
Firstly, have a read of the first post on the Breeding forum of this site.
Fortunately (as advertising is not allowed on the Forum!) you haven't mentioned his breed, but you also don't say that he has passed all the breed-relevant tests for hereditary conditions (hip-scoring, elbow-scoring, BAER testing,eye-testing, heart-testing etc etc etc). Neither do you mention his achievements in the showring, working trials, field trials, agility or obedience.
There are hundreds of Champion sires out there - your job is to prove to bitch owners that he's got more to offer than his rivals ...