Assil Halimi
FounderFounder at Apollo Atomics, Inc.
Cambridge, Massachusetts, United States
FoundedApollo Atomics, Inc. · YC
About
Assil Halimi holds a PhD in Nuclear Engineering from MIT and has authored peer-reviewed publications and patents focused on reactor design and fuel optimization. He has held positions as a reactor operator at Engie and advanced reactor designer at EDF, and has collaborated with major nuclear engineering firms including Westinghouse, NuScale, and Rolls-Royce on pressurized water reactor development.
Founder at Apollo Atomics, Inc.YC X26
Intro paths
YC
Assil went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Apollo Atomics, Inc.'s batch and knows the company first-hand. YC profile ↗
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In turn, Assil can intro founders to Apollo Atomics, Inc.'s investors below.
Apollo Atomics, Inc.'s investors · 7
Fifty YearsSan Francisco · $250K – $2M checksKima VenturesParis · $50K – $5M checksOrange CollectiveDanvillePerceptive Ventures Management Company, LlcLaguna BeachScribble VenturesPortola Valley · $750K – $1.5M checksValia VenturesLondon · $50K – $50M checksY CombinatorSan Francisco · $500K checks · since 2026
Co-founders at Apollo Atomics, Inc.
DW
Drew WalkerCo-Founder/COO
Experience
- Apollo Atomics, Inc.Founder and CEOcurrent2025 — presentCambridge, Massachusetts, États-Unis
- Massachusetts Institute of TechnologyResearch (Best Ph.D. Thesis Award)2021 — 2025
- Massachusetts Institute of TechnologyTeaching2022 — 2025Кембридж, MA
- EngieReactor Operation, Core Physics Engineer2020 — 2021Brussels Metropolitan Area
- EDFAdvanced Reactors Designer2019 — 2020Cambridge, Massachusetts
- National InstrumentsLecturer and Campus Ambassador2017 — 2018Paris Area, France
- Safran GroupPropulsion Systems Design2018
- GESummer Engineering Intern2016Tipasa, Algeria
Skills & more
Languages Arabic · English · Espagnol · French
- Modelling and Computation of Multiphase Flows — ETH Zürich
- ELyT Engineering, Decommissioning of Nuclear Power Plants — Tohoku University
- CESAM Associate — CESAM Community
- Certified LabVIEW Associate Developper — NI (National Instruments)
From Assil's professional profile.
Frequently asked questions
- Who is Assil Halimi?
- Assil Halimi holds a PhD in Nuclear Engineering from MIT and has authored peer-reviewed publications and patents focused on reactor design and fuel optimization. He has held positions as a reactor operator at Engie and advanced reactor designer at EDF, and has collaborated with major nuclear engineering firms including Westinghouse, NuScale, and Rolls-Royce on pressurized water reactor development.
- Where does Assil Halimi work?
- Assil Halimi is Founder of Apollo Atomics, Inc..
- What companies did Assil Halimi found?
- Assil Halimi founded Apollo Atomics, Inc..
- Where did Assil Halimi go to school?
- Assil Halimi studied at Massachusetts Institute of Technology (Doctor of Philosophy (Ph.D.) Nuclear Science and Engineering); Y Combinator (P26); INSA Lyon - Institut National des Sciences Appliquées de Lyon (Master of Science/Dipl. Ing. in Electrical Engineering).
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