Deborah Brand’s talk at RetailSpaces ended with a bit of a revelation for many— her employer, Taco Bell, is featured on the cover of Fast Company magazine as one of the world’s 50 most innovative brands.

In a fast-moving discussion at RetailSpaces ’15, Darden Restaurants’ Todd Taylor and Walgreens’ Steve Lamontagne shared practical, in-depth thoughts on successfully managing large portfolios of assets.

Walgreens’ executive John Miologos facilitated...