Kenneth Frazier and Richard Clark
Merck has announced that its chairman Richard Clark will retire from the company and the board of directors.
The news comes after Clark stepped down from his role as president and CEO, handing over to Kenneth Frazier. In his stead, Frazier will also become chairman.
Clark said: "I have been a part of Merck for more than 39 years – I always have and always will consider Merck to be an important part of my life and my extended family.”