Tribune staff report | Walgreen Co. named Ginger Graham to its board of directors Tuesday. Graham will become the 10th member of drugstore chain’s board on May 1.

Graham is the president and CEO of Two Trees Consulting and a senior lecturer of business administration at Harvard Business School. She’s also the former president and CEO of Amylin Pharmaceuticals and has also worked at heart device maker Guidant Corp. and drugmaker Eli Lilly.