Emmi Silvennoinen, born in finland(of course) in 1988, is the keyboardist for the melodic death/gothic metal band Exsecratus. She is currently filling the same role for Ensiferum on a temporary basis following the departure of their keyboard player Meiju Enho in September 2007.

and that's her:  http://www.exsecratus.com/jasen/emppu1.jpg