As a student, Jaśkowiak was a member of the Rural Youth Union (Polish: Związek Młodzieży Wiejskiej).

[3] In the 2010 Polish local elections he unsuccessfully stood for office of the mayor of Poznań representing "My Poznaniacy" initiative gaining 7.16% of the votes.

[4] In the 2018 Polish local elections he was successfully re-elected as mayor of Poznań gaining 55.99% of the votes in the first round.

His interests include cross-country skiing, boxing and theatre, and loves to bike.

Jaśkowiak is also an ardent promoter of the musical legacy of Jacek Kaczmarski with whom he collaborated in the past.