About
Founder and CEO of Sentient OS (YC F26), which builds on-device AI designed to understand a user's context and complete tasks via computer use. He previously created Writing Tools, an open-source writing assistant, and has a background in on-device machine learning inference, including work with Apple's MLX framework.
Founder/CEO at Sentient OSYC F26
Intro paths
YC
Jesai went through Y Combinator (Fall 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Sentient OS's batch and knows the company first-hand. YC profile ↗
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In turn, Jesai can intro founders to Sentient OS's investors below.
Sentient OS's investors · 1
Co-founders at Sentient OS
AV
Aditya VellankiFounder/CTO
Frequently asked questions
- Who is Jesai Tarun?
- Founder and CEO of Sentient OS (YC F26), which builds on-device AI designed to understand a user's context and complete tasks via computer use. He previously created Writing Tools, an open-source writing assistant, and has a background in on-device machine learning inference, including work with Apple's MLX framework.
- Where does Jesai Tarun work?
- Jesai Tarun is Founder/CEO of Sentient OS.
- What companies did Jesai Tarun found?
- Jesai Tarun founded Sentient OS.