Fundraising Fox

David Yang

Founder

Founder at Maingen

San Francisco, California, United States

FoundedMaingen · YC

About

David Yang is CTO of Maingen, an AI company. He previously held roles at Scale AI, Amazon, and worked on earlier-stage projects including Idler and Reticular.

LinkedIn ↗X / Twitter ↗
Latest on 𝕏

David J Yang @djyang1

+1 to any company named after me sincerely, another david in data https://t.co/oKuXHVz655

Jul 22, 2026 · ♥ 11

David J Yang @djyang1

id never post an LLM trace but this time is an exception since i'm asking directly for christopher nolan to turn it into a screenplay https://t.co/tLVCwpkDsg

Jul 21, 2026 · ♥ 11

David J Yang @djyang1

the first person who replies with a well-formed `dd-cli` command i'll order food for you at a very inconvenient time within the next 5 days

Jul 21, 2026 · ♥ 16

Founder at MaingenYC S26

Intro paths

YC

David 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 Harshita Arora, General Partner at Y Combinator — the partner who ran Maingen's batch and knows the company first-hand. YC profile ↗

→

In turn, David can intro founders to Maingen's investors below.

Maingen's investors · 1

Y Combinator

Co-founders at Maingen

PYPhillip Yan
Phillip YanFounder

Experience

  1. Maingen (YC S26)Foundercurrent2026 — presentSan Francisco, CA
  2. Idler (YC S25)Founding Engineer2026San Francisco, CA
  3. University of PennsylvaniaTeaching Assistant2025Philadelphia, PA
  4. AmazonAI Engineer2025Bellevue, Washington, United States
  5. Reticular (YC F24)Machine Learning Engineer2024 — 2025San Francisco, CA
  6. University of PennsylvaniaUndergraduate Research Assistant2024Philadelphia, PA
  7. Nobias TherapeuticsMachine Learning Engineer2024Mountain View, CA
  8. Scale AIGenerative AI Intern2024

Education

  1. University of PennsylvaniaBachelor of Science, Computer Science
  2. Princeton UniversityDual Degree, Math
  3. Princeton High SchoolHigh School Diploma
  4. Y CombinatorS262026

Founder mafias

Y Combinator mafia8,668

Also came through, then founded or led a company.

Sam AltmanPresidentFounded LooptFred EhrsamYC Summer 2012Founded CoinbaseMatt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded PursuitDelian AsparouhovYC Summer 2014Founded Nightingale +1Justin KanYC Winter 2018Founded Rye +3

+ 8,661 more

University of Pennsylvania mafia157

Also came through, then founded or led a company.

Eric HeilBSEFounded Ladderbio +1Scott Wolf, MDBAFounded Aerin Medical +1Abhijeet DwivediMastersFounded Central +1Ross ChaninB.A.Founded Reputation Com +1Alexander BelangerBachelor's degreeFounded Hatchet +1Brianna LinMathematics and Computer ScienceFounded Copperlane +1

+ 150 more

Princeton University mafia109

Also came through, then founded or led a company.

Luke EvninBachelor’s DegreeFounded Mpmcapital +1Sharam Fouladgar-MercerEngineering DegreeFounded Signos +1Savraj SinghBachelor of ScienceFounded ContestMachine +1Jordan LeePhD (ABD) → MA 2012Founded Collections +1Matt JosephBachelor of Arts - BAFounded Locent +1Atray DixitBSEFounded Oncko +1

+ 102 more

Scale AI mafia42

Also came through, then founded or led a company.

Arnav SahuInvestorFounded WolfiaLan XuezhaoAngel investorFounded Basis SetFederico MirásSoftware EngineerFounded PluggyFree WortleyHead of Security/ArchitectureFounded LunaSecNipun KantProductFounded HavenBen ScharfsteinHead of Product, EnterpriseFounded Rume

+ 35 more

Princeton High School mafia3

Also came through, then founded or led a company.

Brian LiFounded GlimpseAndrew YanFounded AthenaHQ

Same school

Also attended University of Pennsylvania764

Dasha MaggioPartner at Felicis Ventures, writer on venture capital and founder psychologyNancy WangInvestor at Felicis VenturesEghosa OmoiguiFounder and Managing General Partner at EchoVC PartnersAkshat GoenkaInvestor at Moonfire VenturesJames KuklinskiInvestor at Spark CapitalKerry KilleenAssociate General Counsel at Revolution

+ 758 more

Also attended Princeton University553

Fabrice GrindaCo-founder & Managing Partner at FJ LabsAndrewAdvisor at Clear VenturesChristal NgAssociate at Golden Gate VenturesDavid CoatsManaging Director & Co-Founder at Correlation VenturesDan MoreheadFounder & CEO at Pantera CapitalGeoff YangCo-Founder at Redpoint Ventures

+ 547 more

Also attended Princeton High School4

Dan MatthiesManaging Partner, Catalyst Fund at ReactionJulia MaltbyGeneral Partner at The MBA FundBrian LiFounder at GlimpseAndrew YanCo-Founder, CEO at AthenaHQ

Also attended Y Combinator2,000

Leo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesVictor SantosVictor Scout at One Way VenturesSwapnil JainCEO, Observe.AI at EMERGENT VENTURESChase AdamPartner at Very Serious Ventures

+ 1,994 more

Shared employers

Also worked at Idler (YC S25)3

Ivan ChubFounder at IdlerNalu ConcepcionFounder at IdlerTony GossFounder at Idler

Also worked at University of Pennsylvania112

Wesley BarrowPartner at Correlation VenturesDavid MagermanManaging Partner at Differential VenturesNuan ZhangInvestor at Episode1Vyas RamananVenture Partner at Third Rock VenturesLouis BernemanFounding Partner at Osage University PartnersBrian HalakManaging Partner at Medical Excellence Capital

+ 106 more

Also worked at Amazon597

Dave MunichielloInvestor at GV (Google Ventures)Viswa SankaranarayananVenture Partner at Monta Vista CapitalAlessandro De BenedettiAssociate at NorthzoneScott JacobsonManaging Director at Madrona Venture GroupBill RichterCEO of Qumulo and venture partner at MadronaEduardo BlasiAnalyst at Inveready Technology Investment Group

+ 591 more

Also worked at Reticular (YC F24)1

John YangFounder at Reticular