Geza Kos, Budapest, Hungary

Geza Kos is a winner of the WFNMC Erdos Prize in 2022.

Dr. Geza Kos is an Associate Professor of Eotvos University in Budapest.

During his early life he participated in the International Mathematical Olympiad (IMO) from 1984-86, winning a silver medal and two gold medals.

Dr. Kos has continued to be involved in the IMO. Starting in 2006, with rare exceptions, Dr. Kos has been a coordinator and an important member of the Problem Selection Committee (PSC) of IMO.

Starting in 1986, Kos has been involved in the points contest of KoMaL magazine, creating the computer database for the contests and maintaining the website.

In 1993, with two colleagues he created a contest in advanced mathematics problems. Kos has created hundreds of contest problems and published 28 articles related to the contest.

Starting in 1991, he has also been a member of the contest committee of the Jozsef Kurschak Competition.

Dr. Kos has been involved in other local competitions as well. In the Miklos Schweitzer competition he was a member of the committee in 1992, 2018 and 2020. In the Romanian Masters in Mathematics he was a coordinator in 2012.

Starting in 2016, Kos has been and remains a member of the Jury of the International Olympiad of Metropolises in Moscow (IOM).

At the University competitions level, Geza has been helping at the International Mathematics Competitions (IMC) since 1998, and is a key organizer involved in problem selection, preparation of solutions and results, and in some years has been a moderator of the Jury. In 2009, he was the local organizer in Budapest. In 2020 and 2021, when the IMC contest was held online, Kos arranged all the technical details, programmed the website, headed the PSC and led the Jury.

He was also invited to be coordinator of the Putnam University examinations in 2020/21 and 2021/2022.

During the same years when Olympiads were virtual Geza was a coordinator and a member of the PSC of the European Girls' Mathematical Olympiad (EGMO) for high school students.

The same is true for the one-time 2020 Cyberspace Mathematics Competition (CMC), also organized virtually.

Dr. Kos was the team leader of his own Eotvos University teams at the Vojtech Jarnik competition for university students in Ostrava most years since 1999. He was elected to the Chair of the Jury 13 times.

Starting in 2009, Geza Kos has been a permanent member of the problem committee of the Competencia Iberoamericana Interuniversitaria de Matematicas (CIIM).