He was promoted to senior vice president in 1999 .
Lewis joined Walgreens in 1992 as divisional vice president , logistics and planning and promoted to vice president to head its supply chain in 1996 .
Lewis was promoted to senior vice president in 1999 .
Lewis joined Walgreens in 1992 as divisional vice president , logistics and planning and promoted to vice president to head its supply chain in 1996 .