The following colleges and universities have announced their commencement speakers for spring 2012:

• Becker College: Dom Sagolla, co-creator of Twitter, and founder of DollarApp.
• Chicago School of Professional Psychology: Joseph L. White, a pioneer in the field of black psychology.
• El Camino College Compton Center: Jack Scott, chancellor of the California Community Colleges.
• Santa Clara University: Steve Wozniak, co-founder of Apple Computer and currently chief scientist at Fusion-io.
• University of Alberta: Paul Martin, former prime minister of Canada; Chantal Petitclerc, an athlete who holds world records for wheelchair racing; Julio Frenk, dean of the Harvard University School of Public Health; Fan Zeng, dean of the Chinese Painting Institute of Peking University; and others.