A filmmaker and animator born in 1981 in Finland. After graduating from Turku Arts Academy in 2011 he became an active member of several Finnish animation collectives that work on both commercial and artistic projects. The collective work includes animated films as well as art installations for exhibitions.

Männistö has directed films such as The Trap (2008), Swarming (2011) and Electric Soul (2013), which have all been screened at numerous international festivals. His filmography includes collective productions Re-Cycling (2014) and Wormhole (2016), in which he worked as one of the animation artists.

In addition to filmmaking Männistö has worked as a visiting teacher at the Turku Arts Academy and he is a co-founder and artistic director of Turku Animated Film Festival. Männistö currently lives and works in Tallinn as a freelance artist.