Vlad Ilyushchenko net worth
Quick answer
Vlad Ilyushchenko's estimated net worth is $11.2M (range $7.84M – $16.8M) as of 2026. Vlad Ilyushchenko is Founder at QuestDB. QuestDB valuation.
Vlad Ilyushchenko is Founder at QuestDB (YC S20). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United Kingdom
- Industries: B2B, Infrastructure
- Team size: 30
- Website: https://questdb.com/
Who is Vlad Ilyushchenko?
Vlad Ilyushchenko is a co-founder of QuestDB, a high-performance time series database company. He participated in Y Combinator's Summer 2020 batch.
Highlights:
- Y Combinator S20
- QuestDB
- Tech entrepreneur
About QuestDB
QuestDB is a high-performance open source database for the most demanding workloads. Native support for Parquet, Iceberg and SQL keeps your data portable, AI-ready, without vendor lock-in.
QuestDB is designed from the ground up to operate as close to the hardware as possible - eliminating ingestion bottlenecks and lowering overall hardware requirements.
QuestDB powers mission-critical infrastructure for...
FAQ: Vlad Ilyushchenko net worth and QuestDB valuation
What is Vlad Ilyushchenko's net worth?
Vlad Ilyushchenko's estimated net worth is $11.2M (range $7.84M – $16.8M) as of 2026. Vlad Ilyushchenko is Founder at QuestDB. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is QuestDB valuation?
QuestDB's estimated valuation on Entrepreneurial Check is $120.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Vlad Ilyushchenko's role?
Vlad Ilyushchenko is Founder at QuestDB, a Y Combinator-backed startup (batch S20).