# Karel Janeček

_Czech philanthropist, mathematician, billionaire and entrepreneur (*1973)_

Canonical: https://diginpl.com/people/karel-janecek
Last updated: 2026-10-31

> Karel Janeček (born 26 July 1973) is a Czech mathematician, entrepreneur and philanthropist. He co-founded the financial company RSJ for algorithmic trading. He later became active in anti-corruption initiatives, philanthropy and electoral reform.

## Quick facts

- **Born:** 26 July 1973 ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P569))
- **Place of birth:** Plzeň ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P19))
- **Citizenship:** Czech Republic ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P27))
- **Occupation:** mathematician; economist; teacher; entrepreneur ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P106))
- **Education:** Faculty of Mathematics and Physics, Charles University; Bradley University; Carnegie Mellon University; Gymnázium Christiana Dopplera ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P69))
- **Spouse:** Lilia Khousnoutdinova ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P26))
- **Official website:** kareljanecek.com ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P856))
- **X (Twitter):** janecek252 ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P2002))
- **Facebook:** kareljanecekcz ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P2013))
- **Instagram:** karel252 ([Wikidata](https://www.wikidata.org/wiki/Q12028279#P2003))

## About

In 2011, Janeček co-founded the Anti-Corruption Endowment (Nadační fond proti korupci, NFPK), which supported whistleblowers and projects exposing corruption in public administration. He also developed the D21 – Janeček method, an alternative voting system.

## Questions

**When was Karel Janeček born?**  
Karel Janeček was born on 26 July 1973 in Plzeň.

**Where did Karel Janeček study?**  
Karel Janeček was educated at Faculty of Mathematics and Physics, Charles University, Bradley University, Carnegie Mellon University, Gymnázium Christiana Dopplera.

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## Sources

- [Wikipedia (English): Karel Janeček](https://en.wikipedia.org/wiki/Karel_Jane%C4%8Dek) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q12028279](https://www.wikidata.org/wiki/Q12028279) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: Janeček Karel 2014 Hanna Jon.jpg by JonRHanna (CC BY-SA 3.0)](https://commons.wikimedia.org/wiki/File:Jane%C4%8Dek_Karel_2014_Hanna_Jon.jpg)

## Licence and attribution

Text from the Wikipedia article Karel Janeček, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Janeček Karel 2014 Hanna Jon.jpg — JonRHanna, CC BY-SA 3.0.

## Cite this page

"Karel Janeček". DigiNepal. Last updated 31 October 2026. https://diginpl.com/people/karel-janecek. Retrieved 6 November 2026.