[2] Duke was elected a member of the National Academy of Engineering (2010) for leadership and contributions to the design and implementation of innovative logistics and retail technologies.

Duke joined Walmart in 1995, serving as the executive in charge of the company's international operations.

Duke earned a BS in Industrial Engineering from the Georgia Institute of Technology in 1971, where he joined the Delta Sigma Phi fraternity,[3] and in 2009 served as a member of the institution's advisory board.

[8] As of November 25, 2013, Duke's tenure as CEO ended with his sudden replacement decided by Walmart's Board.

[10] Duke said in 2012 that his biggest regret as CEO was not investing more in e-commerce to better compete with Amazon.