Gottlieb is currently the Mark Taper Forum and the Ahmanson Theater's resident sound designer, has been heard on and off Broadway, most recently with Terrence McNally's Tony award-winning Master Class, starring Zoe Caldwell and later Faye Dunaway in the national tour, Bermuda Avenue Triangle, with Renee Taylor and Joe Bologna and Hughie, with Al Pacino at the Mark Taper Forum in Los Angeles. Recent designs for the Taper includes Enigma Variations with Donald Sutherland, House Arrest: An Introgression by Anna Deveare Smith, Putting It Together with Carol Burnett, in association with Cameron Mackintosh, The Cider House Rules directed by Tom Hulce and Jane Jones, Nine Armenians directed by Gordon Davidson, Master Class (for which he received a L.A. Theater Ovation Award ) and Henceforward (for which he received a Los Angeles Drama Critic's Circle Award). His designs at the Ahmanson Theater include Measure For Measure, and A Midsummer Night's Dream directed by Sir Peter Hall, The Heiress, Candide, Conversations With My Father, It's Only A Play, The Most Happy Fella, A Little Night Music and The Vortex at the Doolittle Theater.

Other recent designs have included Hedda Gabler with Annette Bening directed by Daniel Sullivan, Collected Stories with Linda Lavin directed by Gil Cates, and Four Dogs And A Bone with Martin Short directed by Lawrence Kasdan at the Geffen Playhouse; Only A Kingdom, Sleuth and Same Time, Another Year at Pasadena Playhouse; Twist Of Faith and Kindertransport at the Tiffany Theater; Light Up The Sky at the La Jolla Playhouse, and Our Town at South Coast Repertory.

Jon has received seven LADCC Awards, over 60 Drama-Logue, L.A. Weekly and NAACP Theater awards, Career Achievement awards from The Los Angeles Theater Alliance, the L.A. Weekly and the Los Angeles Theater Center, and the Distinguished Artist Award from the Music Center Club 100. He served for five years as the resident sound designer at the Los Angeles Theater Center, and prior to CalArts was a member of the teaching faculty at both USC and UCLA Schools of Theater. For Disney Imagineering, he created original sound effects and design for two attractions at Walt Disney World in Florida. In 2002 Jon served as Sound Designer for the Center for New Theater at CalArts' inaugural production of King Lear , both in its world premiere at the Brewery in Los Angeles in 2002 and for its subsequent production this summer in France at the Frictions Festival, sponsored by Theatre Dijon Bourgogne.