Fundraising Fox

Steven Arellano

Founder

Founder at Wafer

San Francisco Bay Area

FoundedWafer Β· YC

About

Steven Arellano previously worked at Two Sigma, Google, SEI Labs, and Axlab, and holds a degree in computer science and economics from the University of Chicago.

LinkedIn β†—X / Twitter β†—
Latest on 𝕏

steve @gpusteve

here’s my dog. nothing else. https://t.co/dXP0GoBloE

Aug 2, 2026 Β· β™₯ 22

steve @gpusteve

guys i promise it was higher than 34. i was asleep when i ss 😭😭😭

Aug 2, 2026 Β· β™₯ 3

steve @gpusteve

mom we made it on hacker news again my team figured out how to serve Kimi K3 at 3.8x higher throughput and 71% lower cost on @AMD MI355x vs B200 https://t.co/4ayWUoQ5et https://t.co/ZH9FG9l767

Aug 2, 2026 Β· β™₯ 124 Β· ⇄ 7

Founder at WaferYC S25

Intro paths

YC

Steven went through Y Combinator (Summer 2025) β€” any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jared Friedman, YC Group Partner β€” the partner who ran Wafer's batch and knows the company first-hand. YC profile β†—

β†’

In turn, Steven can intro founders to Wafer's investors below.

Wafer's investors Β· 2

Fifty YearsY Combinator

Co-founders at Wafer

EAEmilio Andere
Emilio AndereFounder

Experience

  1. WaferCo-Foundercurrent2025 β€” presentSan Francisco, California, United States
  2. University of Chicago Department of Computer ScienceResearcher2024Chicago, Illinois, United States
  3. GoogleSoftware Engineer2024Cambridge, Massachusetts, United States
  4. Two SigmaSoftware Engineer2024New York, United States
  5. GoogleSoftware Engineer2023New York City Metropolitan Area
  6. Sei LabsSoftware Engineer2022San Francisco Bay Area

Education

  1. University of ChicagoBachelor's in Computer Science & Economics, (Joint) Master's in Computer Science
  2. Loyola High School of Los AngelesHigh School Diploma

Skills & more

315 bench2can do a backflip14

From Steven's professional profile.

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 Chicago mafia90

Also came through, then founded or led a company.

Bharat KilaruBachelor of Arts (BA)Founded Verano Health +2Matt KrisiloffFounded Preventive +1Bobby PittmanMaster's degreeFounded Fraym +1Jeremy GrushcowPh.D.Founded Juniper Genomics +1Dexter HorthyBachelor of Arts (BA)Founded HumanLayer +1Dante VaisbortBachelor of ArtsFounded Haylon Technologies +1

+ 83 more

Loyola High School of Los Angeles mafia2

Also came through, then founded or led a company.

Alejandro SalinasFounded Locata

Same school

Also attended University of Chicago334

Mark SusterManaging Partner at Upfront VenturesShardul ShahInvestor at Index VenturesSam BlackmanEntrepreneur in Residence at GV (Google Ventures)Clay FisherInvestor at Spark CapitalJonas CiplickasPrincipal at Scale Venture PartnersJulia Gonzalez SandersPartner and General Counsel at Crosslink Capital

+ 328 more

Also attended Loyola High School of Los Angeles13

Brian Bustamante-NicholsonPartner at GreycroftOmar Njie, MDPrincipal at AlleyCorpAndy PerilleVice President at Archer Capital GroupRyan RoddyInvestor at Seaside VenturesMatt BrownPartner at Matrix PartnersLucas MannManaging Partner at Acre Venture Partners

+ 7 more

Shared employers

Also worked at Wafer2

Shri GaneshramFounder/CTO at FlightCarEmilio AndereFounder at Wafer

Also worked at University of Chicago Department of Computer Science2

Raouf AbujaberFounder at G LNKEmilio AndereFounder at Wafer

Also worked at Google1,533

Ron ConwayFounder of SV AngelElad GilSolo general partner investing through Gil CapitalBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundJess LeePartner and Chief Product Officer at Sequoia CapitalTomasz TunguzFounder & General Partner at Theory VenturesHunter WalkCo-founder & Partner at Homebrew

+ 1,527 more

Also worked at Two Sigma34

Jakob PalmstiernaPresident at GSRColin BeirneFounding Partner at Deviation CapitalDusan PerovicPartner at Two Sigma VenturesJuliette HanBoard Member at MassChallenge MexicoKimberley BuenoVenture Advisor at Growth Warrior CapitalAnna CarusoDirector of Investor Relations at SemperVirens Venture Capital

+ 28 more