Complex sentence: As a Thouron Scholar, he earned an MBA from the Wharton School at the University of Pennsylvania, then an MS from the Harvard School of Public Health and finally a DBA from Harvard Business School.
Split into simpler sentences: As a Thouron Scholar, he earned an MBA from the Wharton School at the University of Pennsylvania. He then took an SM from the Harvard School of Public Health and a DBA from Harvard Business School.