Unlock Health has appointed Greg Walsh as Chief Executive Officer, succeeding co founder Brandon Edwards.Edwards will continue to remain on the company’s board and serve in an advisory capacity.Walsh joins the healthcare marketing firm after holding senior leadership positions at Interpublic Group and Havas. Most recently, he served as Global Chief Transformation Officer at Havas Media Network.Unlock Health works with hospitals, health systems and physician organisations, offering services across healthcare marketing, media, technology, analytics and consulting.Commenting on his appointment, Walsh said healthcare organisations are increasingly seeking partners that can combine strategy, creativity, media, technology and analytics to deliver measurable outcomes. He added that Unlock Health has built a differentiated model designed for the complexity of the healthcare sector.Edwards co founded the company and led its expansion in the healthcare space. According to the company, he will continue supporting consulting and strategic advisory initiatives through his role on the board.