hello,

do not know of him personally. if he is anything like his brother, then he is knowledgeble. if he is like his brother, then it is likely you are fortunate to have him.

of course, this is speculation. if you really want to know, take a class with him, and perhaps after class you might "sit down with him" and talk for a short time after class.

this should give a strong indication of his personality, temperment and general skill level.

good luck to you.

thanks.