Find your path to Jesai
7 people in our graph share verified history with Jesai — schools, employers, funds. One of them is your warm intro.
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
Jesai went through Y Combinator (Fall 2026) — any YC alum in your network can reach them through the YC community.
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 ↗
In turn, Jesai can intro founders to Sentient OS's investors below.
Sentient OS's investors · 1
Co-founders at Sentient OS
Experience
- Sentient OS (YC F26)Founder & CEOcurrent2026 — presentUnited States
- Lead Developercurrent2024 — presentUnited States
- my deskDeep Tech Experimentscurrent2014 — present
- OasisArtificial Intelligence Intern2026United States
- Independent research (scored top 5% as IB Extended Essay)Research on Quantization Effects on LLM Reasoning2024 — 2025
- Bliss AIDeveloper2024 — 2025
- Cambridge Centre for International ResearchML Cryocooler Research (with Dr. Hannah Rana, Harvard)2024 — 2025
- Schoolhouse.worldSAT Tutor2023 — 2025
Skills & more
+12 more
Laboratory RoboticsPrompt EngineeringVideo EditingHuman Interface DesignBack-End Web DevelopmentWireframingWeb Services APITrainingVirtualizationOptimizationGPT-4User Experience Design (UED)From Jesai's professional profile.
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.
- Where did Jesai Tarun go to school?
- Jesai Tarun studied at University of Massachusetts Amherst (Bachelor of Science in Computer Science, Honors); Y Combinator (YC F26); Indus International School Bangalore (IISB) (International Baccalaureate Diploma Programme (IB DP), High School/Secondary Diploma Programs).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
+ 10,223 more
Same school
Also attended University of Massachusetts Amherst265
+ 259 more
Also attended Y Combinator2,000
+ 1,994 more
