He is also rosh yeshiva of Ohr Etzion, affiliated with Bnei Akiva, and was awarded Prat Yisrael.
R’ Marc Angel is a talmid chacham, yet people challenge his conversions.
R’ Manny Vinas is also a big talmid chacham, having learned under R’ Zweig in Miami and at R’ Ziegler’s kollel, yet his conversions are challenged.
R’ Moshe Soloveichik in Chicago is also given flak over his conversions, as are many other Orthodox rabbis.