Complex sentence: He graduated from Fenwick High School in Oak Park, Illinois and received a B.A. from Hamilton College in 1969 and an MBA from Harvard Business School in 1977 (after serving in the U.S. Navy during the Vietnam War).
Split into simpler sentences: He graduated from Fenwick High School in Oak Park, Illinois. Lafley graduated with a B.A. from Hamilton College in 1969 and an M.B.A. from Harvard Business School in 1977 (after serving in the U.S. Navy during the Vietnam War).