Who is the most influential of all rabbonim in Israel? According to Channel 10, it is Rav Aharon Leib Shteinman shlita.
Influential, in this case, means being a leader who is taken very seriously by members of the group in question.
In terms of direct influence on the lives of members, Litvishe rabbonim, led by Rav Shteinman, are the most influential, according to the report. Also very important in the community, said the report, is Rav Chaim Kanievsky. Read more about the report at Arutz Sheva.