He then went on to become Executive Vice President in 1977 and then President and Chief Operating Officer in 1978 .
In 1975 , Huck was named a Senior Vice President of Merck & Co .
Huck then went on to become Executive Vice President in 1977 and then President and Chief Operating Officer in 1978 .
In 1975 , Huck was named a Senior Vice President of Merck & Co .