Fundraising Fox

Zayne Sagar

Founder

Founder at Feldy

United States

FoundedFeldy · YC

About

Zayne Sagar is co-founder and CEO of Aether. He holds a bachelor's degree from UC Berkeley and pursued graduate studies in Computational Science and Engineering, with research focused on physics-informed world models using multi-modal data.

Founder at FeldyYC W24

Intro paths

YC

Zayne went through Y Combinator (Winter 2024) — 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 Feldy's batch and knows the company first-hand. YC profile ↗

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In turn, Zayne can intro founders to Feldy's investors below.

Feldy's investors · 8

AP VenturesLondon · since 2026CDP Venture CapitalRome · since 2026Chevron Technology VenturesHouston · since 2026Eni NextBoston · since 2026Foothill VenturesLos Altos · $100K – $10M checks · since 2026TechEnergy VenturesBuenos Aires · since 2026Xora Innovation Pte LtdSingapore · since 2026Y CombinatorSan Francisco · $500K checks · since 2024

Co-founders at Feldy

SBShelby Bons
Shelby BonsFounder

Experience

  1. FeldyFoundercurrent2026 — present
  2. AetherCo-Founder and CEO2023 — 2026San Francisco Bay Area
  3. Various StartupsEngineering & Product2018 — 2023
  4. Multiple CompaniesInternships2013 — 2016

Education

  1. University of California, BerkeleyBachelor's degrees, Philosophy2013 — 2018
  2. Harvard UniversityUnfinished Grad
  3. Y CombinatorFounder, Winter 2024 Batch

Skills & more

Languages English · Fiji-Hindi · French · Urdu/Hindi

  • FAA License, Student, Private Pilot — Federal Aviation Administration

From Zayne's professional profile.

Frequently asked questions

Where does Zayne Sagar work?
Zayne Sagar is Founder at Feldy.
What companies did Zayne Sagar found?
Zayne Sagar founded Feldy.

Founder mafias

Y Combinator mafia8,729

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 +1Michael SeibelManaging Director, Early Stage and Group PartnerFounded SocialCam

+ 8,722 more

University of California, Berkeley mafia504

Also came through, then founded or led a company.

David FriedbergBAFounded Climate +2Mike SigalBAFounded Fanvestor +2Ivan ZhouMolecular BiologyFounded Decagon +2Sean GroveFounded Linzumi +2Harish AgarwalMaster of Science - MSFounded Nori +2Dino Di CarloPh.D.Founded Partillion +2

+ 497 more

Same school

Also attended University of California, Berkeley1,326

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

+ 1,320 more

Also attended Harvard University1,453

Alfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalGRyan IsonoDeal Partner at Felicis Ventures

+ 1,447 more

Also attended Y Combinator2,000

Maroof 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 VenturesMuzzammil (MZ) ZaveriPartner at Audacious Ventures backing ambitious early-stage founders

+ 1,994 more

Shared employers

Also worked at Feldy1

Shelby BonsFounder at Feldy

Also worked at Various Startups114

Laura BuhlerPartner, Head of Community at Felicis VenturesDaniel SimonVenture Partner at FJ LabsMichelle GonzalezCorporate Vice President and Global Head of M12Shakhina PulatovaInvestor at Storm VenturesAileen AllenPartner at Mercury FundEran SavirFounder & Managing Partner at Savyon Ventures

+ 108 more

Also worked at Multiple Companies19

Sydney SloanChief Marketing Officer at Scale Venture PartnersBrendan WoodsInvestor at 13books CapitalChuck CorcoranMajor General USAF (ret.) at NEW VISTA CAPITALAndrew ChanFounder · Managing Partner at Atas VCDave RosenbergInvestor at ACVC PartnersMichael JosephCo-Founder and Co-CEO at Ion Pacific

+ 13 more