Walmart has appointed Tom Horton, former chairman and CEO of American Airlines, to its board of directors, effective as of Nov. 21. Horton became the sixteenth member of the board and will also serve as a member of the audit committee.

Walmart has appointed Tom Horton, former chairman and CEO of American Airlines, to its board of directors, effective as of Nov. 21. Horton became the sixteenth member of the board and will also serve as a member of the audit committee.