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Not who you're looking for? Others named Richard Clark: British television director · English lawyer and chamberlain of London · English musician and writer · American dermatologist and biomedical engineer
Richard T. Clark is a former chairman of the Merck & Co. (MSD) pharmaceutical company, a position he held from 2007 to 2011. His previous leadership positions at Merck & Co. include CEO (2005–2010), president (2005–2009) and president of the Merck & Co. manufacturing division (2003–2005).
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