A baseball fan, he has worked for the Boston Red Sox and Los Angeles Dodgers.

[10][12] Edelman grew up in a modern Orthodox Jewish family and, following high school, spent a year in a yeshiva in Jerusalem.

[17] He has appeared in the UK on television shows such as The John Bishop Show, Alan Davies: As Yet Untitled, Live from the BBC, Roast Battle, and contributed several anecdotes about his experiences as a comedian to the 2015 book Off the Mic, by Deborah Frances-White and Marsha Shandur.

He has done a BBC Radio 4 comedy series called Alex Edelman's Peer Group.

As a comedy writer, he has contributed to the American television shows The Great Indoors (2016–2017) and Teenage Bounty Hunters (2020).

He also trained rabbis to infuse humor into the High Holiday services as part of the Jewish communal response to the COVID-19 pandemic.