Complex sentence: During Williams'presidency at the University of Cincinnati, enrollment reached an historic level; the University established a new health systemm and under Williams' leadership, the final phase of Proudly Cincinnati campaign achieved it's fundraising goal of one-billion dollars.
Split into simpler sentences: During Williams'presidency, enrollment reached an historic level, and the university established a new health system. Under Williams' leadership, the final phase of Proudly Cincinnati campaign achieved its fundraising goal of one billion dollars.