Along with Joseph Pearce, Asch has been co-editor of the St. Austin Review, a Catholic cultural and literary magazine, since September 2001.

[1] Asch was Senior Master and teacher of English and History at Chavagnes International College, France, from its inception in 2002 till 2012.

[1] He was recently awarded a Wilbur Research Fellowship at the Russell Kirk Center for Cultural Renewal for his work towards a new study of the English poet Lionel Johnson.

In July 2022, Asch appeared as a speaker at the 41st Annual Conference of the American Chesterton Society in Milwaukee, Wisconsin.

After several years of living in the post-Velvet Revolution Czech Republic, Asch converted from Reform Judaism to Roman Catholicism, which he has called, "a completion" instead of a rejection of the Jewish religion, in 1996.