Nashville-based Unlock Health, which bills itself as the largest fully integrated healthcare marketing agency serving hospitals, health systems and other large physician organizations, has appointed Greg Walsh CEO.  

Walsh joins from Havas Media Network where he was most recently Global Chief Business Transformation Officer. Previously, he was CEO of Havas Media’s North America region.  

Before joining Havas in 2019, Walsh served at Interpublic Group for over a decade lastly as Global President of the holding company’s barter media operation Orion Worldwide. Earlier he was CFO for IPG Mediabrands’s North America region.  

Former Unlock Health CEO and co-founder Brandon Edwards will remain on the company’s Board of Directors and continue supporting Unlock’s consulting and strategic advisory initiatives, according to the agency.