Fundraising Fox

Ibrahim Rabbani

Founder

Founder and CEO at Zibra Labs

San Francisco Bay Area

FoundedZibra Labs · YC

About

Ibrahim Rabbani was a tech lead at Ray and previously worked on database systems at LinkedIn, where he contributed to infrastructure serving billions of users.

Founder and CEO at Zibra LabsYC X26

Intro paths

YC

Ibrahim went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Zibra Labs's batch and knows the company first-hand. YC profile ↗

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In turn, Ibrahim can intro founders to Zibra Labs's investors below.

Zibra Labs's investors · 2

HOF CapitalNew York · $25K – $15M checksY CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Zibra Labs

ZPZac Policzer
Zac PoliczerFounder and CTO

Experience

  1. Zibra LabsCofounder and CEOcurrent2026 — presentSan Francisco Bay Area
  2. AnyscaleSoftware Engineer (TL)2025 — 2026San Francisco Bay Area
  3. LinkedInStaff Software Engineer2022 — 2023San Francisco Bay Area
  4. LinkedInSenior Software Engineer2020 — 2022San Francisco Bay Area
  5. LinkedInSenior Site Reliability Engineer2018 — 2020San Francisco Bay Area
  6. Moody's AnalyticsSoftware Engineer2016 — 2018San Francisco Bay Area
  7. KRLX RadioIT Engineer2014 — 2016Northfield, Minnesota
  8. Moody's AnalyticsSoftware Engineering Intern2015San Francisco Bay Area
  9. Carleton CollegeStudent Web Developer2014 — 2015Northfield, Minnesota

Skills & more

Distributed Systems1C++12Public Speaking29Data Analysis9Web Development10Social Media9Linux5Java20Microsoft Office27AngularJS8Python10C11
+7 moreSQLHTMLJavaScriptC#PHPBashSite Reliability Engineering

Languages English · Urdu

From Ibrahim's professional profile.

Frequently asked questions

Who is Ibrahim Rabbani?
Ibrahim Rabbani was a tech lead at Ray and previously worked on database systems at LinkedIn, where he contributed to infrastructure serving billions of users.
Where does Ibrahim Rabbani work?
Ibrahim Rabbani is Founder and CEO of Zibra Labs.
What companies did Ibrahim Rabbani found?
Ibrahim Rabbani founded Zibra Labs.
Where did Ibrahim Rabbani go to school?
Ibrahim Rabbani studied at Carleton College (Bachelor's degree, Computer Science and Economics); Lahore Grammar School (Cambridge Advance-Level, Mathematics).

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

LinkedIn mafia77

Also came through, then founded or led a company.

Peter ThielInvestorFounded PayPal +1Reid HoffmanCo-founder & ChairmanFounded Manas AI +1Dylan FieldData Analytics InternFounded FigmaGordon WintrobEngineering ManagerFounded Newfrontinsurance +2Eric RowellSenior Frontend EngineerFounded Uiflow +2Josephine LeeSoftware Engineering InternFounded Palette Labs +1

+ 70 more

Carleton College mafia6

Also came through, then founded or led a company.

James Lu MorrisseyB.A. w/ honorsFounded Mentor CollectiveQuang TranBachelor of Arts (B.A.)Founded FleetWorksStephen GrinichBachelors of ArtsFounded HealthSparkYuta BabaBachelor’s DegreeFounded Carrot LabsGreta MeyerExpository WritingFounded sequel

Anyscale mafia3

Also came through, then founded or led a company.

Ben HorowitzDirectorFounded OpswareZac PoliczerEngineerFounded Zibra Labs

Lahore Grammar School mafia3

Also came through, then founded or led a company.

Abhinav WarrierA levelFounded RightbotHayyaan AhmadO and A levelFounded Round

Same school

Also attended Carleton College29

Jessie HaoInvestor at Notable CapitalMira ChaurushiyaManaging Director at Westlake Village BioPartnersCharles ZedlewskiVenture Partner at Zero Prime VenturesMichelle SnyderPartner, Venture at McKesson VenturesSkyler KessenichAnalyst, Data Science at Growth Street PartnersHeather McPhersonPrincipal, Director of Impact at S2G Investments

+ 23 more

Also attended Lahore Grammar School6

Labiba RasheedPortfolio Analyst at SarmayacarMaheen NadeemInvestment Associate at Reflect VenturesAbeer SalmanSustainability Executive at PalatineHamza AdnanAssociate at First Trust Capital PartnersAbhinav WarrierCTO at RightbotHayyaan AhmadCTO at Round

Shared employers

Also worked at Zibra Labs1

Zac PoliczerFounder and CTO at Zibra Labs

Also worked at Anyscale7

Assaf ArakiInvestment Director at Intel CapitalNick WashburnSenior Managing Director, Intel Capital (North America)Javier RedondoPartner at Scale Venture PartnersJessExecutive Assistant at Renegade PartnersJaikumar GaneshInvestor at NZVCPete SonsiniFounder and General Partner at Laude Ventures

+ 1 more

Also worked at LinkedIn197

Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockKeith RaboisManaging Director at Khosla VenturesDavid SzeAdvisory Partner at GreylockJeremy LevinePartner at Bessemer Venture PartnersDylan FieldCo-founder, CEO & Chair of Figma

+ 191 more

Also worked at Moody's Analytics9

Bill KeoghOperating Partner at Eos Venture Partners LimitedLenka HuangInvestor at NZVCKatrin RobeckManaging Director at IBB VenturesKrishna ChittabathiniVenture Partner at Elevate CapitalKaren MossTreasurer at Charity BankDavid HaswellAdvisor at Bain Capital Credit

+ 3 more