Board of Regents president and agribusiness entrepreneur Bruce Rastetter will speak at the undergraduate commencement ceremony May 9. 

Susan Lamont, a long-time animal science professor, will address the graduate student ceremony May 8. James DeLano, co-founder of a California veterinary hospital and ISU alumnus, will speak to veterinary medicine students.

• Graduate College, 8 p.m., Friday, May 8, Hilton Coliseum
• College of Veterinary Medicine, noon, Saturday, May 9, Stephens Auditorium
• Undergraduate, 1:30 p.m., Saturday, May 9, Hilton Coliseum