Asher maintains an active concert career: notable recent engagements include solo recital performances at the Walton Arts Center, the Crystal Bridges Museum of American Art, and the Royal College of Music in London (UK), as well as appearances as concerto soloist with Pax Christi Chorale and the Mozart Players of Toronto, and with the North York Concert Orchestra.

A passionate, committed teacher, Asher is on the Piano Faculty of the University of Toronto where he is a Lecturer of Piano and Chamber Music. Prior to this appointment Asher served as an Assistant professor of Piano at the University of Arkansas, and Asher has also taught at the Interlochen School for the Arts.

Asher serves as an adjudicator and masterclass clinician at many festivals and competitions throughout North America, and internationally, and is also a proud member of the Royal Conservatory's College of Examiners. As a scholar, Asher's work has been published by Cambridge University Press's Tempo, as well as Clavier/Piano Magazine, American Music Teacher, the European Piano Teachers Association Piano Journal, Canadian Music Teacher, MTNA's E-Journal, the Kaprálová Society Journal, and others.