He and six other siblings made aliyah to Israel as adults, however Portnoy and his brother Sruli have since moved to the USA where they currently reside (as of 2024).

[1] In 2010, he performed at the Complete Unity Concert at Heichal Shlomo alongside Aharit Hayamim, Shtar, and JudaBlue.

[2] He and Sruli participated in the music video "Waving Flags", performed by campers and volunteer staff at Camp Simcha.

He was the final keyboardist for the Jewish rock band Hamakor, performing on their 2014 single "Lift Me Up".

In addition to being an artist and a producer, Portnoy is also a professional editor and photographer and was Ezra Kress's rotator at camp simcha special from 2010-2011.