Frances Liu
FounderFounder at Promptless
San Francisco, California, United States
FoundedPromptless · YC
About
Frances Liu leads product and machine learning engineering at Promptless, a platform for maintaining customer-facing content. Previously, she held product and ML/AI engineering roles at Cloudflare, OneSignal, and Graft, working with large-scale data systems and LLM operations. She studied at Yale and pursued doctoral research at Stanford.
Founder at PromptlessYC W25
Intro paths
Frances went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Brad Flora, General Partner at Y Combinator — the partner who ran Promptless's batch and knows the company first-hand. YC profile ↗
In turn, Frances can intro founders to Promptless's investors below.
Promptless's investors · 3
Co-founders at Promptless
Experience
- PromptlessCo-Foundercurrent2024 — presentSan Francisco Bay Area
- Stanford Alumni AssociationBoard Member, Stanford Professional Womencurrent2023 — present
- Argon AI (YC W24)Co-Founder2023 — 2024San Francisco Bay Area
- GraftHead of Product2022 — 2023
- OneSignalHead of Data Science & Machine Learning2020 — 2022San Mateo, California, United States
- Cloudflare, Inc.Product2017 — 2020San Francisco Bay Area
- Harvard UniversityPostgraduate Fellow2014
Education
- Stanford UniversityMaster of Science (M.S.), Geological Sciences (Geophysics)2015 — 2017
- Yale UniversityBachelor of Arts (B.A.), double major: Archeology & Economics2009 — 2013
Skills & more
Languages Chinese · German · Japanese · Spanish
From Frances's professional profile.
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
Stanford University mafia721
Also came through, then founded or led a company.
+ 714 more
Yale University mafia149
Also came through, then founded or led a company.
+ 142 more
Same school
Also attended Stanford University2,000
+ 1,994 more
Also attended Yale University623
+ 617 more
