Fundraising Fox

Jianna Liu

InvestorFounder

Partner at Dorm Room · Founder at Cardinal

Pleasanton, California

Writes $40K checks · typically $40K

FoundedCardinal · YC

Find your path to Jianna

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

Annie KadavyunlockedJianna: together at DoorDash (2022)
×2Jianna: together at DoorDash
Jianna: together at Facebook
×6Jianna: together at Dorm Room

About

Jianna Liu studied computer science at MIT and held software engineering roles at Meta, DoorDash, and Nvidia. She previously founded a YC S23-backed energy software company that was acquired by Johnson Controls.

Founder at CardinalYC W26

Intro paths

YC

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

GP

Their group partner at YC was Gustaf Alstromer — the partner who ran Cardinal's batch and knows the company first-hand. YC profile ↗

In turn, Jianna can intro founders to Cardinal's investors below.

Co-founders at Cardinal

DJDevi Jha
Devi JhaFounder

Experience

  1. CardinalCo-Foundercurrent2025 — present
  2. LeafpressCo-Founder2023 — 2025
  3. MIT School of Architecture and PlanningResearcher2023Cambridge, Massachusetts, United States
  4. DoorDashSoftware Engineer2022San Francisco, California, United States
  5. MIT Climate & Sustainability Consortium (MCSC)Researcher2022Cambridge, Massachusetts, United States
  6. NVIDIADeep Learning Researcher2021Santa Clara, California, United States
  7. FacebookSoftware Engineer2021Menlo Park, California, United States
  8. MIT Brain and Cognitive SciencesMachine Learning Researcher2020Cambridge, Massachusetts
  9. Skale Education Inc.Software Engineer2020

Skills & more

Python7React.js4Javascript4Java1Typescript1HTML1

Languages Chinese

From Jianna's professional profile.

Colleagues at Dorm Room

Frequently asked questions

Who is Jianna Liu?
Jianna Liu studied computer science at MIT and held software engineering roles at Meta, DoorDash, and Nvidia. She previously founded a YC S23-backed energy software company that was acquired by Johnson Controls.
Where does Jianna Liu work?
Jianna Liu is Founder of Cardinal and Partner at Dorm Room.
What check size does Jianna Liu write?
Jianna Liu typically writes checks of $40K.
What companies did Jianna Liu found?
Jianna Liu founded Cardinal.
Where did Jianna Liu go to school?
Jianna Liu studied at Massachusetts Institute of Technology (Bachelor of Engineering - BE, Computer Science); University of Oxford (Visiting Student, Music and Computer Science); Y Combinator.

Founder mafias

Y Combinator mafia10,230

Also came through, then founded or led a company.

+ 10,223 more

Massachusetts Institute of Technology mafia1,220

Also came through, then founded or led a company.

+ 1,213 more

University of Oxford mafia623

Also came through, then founded or led a company.

+ 616 more

NVIDIA mafia136

Also came through, then founded or led a company.

+ 129 more

Dorm Room mafia28

Also came through, then founded or led a company.

+ 21 more

Same school

Shared employers