who is he?

I want to know about that member.......can any one tell me who is he?

He is member from a long  time but date of membership is not given.

i went through his contributions..............he is very much help ful

Our CA Club has some Guests who post some nice articles here to some other club namely mba club .These Guest may not be a single person but there might be a group of say 5 or 6 of them uyou can contact admin to know about the same