Returning to the U.S., he taught at Carlo Clementi's Dell'Arte International School of Physical Theatre in California.

[1] In a review of that film, Janet Maslin singled out Avner for praise: "Avner Eisenberg very nearly steals the film…"[4] Roger Ebert, on reviewing the film, also singled Eisenberg out as "a true comic discovery".

[5] Other notable roles have included a self-titled 1984 Broadway show, an appearance in a 1987 Lincoln Center production of Shakespeare's The Comedy of Errors, and the principal role Srulik the ventriloquist in the 1989 Broadway play Ghetto.

He has also played both Vladimir and Estragon in productions of Samuel Beckett's Waiting for Godot, costarred with his wife, Julie Goell, in the world premiere of Zoo of Tranquility, and portrayed Robert Crumb in Comix.

[6] In addition to his performing, he is certified as an Ericksonian Hypnotist and NLP Master Practitioner, and has taught workshops on silent theater skills as a therapeutic tool for students and professionals in health care, education and counseling, as well as teaching theater workshops.