| 1999-2003 | Member of Basel-Stadt Constitutional Council, chair of constitutional commission on financial affairs |
2001-2005
| Member of Basel-Stadt Cantonal Parliament, member of the education and culture committee
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2004-2005
| President of the SP Basel-Stadt
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2005-2020
| Member of the Cantonal Council and head of the Basel-Stadt Finance Department, responsible for finances, taxes, real estate, human resources and IT
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2007-2020
| Chair of the Conference of Cantonal Finance Directors, vice president since 2016
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2020-
| Member of the Council of States representing the Canton of Basel-Stadt
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