Johanna Herrmann is Senior Vice President of Global Communications and Strategic Operations, and Chief of Staff to the Executive Vice President and Chief Communications & Public Affairs Officer at Merck & Co. She oversees an international team of more than 100 communicators spanning digital, internal and external communications, crisis response , and strategic operations. Johanna draws on strategic leadership and extensive experience from previous roles at Gagen MacDonald, WellCare Health Plans, and The Coca-Cola Company.