Complex sentence: In 1965 Rev. Nicanor Lana, OSA, Ph.D. became rector of the university, and his tenure powered alumni successs and resulted in vast improvements in the school's infrastructure.
Split into simpler sentences: In 1965 Rev. Nicanor Lana, OSA, Ph.D. became Rector of the University. His term saw improved successs with regard to alumni relations, resulting in vast improvements in the school's infrastructure.