GreylockPartner
Until Present
Invests in AI-native infrastructure and applications and helps lead Greylock Edge and Greylock Scout.
Sophia Luo invests in early-stage AI applications and infrastructure as a partner at Greylock. Previously, she helped launch Scale AI’s Generative AI Data Engine and worked on core product and growth at Character AI.
Sophia Luo invests in early-stage AI applications and infrastructure as a partner at Greylock. Previously, she helped launch Scale AI’s Generative AI Data Engine and worked on core product and growth at Character AI.
Career
Character.aiProduct Engineer
Aug 2023 — Sep 2024
Scale AISenior Product Manager
2022 — Dec 2023
Scale AISenior Software Engineer
2020 — Dec 2022
Jane StreetSoftware Engineer
2019 — Dec 2019
Two SigmaSoftware Engineer
2018 — Dec 2018
Coatue ManagementSoftware Engineer
2017 — Dec 2017
Cosigns Received
Featured Media
forbes.com
Sophia Luo — Forbes 30 Under 30 2026
Forbes profile covering Luo's investing and accelerator work at Greylock.
greylock.com
Voice Agents: Easy to Use, Hard to Build
Sophia Luo examines the engineering tradeoffs behind deployed voice systems, including latency, interruption handling, orchestration, and evaluation.
linkedin.com
From Building to Backing: Year One Reflections
Sophia Luo connects her product and engineering background to investing, with lessons on founder judgment, customer feedback, and useful introductions.
youtube.com
Fireside Chat - Robots: Beyond Imagination
Sophia Luo interviews Brad Porter about practical robot design, warehouse deployments, and the challenges of moving from prototype to production.
