Ms. Keller brings to the Board broad international healthcare industry experience, including her leadership as the former Chief Executive Officer of Covance Drug Development, where she led the world s largest provider of research and clinical laboratory services. Over her three decades at Covance (1987 2016), she oversaw complex international operations, research and development and supply chain in more than 200 countries. Ms. Keller is the Founder and Principal at Black Frame Advisors LLC, which serves the healthcare and pharmaceutical industry. Ms. Keller s experience marketing to customers and promoting goods and services through her role at Covance Drug Development, including leading the Global Marketing function, provides valuable perspective to the Board. Her international executive leadership experience as CEO and other senior roles for a publicly traded multinational company, along with her Regulatory and Quality Assurance experience in the U.S., EU, China and Japan, strengthens the Board s ability to navigate complex global compliance and operational challenges. As Chair of the Nominating & Corporate Governance Committee and member of the Compensation Committee, Ms. Keller leverages her background in drug development, corporate management expertise and operational excellence to strengthen West s governance practices. Ms. Keller is Chair of the Wisconsin Alumni Research Foundation (WARF).