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Dr. John Wigneswaran; Walmart; health care; chief mecial officer

Wigneswaran is Walmart’s new chief medical officer

Wigneswaran is Walmart’s new chief medical officer

BENTONVILLE, Ark. — John Wigneswaran has joined Walmart as the retailer’s new chief medical officer, a role that had been vacant since the departure last spring of Tom Van Gilder, the first executive to hold the position. Wigneswaran previously served as chief medical officer of pharmacy benefits manager Express Scripts and before that was vice