Nicușor Dan

**Nicușor Daniel Dan** (born 20 December 1969) is a Romanian politician, mathematician and activist who has been the 6th and current president of Romania since 2025. He was the Mayor of Bucharest from 2020 until 2025. During his early years, he won several International Mathematical Olympiads. Dan successfully ran for president in the 2025 presidential election.

## Early life

Born in Făgăraș, Brașov County. He won first prizes in the International Mathematical Olympiads in 1987 and 1988 with perfect scores. Dan moved to Bucharest at the age of 18 and began studying mathematics at the University of Bucharest.

In 1992, he moved to France to study mathematics. In 1998 Dan completed a PhD in mathematics at Paris 13 University. He returned to Bucharest that year because he wanted to change Romania based on what he learned from French culture.

## Political career

In 2015, he founded the Save Bucharest Union and has been an anti-corruption activist. He co-founded the Save Romania Union (USR), but resigned from the party in 2017 over its progressive shift as he was a conservative. Dan was in the Chamber of Deputies from 2016, before being elected Bucharest's first independent mayor in 2020. He won re-election in 2024.

## 2025 presidential campaign

Dan ran as an independent for the 2025 presidential election and received 21% of the vote in the first round, coming in second. He ran against Alliance for the Union of Romanians (AUR) founder George Simion in the runoff. Dan beat Simion with 53.6% of the vote.

## Presidency

Dan was inaugurated as president on 26 May 2025. In his inaugural address, he promised to deal with Romania’s economic problems while saying that "the Romanian state is spending more than it can afford”. He also promised to become a president “open to the voice of society.”

## Personal life

Dan is in a long-term partnershipt with Renault executive Mirabela. They have two children.

## Infobox (scientist)

- **embed**: yes
- **fields**: Mathematics
- **thesis title**: Courants de Green et prolongement méromorphe
- **thesis url**: https://www.worldcat.org/oclc/708496745
- **thesis year**: 1998
- **doctoral advisors**: Christophe Soulé

- **workplaces**: Institute of Mathematics of the Romanian Academy


## Infobox (officeholder)

- **honorific-prefix**: Excellency, His Excellency
- **name**: Nicușor Dan
- **image**: Nicușor Dan, Sept. 2025.jpg
- **caption**: Dan in 2025
- **order**: 6th
- **office**: President of Romania
- **primeminister**: Cătălin Predoiu (acting)
Ilie Bolojan
- **term start**: 26 May 2025
- **predecessor**: Klaus Iohannis
Ilie Bolojan (acting)
- **office1**: Mayor of Bucharest
- **term start1**: 29 October 2020
- **term end1**: 26 May 2025
- **predecessor1**: Gabriela Firea
- **successor1**: Stelian Bujduveanu (acting)
- **office2**: Member of the Chamber of Deputies (Romania), Chamber of Deputies
- **term start2**: 21 December 2016
- **term end2**: 20 October 2020
- **constituency2**: Bucharest
- **office3**: Member of the General Council of Bucharest, General Council of the Municipality of Bucharest
- **1namedata3**: Gabriela Firea
- **term start3**: 23 June 2016
- **term end3**: 21 December 2016
- **office4**: President of the Save Romania Union
- **term start4**: 28 July 2016
- **term end4**: 1 June 2017
- **predecessor4**: _Himself_ (as President of the Save Bucharest Union)
- **successor4**: Elek Levente (interim)
- **birth name**: Nicușor Daniel Dan
- **birth place**: Făgăraș, Brașov County, Romania
- **party**: Independent politician, Independent (since 2017)
- **otherparty**: Save Bucharest Union, USB (2015–2016)
Save Romania Union, USR (2016–2017)
- **partner**: Mirabela Grădinaru
- **children**: 2
- **occupation**: Politician • mathematician • civic activist