Fundraising Fox

Paul Shin

Founder

Founder at F4 Industries

San Francisco, California, United States

FoundedF4 Industries · YC

About

Paul Shin is CEO and co-founder of F4 Industries. He previously worked as a mechanical design engineer at Tesla, where he oversaw multiple CyberCab and SEMI production components and managed the global drive unit heat exchanger program. Earlier, he conducted research in liquid-bipropellant rocketry at the University of Arizona and UC Berkeley.

LinkedIn ↗X / Twitter ↗
Latest on 𝕏

Paul H. Shin @ur_hyoung

We took the saying "GD&T has your back" a little too seriously... https://t.co/sHbEaimser

Jul 13, 2026 · ♥ 1

Paul H. Shin @ur_hyoung

I broke down the certified staff into US and non-US staff and consolidated subsidiary company population to their parent company numbers.

Jul 3, 2026 · ♥ 1

Paul H. Shin @ur_hyoung

I made this list back in Jan 2026 when I was preparing for my GDTP so I reran the numbers this month with latest data.

Jul 3, 2026 · ♥ 1

Founder at F4 IndustriesYC S25

Intro paths

YC

Paul went through Y Combinator (Summer 2025) — 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 F4 Industries's batch and knows the company first-hand. YC profile ↗

→

In turn, Paul can intro founders to F4 Industries's investors below.

F4 Industries's investors · 2

468 CapitalY Combinator

Co-founders at F4 Industries

ACAidan Cantu
Aidan CantuCTO & Co-Founder

Experience

  1. F4 Industries, Inc.CEO & Co-Foundercurrent2025 — presentSan Francisco, California, United States
  2. TeslaMechanical Design Engineer - Drive Unit Development2024 — 2025Palo Alto, California, United States
  3. Alabama Rocketry AssociationChief Engineer & President - Liquid Bi-Propellant Rocket Team2020 — 2023University of Alabama
  4. Relativity SpaceMechanical Engineering2022Long Beach, California, United States
  5. General Atomics Aeronautical SystemsAdditive Manufacturing2021United States
  6. Space Enterprise at BerkeleySenior Propulsion Engineer2018 — 2020University of California, Berkeley
  7. Space Enterprise at BerkeleyCo-Founder & President2016 — 2020University of California, Berkeley

Education

  1. Y CombinatorS25 Batch2025
  2. The University of AlabamaMechanical Engineering
  3. University of California, BerkeleyMolecular & Cell Biology: Developmental Genetics
  4. Cerritos CollegeComputer Numerically Controlled (CNC) Machine Operation & Programming2020 — 2021
  5. Downey High School2015 — 2016
  6. Warren High School2012 — 2015

Skills & more

Project Management13Entrepreneurship12Marketing Strategy9Product Development6Rapid Prototyping33D Prototyping3TIG WeldingCNC ManufacturingSelective Laser Sintering (SLS)Leadership14Strategic Planning13Public Speaking10
+3 moreInterpersonal SkillsManagementLaser Powder Bed Fusion (LPBF)

Languages English · Korean · Spanish

From Paul's professional profile.

Same school

Also attended Y Combinator1,463

Akshat GoenkaInvestor at Moonfire VenturesJon XuGeneral Partner at Y CombinatorTed ChaiAssociate at Scale Venture PartnersLeo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesYusuf SherwaniCo-Founder and CEO at Pelago; a Londoner living in New York City

+ 1,457 more

Also attended The University of Alabama38

Andy CloydVenture Partner, Rise of the Rest at RevolutionHenk BothPrincipal, Investment at Anzu PartnersCoyn MateerAdvisor at UTXO ManagementChris HopsonChief Financial Officer at UTXO ManagementCassie CliftonAdvisory Board Member at UTXO ManagementJonathan SadloweFounder and General Partner at Gossamer Capital

+ 32 more

Also attended University of California, Berkeley987

Byron DeeterPartner at Bessemer Venture PartnersTrevor OelschigInvestment Team at General CatalystBrendan Bulik-SullivanInvestor at GV (Google Ventures)Glen AndersonPartner at Monta Vista CapitalAnthony LinHead of Intel Capital, Corporate Vice President at Intel CapitalScott ShawChief of Staff at Intel Capital

+ 981 more

Also attended Cerritos College1

François TorcheVenture Partner at ScaleFund

Shared employers

Also worked at F4 Industries, Inc.1

Aidan CantuCTO & Co-Founder at F4 Industries

Also worked at Tesla93

Steve JurvetsonCo-founder of Future VenturesArpan ShahInvestor at Spark CapitalJustin LiuVice President at Sapphire VenturesErica WaichmanHead of People & Community at Canvas VenturesBen FawEntrepreneur-in-Residence at Context VenturesBrock CsiraInvestor at Matter Venture Partners

+ 87 more

Also worked at Alabama Rocketry Association1

Aidan CantuCTO & Co-Founder at F4 Industries

Also worked at Relativity Space17

Jordan NooneGeneral Partner at Embedded VenturesNancy XiaoInvestor at HeadlineJory BellGeneral Partner at Playground GlobalJerry OrzechPRINCIPAL, INVESTMENT TEAM at Crosscut VenturesRyan McCalleyManaging Partner and Founder at SQN Venture Partners, LLCWilliam AbecassisManaging Partner and CIO at Braven

+ 11 more