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Joshua Ibrahim

Founder

Founder at Manifold

Los Angeles Metropolitan Area

FoundedManifold · YC

Find your path to Joshua

1,207 people in our graph share verified history with Joshua — schools, employers, funds. One of them is your warm intro.

Javier SolterounlockedJoshua: together at Carnegie Mellon University (2017)
Joshua: together at Facebook
×5Joshua: together at Goldman Sachs
×4Joshua: together at Morgan Stanley

About

Joshua Ibrahim holds a PhD in Applied Mathematics from Caltech and previously interned as a software engineer at Facebook on Messenger and Instagram systems. He also earned MS and BS degrees in Electrical and Systems Engineering from Penn.

Founder at ManifoldYC S26

Intro paths

YC

Joshua went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jon Xu, General Partner at Y Combinator — the partner who ran Manifold's batch and knows the company first-hand. YC profile ↗

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In turn, Joshua can intro founders to Manifold's investors below.

Manifold's investors · 5

Calibrate VenturesPasadena · $5M checksIndustry VenturesSan Francisco · $250K – $50M checksReach CapitalSan Francisco · $100K – $12M checksTq Ventures LlcNew YorkY CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Manifold

NYNicolas Yeh
Nicolas YehFounder

Experience

  1. ManifoldCo-Foundercurrent2026 — presentLos Angeles, California, United States
  2. CaltechGraduate Student Researchercurrent2021 — presentPasadena, CA
  3. Courant Institute of Mathematical SciencesUndergraduate Researcher2021New York City Metropolitan Area
  4. University of PennsylvaniaUndergraduate Researcher2020 — 2021Greater Philadelphia Area
  5. University of PennsylvaniaESE 210 Dynamical Systems Teaching Assistant2020 — 2021
  6. University of PennsylvaniaESE 112 Engineering Electromagnetism Teaching Assistant2020
  7. Goldman SachsEngineering Essentials Program2020New York, United States
  8. Morgan StanleyEarly Insights Program2020New York, United States
  9. FacebookSoftware Engineering Intern2020New York City Metropolitan Area
  10. FacebookSoftware Engineering Intern (FBU)2019 — 2020Greater Seattle Area
  11. Jane StreetSpring Education Event2019Greater New York City Area
  12. Two SigmaNew Seekers Summit2019Greater New York City Area
  13. 3700 Industries LLCCo-Founder and CTO of 3700 Industries2018 — 2019Greater Philadelphia Area
  14. Carnegie Mellon UniversityCarnegie Mellon SAMS2017

Skills & more

Microsoft PowerPoint5Microsoft Excel5Leadership16Research16Public Speaking17Teamwork11English5

From Joshua's professional profile.

Frequently asked questions

Who is Joshua Ibrahim?
Joshua Ibrahim holds a PhD in Applied Mathematics from Caltech and previously interned as a software engineer at Facebook on Messenger and Instagram systems. He also earned MS and BS degrees in Electrical and Systems Engineering from Penn.
Where does Joshua Ibrahim work?
Joshua Ibrahim is Founder of Manifold.
What companies did Joshua Ibrahim found?
Joshua Ibrahim founded Manifold.
Where did Joshua Ibrahim go to school?
Joshua Ibrahim studied at Caltech (Doctor of Philosophy - PhD, Applied Mathematics); University of Pennsylvania (Bachelor's degree, Systems Engineering); Half Hollow Hills High School East.

Founder mafias

Same school

Shared employers

Also worked at Manifold1

Nicolas YehFounder at Manifold