Daniel Sun
FounderFounder at Breez Labs
San Francisco, California, United States
FoundedBreez Labs · YC
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About
Daniel Sun is co-founder and CEO of MathDash, where he is developing an online platform for math games. He previously qualified for a math competition program in high school and later attended MIT.
Founder at Breez LabsYC W24
Intro paths
Daniel went through Y Combinator (Winter 2024) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was David Lieb, General Partner at Y Combinator — the partner who ran Breez Labs's batch and knows the company first-hand. YC profile ↗
In turn, Daniel can intro founders to Breez Labs's investors below.
Breez Labs's investors · 6
Co-founders at Breez Labs

Experience
- Breez LabsCo-Founder and CEOcurrent2025 — presentSan Francisco, California, United States
- MathDashCo-Founder2024 — 2025San Francisco, California, United States
- Jane StreetQuantitative Trader2022 — 2023New York, United States
- KalshiSoftware Engineer2021 — 2022New York, New York, United States
- Scale AISoftware Engineer Intern2021
- Jane StreetSoftware Engineering Intern2020New York, New York, United States
- Jane StreetQuantitative Trading Intern2020New York, New York, United States
- MITQuest for IntelligenceUndergraduate Student Researcher2019 — 2020Cambridge, MA
- Akuna CapitalQuantitative Trading Intern2019Greater Chicago Area
- Credit SuisseEquity Derivatives Software Developer Intern2019Greater New York City Area
Frequently asked questions
- Who is Daniel Sun?
- Daniel Sun is co-founder and CEO of MathDash, where he is developing an online platform for math games. He previously qualified for a math competition program in high school and later attended MIT.
- Where does Daniel Sun work?
- Daniel Sun is Founder of Breez Labs.
- What companies did Daniel Sun found?
- Daniel Sun founded Breez Labs.
- Where did Daniel Sun go to school?
- Daniel Sun studied at Massachusetts Institute of Technology (Bachelor of Science - BS, Computer Science and Engineering).
Founder mafias
Y Combinator mafia10,603
Also came through, then founded or led a company.
Massachusetts Institute of Technology mafia1,484
Also came through, then founded or led a company.
Scale AI mafia64
Also came through, then founded or led a company.
Kalshi mafia7
Also came through, then founded or led a company.
Same school
Also attended Massachusetts Institute of Technology2,000
+ 1,994 more
Shared employers
Also worked at Breez Labs1
Also worked at MathDash1
Also worked at Jane Street66
+ 60 more
Also worked at Scale AI103
+ 97 more



































