Rasyn
YC S26San Francisco, US · Founded 2017 · 3 employees · 1 known investors
Find your way into Rasyn
10,157 people in our graph share verified history with the Rasyn team — schools, employers, funds. One of them is your warm intro.
Josephine Leeunlockedknows Daood Hashmi · together at YC S26 (overlapped)
×11knows the team · via Y Combinator
Rasyn.ai offers Marigold, an AI research assistant that lets scientists ask research questions, run tools, or delegate entire tasks, returning results such as structures, charts, code, and papers in panels. It provides 54 runnable tools, 40 executing on connected hardware and 14 on hosted endpoints.
AI & Machine LearningBiotechDeep TechHealthtechSaaSArtificial IntelligenceDeep LearningManufacturingUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S26)
Rasyn was founded in 2017 by Ayush Chauhan, Daood Hashmi, and Ansh Tiwari.
AC

Ayush ChauhanFounderFounder and CTO of Rasyn (S26), which builds Marigold, an AI research assistant that lets scientists ask research questions, run tools, and delegate tasks, returning outputs like structures, charts, code, and papers.
DH

Daood HashmiFounderFounder of Rasyn, which builds Marigold, an AI research assistant for scientists. He is a researcher in the Arnold and Marcus Lab at Caltech developing diffusion models to predict organic reaction mechanisms and propose synthetic pathways, previously worked on DFT and molecular dynamics simulations in the Goddard Lab, and studied chemical engineering at Caltech.
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Ansh TiwariFounder/CEO
Investors · 1
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · Not right? Tell us
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Frequently asked questions
- What does Rasyn do?
- Rasyn.ai offers Marigold, an AI research assistant that lets scientists ask research questions, run tools, or delegate entire tasks, returning results such as structures, charts, code, and papers in panels. It provides 54 runnable tools, 40 executing on connected hardware and 14 on hosted endpoints.
- Who founded Rasyn?
- Rasyn was founded by Ayush Chauhan, Daood Hashmi, Ansh Tiwari in 2017.
- Who are Rasyn's investors?
- Rasyn's investors include Y Combinator.
- Where is Rasyn headquartered?
- Rasyn is headquartered in San Francisco, US.


