I have to agree with the above. It sounds like his personality just grates on you. You are not required to like everyone. In life we need to cooperate with all kinds of people, some we love and some we may want to punch in the face.

It is totally ok for you not to like this person as long as you remain professional. And please do not give yourself an ulcer worrying about it.

A quick book recomendation "who's pushing your buttons" is a really good read. It gives you concrete techniques for dealing with people who get under your skin.