Just posted by the FIE to their video channel.  Enjoy.

Alex Massialas (USA) defeats Georg Doerr (GER) 15-5 in the finals of the 2011 Cadet Men’s Foil World Championships.  He repeats his gold medal performance of 2010.

Massialas has competed at the Cadet Worlds every year since 2008, his first year of eligibility for the event.  He won individual bronze in 2009 and the gold in 2010.

Alex Massialas wins the 2011 Cadet World Championship
Alex Massialas scores a hit on Doerr (GER). Photo S.Timacheff/FencingPhotos.com