Commencement ceremonies at Cal Poly this weekend celebrate the accomplishments of about 3,800 students.
The university held ceremonies Saturday, which continue Sunday at 10 a.m. in Alex G. Spanos Stadium.
As many as 30,000 people were expected to attend, Cal Poly officials say.
Saturday's keynote speaker was Apple executive Peter Oppenheimer, a Cal Poly agricultural business alumnus who graduated in 1985.
Oppenheimer was presented an honorary doctor of science degree.
Longtime Cal Poly supporters Bert and Candace Forbes will make Sunday's keynote address. They cofounded the technology company Ziatech Corp. in 1976, which was purchased by Intel in 2000. They'll also receive honorary doctor of science degrees.
Saturday's commencement included the College of Agriculture, Food and Environmental Sciences (749 eligible graduates); College of Liberal Arts (592 eligible grads); College of Science and Mathematics (545 eligible grads; 197 credentials); and Continuing Education (17 eligible grads).
Sunday's ceremony will feature the College of Architecture and Environmental Design (390 eligible grads); Orfalea College of Business (480 eligible grads); and College of Engineering (1,097 eligible grads).