Where does Ilariia Belova work?

Ilariia Belova is Founder of Tell if AI.

What companies did Ilariia Belova found?

Ilariia Belova founded Tell if AI.

Where did Ilariia Belova go to school?

Ilariia Belova studied at Yandex School of Data Analysis; National Technical University of Ukraine 'Kyiv Polytechnic Institute' (Master of science, Applied Mathematics); National Technical University of Ukraine 'Kyiv Polytechnic Institute' (Bachelor of science, Applied Mathematics).

Ilariia Belova

Founder

Founder at Tell if AI

Menlo Park, California, United States

FoundedTell if AI · YC

Find your path to Ilariia

10,213 people in our graph share verified history with Ilariia — schools, employers, funds. One of them is your warm intro.

Dan RuchunlockedIlariia: together at Y Combinator

×11Ilariia: together at Y Combinator

About

Ilariia Belova is founder and CTO of Tellif AI. She previously worked as a staff engineer at Yandex, where she spent over a decade in machine learning and ads, leading a technical team. She holds a degree in applied mathematics from NTUU KPI in Ukraine.

Founder at Tell if AI YC F25

Intro paths

Ilariia went through Y Combinator (Fall 2025) — 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 Tell if AI's batch and knows the company first-hand. YC profile ↗

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In turn, Ilariia can intro founders to Tell if AI's investors below.

Tell if AI's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Tell if AI

Austin StoneFounder/CEO

Experience

Stealth StartupFoundercurrent2025 — present
InceptiveMember of Technical Staff2022 — 2025Palo Alto, California, United States
YandexTeam lead in recommendation systems infrastructure group in Search Portal Technology Department2020 — 2022
YandexStaff software developer in Yandex Direct ads targeting group2018 — 2020
YandexSenior software developer in Yandex Direct ads targeting group2016 — 2018
YandexResearcher/developer in Yandex Direct ads targeting group2013 — 2016Ukraine, Kiev; Russia, Moscow
Yandex DeliveryBusiness Analyst2022
Yandex School of Data AnalysisHead/Lecturer, Python course2019 — 2021Moscow, Russia
Yandex School of Data AnalysisAssistant, Python course2017 — 2019Moscow, Russia
Yandex School of Product ManagementJunior Progress Tracker2018Moscow, Russia
Tristero ConsultingJunior research developer2012 — 2013Kyiv, Kyiv City, Ukraine

Skills & more

Linux20XML14Git17UML11SQL14Java12PostgreSQL8Matlab8Eclipse6Wolfram Mathematica4Python8Subversion10

+12 more

RMac OS XRelational DatabasesOS XCisco TechnologiesMathematicaMapReduceJIRAMPIUnix Shell ScriptingC/C++ STLLinear Algebra

Languages English · Russian · Spanish · Ukrainian

From Ilariia's professional profile.

Frequently asked questions

Who is Ilariia Belova?: Ilariia Belova is founder and CTO of Tellif AI. She previously worked as a staff engineer at Yandex, where she spent over a decade in machine learning and ads, leading a technical team. She holds a degree in applied mathematics from NTUU KPI in Ukraine.
Where does Ilariia Belova work?: Ilariia Belova is Founder of Tell if AI.
What companies did Ilariia Belova found?: Ilariia Belova founded Tell if AI.
Where did Ilariia Belova go to school?: Ilariia Belova studied at Yandex School of Data Analysis; National Technical University of Ukraine 'Kyiv Polytechnic Institute' (Master of science, Applied Mathematics); National Technical University of Ukraine 'Kyiv Polytechnic Institute' (Bachelor of science, Applied Mathematics).