Dr. Wig is Walmart’s Chief Medical Officer following a long career in the pharmaceutical, medical device, health services, and PBM sectors. Prior to Walmart, he served as Chief Medical Officer for Express Scripts at Cigna, where he spearheaded clinical program design and business development across the commercial, health plan, and regulated market segments. Dr. Wig has also served as Chief Medical Officer at DaVita Rx, Vice President of Market Development at Fresenius Medical Care, Chief Medical Officer for CHF Solutions/Gambro and held a variety of senior roles in medical affairs and commercial strateg...read more