Robert Pozen is a very productive person: An MIT Sloan senior lecturer, he served as the former president of Fidelity Investments, executive chairman of MFS Investment Management, and as an associate general counsel of the U.S. Securities and Exchange Commission. His latest book is “Extreme Productivity: Boost Your Results, Reduce Your Hours,” and he teaches the MIT Sloan executive education course Maximizing Your Personal Productivity: How to Become an Efficient and Effective Executive.