Retiree Healthcare Plans: The Hidden Threat To Local Governments. Robert Pozen, March 25, 2015, Video. “Robert C. Pozen is Senior Lecturer at Harvard Business School and Senior Fellow at the Brookings Institution. He was formerly Chairman of MFS Investment Management®, which manages over $200 billion in assets for over five million investors worldwide. This represents an increase of about 75% from the first half of 2004 when Bob was named Chairman. Bob was formerly vice chairman of Fidelity Investments and president of Fidelity Management & Research Company, the investment advisor to the Fidelity..Link