4x founder

Sarah Najmark

Co-founder and CEO chez Tapioca

Founder

Osium AI· Summer 2023 🇫🇷 Paris, Île-de-France, France

in LinkedIn

2026Founder· Tapioca

Founder · since 2017

Company

Tapioca

Role

Founder and CEO

current

Stage

—

no public source

Raised

—

no public source

Based

—

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Osium AI

Speed up materials innovation with Artificial Intelligence

Summer 2023

Experience

Career

Tapioca
Founder
Founder and CEO · 2026 – Present
2026
Osium AI (YC S23)
Co-founder
Co-founder and CEO · 2023 – 2026
2023
Y Combinator
Founder
Founder part of YC S23 Batch · 2023
2023
Everyday Robots
Senior Machine Learning Software Engineer · Mountain View, Californie, États-Unis · 2021 – 2023
2021
X, the moonshot factory
Senior Machine Learning Software Engineer · Mountain View, Californie, États-Unis · 2021
2021
X, the moonshot factory
Machine Learning Software Engineer · Mountain View, Californie, États-Unis · 2020 – 2021
2020
Stanford University
Teaching Assistant · 2020
2020
Stanford University
Research Assistant · 2019
2019
X, the moonshot factory
AI Resident · Mountain View, California, États-Unis · 2019
2019
Stanford University
Research Assistant · Stanford, California, États-Unis · 2018 – 2019
2018
Stanford University
Teaching Assistant · Stanford, California, États-Unis · 2018 – 2019
2018
MICS (Ecole Centrale Paris's Complex Systems Laboratory)
Research Internship · 2017 – 2018
2017
Music Performance
Co-founder
Co-Founder · 2017 – 2018
2017
LVMH
Representative of Ecole Centrale Paris for Inside LVMH Competition · 2017 – 2018
2017
Certideal
Data Science Internship · 2017
2017

Bio

Sarah is the co-founder and CEO of Osium AI, which she started with Luisa Bouneder, her close friend since College. She studied Mathematics, Physics and Chemistry at Ecole Centrale Paris. She holds a Master in Science from Stanford University where she conducted and led AI research. Sarah has deep expertise in AI technologies applied to complex systems as she spent 3 years as a Tech Lead and Product Manager at Google X, the moonshot division of Google. She authored 2 AI patents.