What is richard t. clark?

As an AI language model, I do not have access to updated information about living individuals as it is considered private. However, I can provide some general information about Richard T. Clark based on publicly available sources.

Richard T. Clark is an American business executive who is best known for his tenure as the CEO and Chairman of Merck & Co., one of the world's largest pharmaceutical companies. He held several leadership positions at Merck over the course of his career, including President of Merck Manufacturing Division, President of Merck's US Human Health Division, and Executive Vice President of Merck's Global Human Health Division.

Clark is widely regarded as a successful and influential business leader, having been recognized with numerous awards and honors throughout his career. In 2010, he was named as one of the 100 Most Influential People in the World by Time Magazine, and he also served as the Chairman of the Federal Reserve Bank of New York from 2011 to 2013.

Aside from his work at Merck, Clark has also served on the boards of several other notable corporations, including ExxonMobil, Citigroup, and Harvard Management Company. He is also a member of the advisory board of the Yale Cancer Center and a trustee of the Rockefeller Family Fund, a philanthropic organization that aims to promote sustainable development.