Søren Frøstrup-Agger was educated as an educator in 2004. After jobs such as deputy head and head of the daycare institution Krøyerhaven in Holstebro, he became 2012 head of Midtbyens Børnehus in Holstebro, which today includes four institutions with a total of approx. 220 children and approx. 50 employees.
Søren is a Member of Holstebro City Council for the Social Democrats since 2018.