[2] He is the younger of Rabbi Moshe Feinstein's two sons, the leading posek of post-war America.

[5][6] His wife, Shelia (Chava Sara) died on August 8, 2018, after suffering severe injuries in a motor vehicle accident.

Aside from the countless visitor and phone hours, Rabbi Feinstein continuously reaches further to teach and help the community at large.

He gives shiurim (classes) regularly including a popular weekly Chumash Shiur which gets live streamed via https://www.DarcheiSholom.com.

He founded and spearheads numerous organizations including Yeshiva of Staten Island and Chasdei Lev.