Sophia Luo
VCPartner, Greylock
AI-native applications and infrastructure early-stage investor
San Francisco, CA1 notable investments
Pre-SeedSeedSeries A
AIInfrastructureDeveloper ToolsDataEnterprise SaaS
Background
Sophia Luo joined Greylock as a Partner in early 2026, bringing deep experience from Scale AI and Character AI. At Scale AI she was an engineer and product manager building enterprise AI products; at Character AI she was the 5th product engineer driving core product and growth. She earned BS/MS degrees in Computer Science and Mathematical Economics from MIT. She focuses on early-stage founders building AI-native applications and enabling infrastructure.
Investment Thesis
AI-native applications and enabling infrastructure with founders who make the impossible possible
Investment Focus
Stages
Pre-SeedSeedSeries A
Sectors
AIInfrastructureDeveloper ToolsDataEnterprise SaaS
Based in: San Francisco, CA (North America)
Notable Investments
Last updated: Jun 11, 2026