# Sophia Luo

> Sophia Luo is a Partner at Greylock Partners, one of Silicon Valley's most storied venture capital firms, where she backs early-stage founders building AI-native applications and enabling infrastructure. A Bay Area native who triple-majored at MIT in four years, she was a nationally ranked chess player by age eight and carried that competitive instinct into the AI startup world - first as an early engineer at Scale AI, then as a founding product engineer at Character.AI. She joined Greylock in 2024, made angel bets on Cognition and Mercor before they were household names, and landed on the 2026 Forbes 30 Under 30 list in venture capital within her first year as an investor.

- **Role:** Partner at Greylock Partners
- **Organizations:** Greylock Partners, Scale AI, Character.AI, Massachusetts Institute of Technology
- **Nationality:** American
- **Education:** Bachelor of Science in Computer Science, Massachusetts Institute of Technology (MIT), Bachelor of Science in Mathematical Economics, Massachusetts Institute of Technology (MIT), Master of Engineering, Massachusetts Institute of Technology (MIT)
- **Known for:** Named to Forbes 30 Under 30 (2026) in the Venture Capital category, Earned three MIT degrees (BS Computer Science, BS Mathematical Economics, MEng) in four years, Nationally ranked top 100 chess player in the US by age 8

## Career timeline

- **~2018** — Enrolled at MIT; began competing nationally in chess
- **~2022** — Graduated MIT with three degrees in four years; joined Scale AI as early engineer (under 50 engineers at the time)
- **~2023** — Transitioned to Product Management at Scale AI; led launch of Scale's Generative AI Data Engine and built the university recruiting program
- **~2024** — Joined Character.AI as the 5th product engineer; worked on core product and growth teams driving engagement and user metrics
- **2024** — Joined Greylock Partners as Partner, focusing on early-stage AI-native applications and infrastructure
- **2024** — Led/participated in AirOps Series B investment and Netic Seed investment at Greylock
- **2025** — Named to Forbes 30 Under 30 list in Venture Capital category for 2026

## Achievements

- Named to Forbes 30 Under 30 (2026) in the Venture Capital category
- Earned three MIT degrees (BS Computer Science, BS Mathematical Economics, MEng) in four years
- Nationally ranked top 100 chess player in the US by age 8
- Early angel investor in Cognition and Mercor before they became widely recognized AI companies
- Joined Scale AI as one of its first ~50 engineers and helped build the Generative AI Data Engine
- Joined Character.AI as the 5th product engineer
- Led Greylock's Series B investment in AirOps (content engineering for AI search)
- Supports Greylock Edge accelerator program and Greylock's Scouts program

## Latest updates

- **2025-12** — Named to Forbes 30 Under 30 (2026) in Venture Capital
- **2025-11** — Greylock led AirOps Series B investment - Sophia's portfolio company for AI-powered content engineering
- **2025-01** — Published 'From Building to Backing: Year One Reflections' on LinkedIn, sharing five frameworks she developed in her first year as an investor
- **2024-09** — Officially joined Greylock Partners as a Partner; announcement included welcome from firm partners including Asheem Chandna

## Links

- Website: https://greylock.com/team/sophia-luo/
- LinkedIn: https://www.linkedin.com/in/syluo/
- Twitter/X: https://x.com/sophia_luo_

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Profile page: https://yespress.io/sophia-luo
Published by YesPress — https://yespress.io
Last updated: 2026-05-08