Fundraising Fox

Jack Qiu

Founder

Founder at Ultrasonium

Cambridge, Massachusetts, United States

FoundedUltrasonium · YC

Find your path to Jack

1,033 people in our graph share verified history with Jack — schools, employers, funds. One of them is your warm intro.

Scott DavisunlockedJack: together at University of California, Berkeley (2013–2016)
×8Jack: together at University of California, Berkeley
×2Jack: together at Massachusetts Institute of Technology
Jack: together at Lawrence Berkeley National Laboratory

About

Jack Qiu is the founder and CEO of Ultrasonium, a materials science and advanced manufacturing company. He holds a PhD in EECS from MIT—where his research covered quantum computing, cryogenics, signal processing, hardware control, and advanced manufacturing—and a BA in Physics from UC Berkeley, and previously conducted research at Lawrence Berkeley National Laboratory, with a first-authored Nature Physics paper produced through work with MIT Lincoln Lab on IARPA and DoD programs.

Founder at UltrasoniumYC S26

Intro paths

YC

Jack 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 Diana Hu, General Partner at Y Combinator — the partner who ran Ultrasonium's batch and knows the company first-hand. YC profile ↗

In turn, Jack can intro founders to Ultrasonium's investors below.

Co-founders at Ultrasonium

HBHunter Brown
CCChris Carter
AUAlexander Urbanski

Experience

  1. UltrasoniumCo-Founder & CEOcurrent2026 — presentGreater Boston
  2. Massachusetts Institute of TechnologyDoctoral Student2017 — 2023Cambridge, MA
  3. University of California, BerkeleyUndergraduate Researcher2014 — 2017Quantum Nanoelectronics Laboratory
  4. Lawrence Berkeley National LaboratoryResearch Affiliate2013 — 2017

Skills & more

Microwave EngineeringCryogenic EngineeringQuantum ComputingSimulationsSignal ProcessingData AnalysisMathematical ModelingMachine LearningJavaC++Matlab3Python (Programming Language)

Languages Chinese · English · French · Spanish

From Jack's professional profile.

Frequently asked questions

Who is Jack Qiu?
Jack Qiu is the founder and CEO of Ultrasonium, a materials science and advanced manufacturing company. He holds a PhD in EECS from MIT—where his research covered quantum computing, cryogenics, signal processing, hardware control, and advanced manufacturing—and a BA in Physics from UC Berkeley, and previously conducted research at Lawrence Berkeley National Laboratory, with a first-authored Nature Physics paper produced through work with MIT Lincoln Lab on IARPA and DoD programs.
Where does Jack Qiu work?
Jack Qiu is Founder of Ultrasonium.
What companies did Jack Qiu found?
Jack Qiu founded Ultrasonium.
Where did Jack Qiu go to school?
Jack Qiu studied at Massachusetts Institute of Technology (Doctor of Philosophy - PhD, Electrical and Electronics Engineering); University of California, Berkeley (Physics); Phillips Exeter Academy.

Founder mafias

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