Jaak Aab, an Estonian politician affiliated with the Centre Party, has served in multiple key roles during his political career:
- Mayor of Võhma: Aab began his political career as the mayor of Võhma.
- Member of the Riigikogu: He served in the IX, XI, XIV, and XV Riigikogu, Estonia's national legislature.
- Minister of Social Affairs: Aab held this position from 2005 to 2007.
- Minister of Public Administration: He served in this position across different terms, including 2017–2018 and 2019.
- Minister of Education and Research: Another significant role in his political career.
For additional details, you can reference his biography on Wikipedia.