Fundraising Fox

Zac Policzer

Founder

Founder and CTO at Zibra Labs

San Francisco Bay Area

FoundedZibra Labs · YC

About

Zac Policzer previously worked on software systems serving over a billion users with expertise in large-scale databases. He is now developing high-performance computing clusters at Zibra Labs, with recent focus on AI data center infrastructure and open source contributions.

LinkedIn ↗

Founder and CTO at Zibra LabsYC X26

Intro paths

YC

Zac 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, General Partner at Y Combinator — the partner who ran Zibra Labs's batch and knows the company first-hand. YC profile ↗

→

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

Zibra Labs's investors · 2

HOF CapitalY Combinator

Co-founders at Zibra Labs

IRIbrahim Rabbani
Ibrahim RabbaniFounder and CEO

Experience

  1. Zibra LabsCofounder and CTOcurrent2026 — presentSan Francisco
  2. AnyscaleEngineer2025 — 2026San Francisco Bay Area
  3. LinkedInSenior Staff Software Engineer2022 — 2025San Francisco Bay Area
  4. LinkedInStaff Software Engineer2014 — 2022San Francisco Bay Area
  5. LinkedInSenior Software Engineer2016 — 2018
  6. LinkedInSoftware Engineer2014 — 2016
  7. Zac Squared ChocolateCofounder2015 — 2022San Francisco Bay Area
  8. VMwareSoftware Engineer2013 — 2014Palo Alto, CA
  9. VMwareIntern2012
  10. Zynx HealthIntern2011 — 2012
  11. UCLA Department of MedicineComputer Administration2009 — 2012

Education

  1. UCLABachelor of Science (B.S.), Computer Science2008 — 2013

Skills & more

Technology LeadershipC SuiteFormal MethodsSoftware Systems EngineeringSoftware DesignStream ProcessingRay Frameworkfeature storeai infraJava8JavaScript6Python8
+12 moreGitAgile MethodologiesC#LinuxC++FPGAMongoDBSQLHTMLRubyJenkinsBash
  • Stanford Advanced Computer Security — Stanford University

From Zac's professional profile.

Same school

Also attended UCLA392

Ben HorowitzCo-founder & General Partner at Andreessen HorowitzRon ConwayFounder of SV AngelKirsten GreenFounder and Managing Partner at Forerunner VenturesPaul FieldingFinance & Operations at General CatalystMelody MaExecutive Assistant and Lead Receptionist at Trinity VenturesGizem CakilInvestor at OpenView Venture Partners

+ 386 more

Shared employers

Also worked at Zibra Labs1

Ibrahim RabbaniFounder and CEO at Zibra Labs

Also worked at Anyscale8

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

+ 2 more

Also worked at LinkedIn136

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 PartnersDeep NisharInvestment Team at General Catalyst

+ 130 more

Also worked at VMware82

Martin CasadoGeneral Partner at Andreessen HorowitzJavier SolteroSenior Venture Partner at Felicis VenturesJob SimonVenture Partner and CTO at Monta Vista CapitalHemamAdvisor at Clear VenturesTejAdvisor at Clear VenturesBogomil BalkanskyHome chef and food blogger, venture capital partner, and wildlife photographer

+ 76 more