peter welch

i was wondering if anyone knew anything about peter welch...he was the boxing coach on the ultimate fighter 1. i know he only had like 5 pro fights...but does anyone know bout his training skills. i mean i saw how some of the guys on the show...their boxing got alot better. and i watched clips of him teachin how to throw a perfect jab...and i tried it and it worked. but yea...anyone know anything about him. other than whats on his website?