Where does Jibril Moinuddin work?

Jibril Moinuddin is Founder of Rational.

What companies did Jibril Moinuddin found?

Jibril Moinuddin founded Rational.

Where did Jibril Moinuddin go to school?

Jibril Moinuddin studied at Y Combinator; University of Michigan College of Engineering (Bachelor of Science, Computer Science); Mountain House High School.

Jibril Moinuddin

Founder

Founder at Rational

San Francisco Bay Area

FoundedRational · YC

Find your path to Jibril

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

Avi BharadwajunlockedJibril: together at TrueFoundry (2024)

×2Jibril: together at TrueFoundry

×8Jibril: together at University of Michigan College of Engineering

Jibril: together at Milpitas High School

About

Jibril Moinuddin is CEO of Rational and previously founded STEMplicity Education. He attended the University of Michigan.

Founder at Rational YC S26

Intro paths

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

Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran Rational's batch and knows the company first-hand. YC profile ↗

→

In turn, Jibril can intro founders to Rational's investors below.

Rational's investors · 2

Vela PartnersSan Francisco · $100K – $500K checks Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Rational

Christ XuFounder

Experience

Rational (YC S26)Co-Foundercurrent2026 — present
Buckeye AIMember of Technical Staff2026
STEMplicity EducationFounder2023 — 2026Mountain House, CA
Non-TrivialFellow2024
Non-TrivialFinalist2024
TrueFoundrySoftware Engineer Intern2024San Francisco, California, United States

Frequently asked questions

Who is Jibril Moinuddin?: Jibril Moinuddin is CEO of Rational and previously founded STEMplicity Education. He attended the University of Michigan.
Where does Jibril Moinuddin work?: Jibril Moinuddin is Founder of Rational.
What companies did Jibril Moinuddin found?: Jibril Moinuddin founded Rational.
Where did Jibril Moinuddin go to school?: Jibril Moinuddin studied at Y Combinator; University of Michigan College of Engineering (Bachelor of Science, Computer Science); Mountain House High School.