Optimizing Customer Loyalty - How Best Buy has added a Premier Silver tier to its Reward Zone program and what it means Margaret Murphy, President of Denali Marketing, and Barb Olson, Vice President of Loyalty, Best Buy, will share the launch of the Premier Silver tier for Best Buy's Reward Zone program. What went in to the thinking, the value proposition of the program, and how they're continuing to optimize the modeling approach to ensure the Best customers are Premier Silver and stay Premier Silver.