Karel Janeček / Mathematician, entrepreneur, and anti-corruption campaigner

Last updated on profile page : September 29th, 2015


Born in 1973, Karel Janeček is a mathematician and entrepreneur. In recent years he became an anti-corruption campaigner and a philanthropist.

He graduated from the Faculty of Mathematics and Physics of Charles University in Prague in the field of Probability and Mathematical Statistics. He also holds an MBA in Finance from Bradley University, Illinois, and a Ph.D in Mathematical Finance from Carnegie Mellon University (Pittsburgh, Pennsylvania).

In the early 1990s, he created a simulation software for advantage play in Blackjack. From 1998 to 2000, he worked as a mathematical analyst for the hedge fund Market Research, Ltd. and from 2004 to 2005, served as Researcher in the Austrian Academy of Sciences. On the basis of his experience, he started the firm RSJ Algorithmic Trading, now one of the world’s biggest financial derivatives traders of its kind.[2]

In 2010 he established the Karel Janeček Benevolent Fund for Support of Science and Research (renamed Neuron in 2013), a non-profit organisation promoting the idea of benefactors supporting the science and research in the Czech Republic.

In 2013, he started an anti-corruption campaign in Czech Republic. He moved on by
proposing an alternative democratic system for general elections.

By Karel Janeček on ParisTech Review

Les mathématiques et les technologies sont de plus en plus utilisées dans les prises de décision. La tendance du moment est même de remplacer la décision humaine par celle d'une machine. Mais il existe aussi des expériences où l'innovation technologique aide à revivifier la décision humaine par excellence, celle de la démocratie. En témoigne le projet Démocratie. 2.1, lancé par le mathématicien tchèque Karel Janeček : une innovation radicale du mode de scrutin, fondée sur quelques intuitions mathématiques simples et appuyée sur la théorie des jeux.
Mathematics and technology are increasingly used in decision-making. The current trend is even to replace human decisions by machine decisions. But in some experiences, technological innovation helps to reinvigorate the most human of all decision process: democracy. This is the purpose of the Democracy 2.1 experiment, launched by the Czech mathematician Karel Janeček: a radical innovation of the voting system, based on mathematical intuitions derived from game theory.


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