IRIS Software Group, a global software provider of accountancy, payroll, HR and education solutions, has appointed Marissa Carlson as chief marketing officer.

Jonathan Priestley, who previously served as interim CMO, is assuming a newly created role as general manager, global accountancy solutions and transformation.

Carlson brings nearly two decades of experience scaling high-growth businesses and building high-performing marketing teams. She most recently served as CMO at TigerConnect and previously was CMO at Intelerad, where she built global brand recognition and drove the company’s rapid expansion in the US acute care market.