She joined the Hungarian Socialist Party, MSZP in 1997. In 1998, she became a member of the Youth, Culture and Sports Committee of the 12th District Municipality of Budapest. Since 1998, she has been a member of the MSZP 12th District Committee, and from 2000, member of the party's economic branch. In 2001, she became a member of the Budapest Council of the MSZP.[6] Between 2002 and 2014, she was a representative of the capital's general assembly.[5]
In 2019 she ran for Budapest Mayor as a part of a coalition, but Mayor Péter Szentgyörgyvölgyi remained the mayor of the district. On 5 November 2019, the Metropolitan Assembly elected her Deputy Mayor, responsible for city management. As Deputy mayor she worked in fields like climate adaptation, waste and water management, public transport, and utility services. Currently, she chairs the supervisory board of the Budapest Waterworks Company and the Budapest Sewage Works Company that are 100% public owned companies.[1]
In 2022 she started representing the MSZP as part of the PES Presidency and has been as a board member of the Progressive Alliance,[7] being also vice-chair of the Party of European Socialists group in the European Committee of the Regions.[8] In 2023, Forbes named her the 9th most influential Hungarian woman in public life.[9]
On February 19, 2025, in Brussels, she was appointed the President of the Committee of the Regions, replacing Vasco Cordeiro.[10] She is the first Hungarian person to head an EU institution.
She is a mother of two children.[1]
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