About
Mazin Al-Ani studied computer science at the University of Waterloo and has worked as a software engineer intern at Optiver on quantitative trading systems and at Boosted.ai on an agentic AI platform for financial analysts. He is founder of Definite, which participated in Y Combinator's S26 batch.
Founder at DefiniteYC S26
Intro paths
Mazin went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Ankit Gupta, General Partner at Y Combinator — the partner who ran Definite's batch and knows the company first-hand. YC profile ↗
In turn, Mazin can intro founders to Definite's investors below.
Definite's investors · 1
Co-founders at Definite
Experience
- Definite (YC S26)Co-Foundercurrent2026 — presentSan Francisco Bay Area
- OptiverSoftware Engineer Intern2025Chicago, Illinois, United States
- Boosted.aiSoftware Engineer Intern2024Toronto, Ontario, Canada
- Boosted.aiQuantitative Developer Intern2024Toronto, Ontario, Canada
- OnexRisk Management Intern2023Toronto, Ontario, Canada
Skills & more
Languages Arabic · English · French
- DELF B2 — Alliance Française de Toronto
- RCM Advanced Theory — The Royal Conservatory of Music
- RCM Grade 9 Piano — The Royal Conservatory of Music
From Mazin's professional profile.
Frequently asked questions
- Who is Mazin Al-Ani?
- Mazin Al-Ani studied computer science at the University of Waterloo and has worked as a software engineer intern at Optiver on quantitative trading systems and at Boosted.ai on an agentic AI platform for financial analysts. He is founder of Definite, which participated in Y Combinator's S26 batch.
- Where does Mazin Al-Ani work?
- Mazin Al-Ani is Founder of Definite.
- What companies did Mazin Al-Ani found?
- Mazin Al-Ani founded Definite.
- Where did Mazin Al-Ani go to school?
- Mazin Al-Ani studied at University of Waterloo (Bachelor of Science - BS, Computer Science); University of Toronto Schools (High School Diploma).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
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University of Waterloo mafia200
Also came through, then founded or led a company.
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University of Toronto Schools mafia8
Also came through, then founded or led a company.
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Same school
Also attended University of Waterloo359
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Also attended University of Toronto Schools17
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Shared employers
Also worked at Definite (YC S26)2
Also worked at Optiver18
+ 12 more
Also worked at Boosted.ai1
Also worked at Onex10
+ 4 more