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.
Founder and CTO at Zibra LabsYC X26
Intro paths
Zac went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
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 ↗
In turn, Zac can intro founders to Zibra Labs's investors below.
Zibra Labs's investors · 2
Co-founders at Zibra Labs
Experience
- Zibra LabsCofounder and CTOcurrent2026 — presentSan Francisco
- AnyscaleEngineer2025 — 2026San Francisco Bay Area
- LinkedInSenior Staff Software Engineer2022 — 2025San Francisco Bay Area
- LinkedInStaff Software Engineer2014 — 2022San Francisco Bay Area
- LinkedInSenior Software Engineer2016 — 2018
- LinkedInSoftware Engineer2014 — 2016
- Zac Squared ChocolateCofounder2015 — 2022San Francisco Bay Area
- VMwareSoftware Engineer2013 — 2014Palo Alto, CA
- VMwareIntern2012
- Zynx HealthIntern2011 — 2012
- UCLA Department of MedicineComputer Administration2009 — 2012
Skills & more
+12 more
GitAgile MethodologiesC#LinuxC++FPGAMongoDBSQLHTMLRubyJenkinsBash- Stanford Advanced Computer Security — Stanford University
From Zac's professional profile.
Frequently asked questions
- Who is Zac Policzer?
- 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.
- Where does Zac Policzer work?
- Zac Policzer is Founder and CTO of Zibra Labs.
- What companies did Zac Policzer found?
- Zac Policzer founded Zibra Labs.
- Where did Zac Policzer go to school?
- Zac Policzer studied at UCLA (Bachelor of Science (B.S.), Computer Science).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
+ 8,766 more
UCLA mafia127
Also came through, then founded or led a company.
+ 120 more
LinkedIn mafia77
Also came through, then founded or led a company.
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+ 70 more
Anyscale mafia3
Also came through, then founded or led a company.
Same school
Also attended UCLA499
+ 493 more
Shared employers
Also worked at Zibra Labs1
Also worked at Anyscale7
+ 1 more
Also worked at LinkedIn197
+ 191 more
Also worked at VMware116
+ 110 more