Mualem is collaborating with and designing for Passport Ensemble Theater Group.

Iris designed the lighting and co-created the video art (with video artist Nimrod Zin) for the show Citizen K. She designed the space, lighting and video (in collaboration with video artist Nimrod Zin) for the show Leah. She also designed the lighting and video (in collaboration with video artist Lior Sadeh) for the show Somewhere.

Holds an MFA in Design from Tel Aviv University's Department of Theater Arts.

Winner of four Israel's Independent Theater Awards and an additional award from the Acco Fringe Festival.

Among her recent works: space, lighting and video design for the show Medea directed by Shlomo Plessner for Can Ensemble and a co-creation with Shimrit Malul for the show What a Beautiful Day at Tmuna Theater's A-Genre Festival.