Career
She was first elected to the parliament in 1995. In December 2005, Krohn was appointed the new managing director of the Finnish Film Foundation. She was succeeded in the Parliament by another Green from Helsinki, Johanna Sumuvuori.
Krohn was born in Helsinki, Finland.
She has a master"s from the Theatre Academy of Finland. Krohn was married 18 years to the movie director Wille Mäkelä.
They have two children, Rudolf (b 1993) and Frida (b 1997). Krohn is the niece of the Finnish author and journalist Kaarina Goldberg.