He has posted game records, including from the recent European Championship, at
http://www.golessons.com/games.php
Cornel is a Romanian who makes a living teaching Go online while studying at University. He used to be quite popular at KGS with the screen-name MyMaster. Then IGS unbanned him, he made an exclusive deal there, and has not been to KGS since.
He is playing in KGS as Cornel with a 7D rating.
He is back on KGS, playing as Cornel, first appearance on Jul 16, 2004, where he played TheCaptain.