STEM Center Staff Sara Chavarria Assistant Director spchavar@email.arizona.edu (520) 307-0963 Michelle Higgins Associate Director mlhiggins@email.arizona.edu (520) 621-9842 Sara Kobilka Office Specialist, Senior kobilka@email.arizona.edu (520) 621-4331 Martha Ostheimer Assistant Director ostheime@email.arizona.edu (520) 621-5352 Kimberly Sierra-Cajas Director kjsc@email.arizona.edu (520) 626-7428
