ESTEL
AI-powered lead generation for tech staffing: multi-step LLM agents, enrichment pipelines and ranking models that turn hours of sourcing into ranked, ready-to-close opportunities.
Yusuf Berki YAZICIOĞLU
I build AI products.
Co-founder & Head of Data Science at ESTEL.
Self-taught since 2009, building AI end to end since 2018.
- years writing code
- 17+
- years in AI / ML
- 8+
- ML models in production
- 200+
- users reached
- 1.6M+
01 / journey
From hello world to co‑founder.
-
2009
Hello, world.
First curiosity, then the first website.
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2009–17
Side projects, end to end
Building for fun and shipping anyway: frontend, backend, data and everything in between.
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2018
A startup in freshman year
University and first startup together. Deployed ML in startup for enterprises.
-
2019
Learning to lead in AI
From data scientist to leading a team of 11 and an AutoML platform with 200+ models in production.
-
2022
Into the enterprise
AI at scale: dozens of production models, serving millions of users.
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2023
Advisory & LLM products
Helping teams turn generative AI into real products, plus an award-winning HR-tech prototype.
-
Current
Building ESTEL
Founding engineer and head of data science at ESTEL
02 / skills
A map of what I know.
An ontology of my hard skills and how they connect. Hover to explore a neighbourhood, click to pin, drag to play.
03 / projects
Things I've built.
Egolio
A social platform for movies, series, games and books, with recommendation and timeline algorithms, a big-data backend, iOS and Android apps. Five years in, I shut it down and wrote about why.
04 / writing & talks
Thinking out loud.
fetching articles
Talks
Mar 2021 AI-TECH Talk Google Developer Student Club Dumlupınar · YouTube
Sep 2019
AI Applications in the Business World
Digital Transformation Summit · İstanbul
05 / contact
Let's talk shop.