Marianne Louise Thieme (born March 6, 1972 in Ede) is a Dutch animal rights activist and writer, and also a former politician of the Party for the Animals (PvdD). She is co-founder of the party, and was political leader from 2002 till 2019.
She was a member of the Second Chamber and also parliamentary leader from 2006 till 2019. Previously she was party chair from 2002 to 2010.
Esther Ouwehand has succeeded her as party and parliamentary leader.
- (in Dutch) Bio at Parlement.com