[1] He is a member of the Moetzes Gedolei HaTorah (Council of Torah Sages) of Agudath Israel of America.

[4] Kotler is a member of the Moetzes Gedolei HaTorah (Council of Torah Sages) of Agudath Israel of America.

[5][6] Kotler's first wife Hinda was the daughter of Yechiel Michel Feinstein and Lifsha, the granddaughter of Yitzchok Zev Soloveitchik.

When Kotler succeeded his father, who died while Kotler was in the US visiting him, as rosh yeshiva of Beth Medrash Govoha, Hinda Kotler refused to join her husband in Lakewood or accept a get (Jewish divorce document) without a rabbinical court in Israel hearing the case; she refused to submit to an American rabbinical court.

[10] This created a rift within the non-hassidic part Hareidi world, with some claiming that the heter meah rabbanim was invalid.