Fundraising Fox

Tunga Bayrak

Founder

Founder at Freya

Istanbul, Türkiye

FoundedFreya · YC

About

Tunga Bayrak is CEO and co-founder of Freya. He previously worked as an AI research engineer developing visual language models for geometric reasoning and audio transformers, and served as a teaching assistant in the engineering school at the University of Pennsylvania, where he was also part of an AI research team before leaving.

Founder at FreyaYC S25

Intro paths

YC

Tunga went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jon Xu, General Partner at Y Combinator — the partner who ran Freya's batch and knows the company first-hand. YC profile ↗

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In turn, Tunga can intro founders to Freya's investors below.

Freya's investors · 3

DOMiNO VenturesAmsterdam · $220K – $1.1M checksRebel FundSan Francisco · $100K – $5M checksY CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Freya

TNTomas Nepala
Tomas NepalaFounder

Experience

  1. Freya (YC S25)CEO & AI Researchercurrent2025 — present
  2. freeCodeCampMachine Learning Instructorcurrent2025 — present
  3. MotionSharkCo-Founder & Researcher2024 — 2025
  4. Penn Quantum Computing ClubCo-President2022 — 2024Philadelphia, Pennsylvania, United States
  5. Big Brain HoldingsResearch Analyst2023 — 2024
  6. Penn EngineeringTeaching Assistant2023Philadelphia, Pennsylvania, United States
  7. Aspiring Scholars Directed Research Program (ASDRP)Quantum Computing & Machine Learning Researcher2021 — 2022
  8. PolygenceResearcher -Quantum Computing Algorithms2021 — 2022
  9. QTurkeyQuantum Computing Mentor2021Istanbul, Türkiye

Frequently asked questions

Who is Tunga Bayrak?
Tunga Bayrak is CEO and co-founder of Freya. He previously worked as an AI research engineer developing visual language models for geometric reasoning and audio transformers, and served as a teaching assistant in the engineering school at the University of Pennsylvania, where he was also part of an AI research team before leaving.
Where does Tunga Bayrak work?
Tunga Bayrak is Founder of Freya.
What companies did Tunga Bayrak found?
Tunga Bayrak founded Freya.
Where did Tunga Bayrak go to school?
Tunga Bayrak studied at University of Pennsylvania (Computer Science, AI Concentration); The Wharton School (Statistics).

Founder mafias

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University of Pennsylvania mafia201

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Same school

Also attended University of Pennsylvania824

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Also attended The Wharton School1,557

Fred WilsonCo-founder & Partner at Union Square VenturesSarah GuoFounder & General Partner of ConvictionJosh KopelmanFounder and Partner at First Round CapitalAydin SenkutFounder & Managing Partner at FelicisKunal BahlCo-founder of Snapdeal; co-founder of Titan CapitalJack AbrahamFounder, CEO & Managing Partner of Atomic

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Shared employers

Also worked at Freya (YC S25)1

Tomas NepalaFounder at Freya

Also worked at MotionShark1

Tomas NepalaFounder at Freya

Also worked at Penn Engineering3

Peter BertoneVenture Fellow at Borealis VenturesDavid Zhi LuoZhangFounder at Bronco AIRichard OuFounder at Doe

Also worked at Aspiring Scholars Directed Research Program (ASDRP)6

Gia OscherwitzInvestor at Alix VenturesKavya TallapakaConsulting at Rock HealthAlan YaoCo-Founder at AthenaHQPaulina XuFounder at Agentic FabriqRakesh MehtaFounder at ZarnaAditya MittalFounder at Rote