — Joined UC Berkeley EPIC Data Lab as a summer REU intern and studied RAG debugging with 12 AI engineers.
- **2024** — Co-executive director of SteelHacks XI at the University of Pittsburgh.
- **2025** — Co-founded the company initially launched as Inspector with Michael Klikushin; joined Y Combinator Fall 2025.
- **2026** — RAG Without the Lag received a CHI Best Paper award; the company is now branded Radius after being known as Sol Browser.

## Achievements

- Co-founded a Y Combinator Fall 2025 company.
- Co-author of RAG Without the Lag, a CHI 2026 Best Paper recipient.
- Finalist for the 2026 CRA Outstanding Undergraduate Researcher award.
- Co-created BizChat, presented as a CHIWORK 2025 demo and studied in a CHI 2026 paper.
- Received the Nordenberg Leadership Scholarship at the University of Pittsburgh.
- Won Most Technically Elegant Hack at HackMIT in 2023.

## Latest updates

- **2026-03** — Aditya Parameswaran announced RAGGY’s CHI 2026 Best Paper award on March 17.
- **2026-04** — Pitt profiled his BizChat work and reported that other students had taken over its ongoing development.
- **2026-10** — His personal website and Y Combinator listing currently identify his browser company as Radius. Verified October 12; this is an observation date, not a claimed rebrand date.

## Links

- Website: https://quentinromerolauro.com/
- LinkedIn: https://www.linkedin.com/in/quentinrl/
- Twitter/X: https://x.com/Qromerolauro
- GitHub: https://github.com/QuentinRomeroLauro

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Profile page: https://yespress.io/quentin-romero-lauro
Published by YesPress — https://yespress.io
Last updated: 2026-10-12