William Shanahan President & COO Colgate-Palmolive Revenue: $8.9 billion Employees: 38,000 Colgate-Palmolive is the global giant behind such household brand names as Colgate, Ajax, Murphy's Oil, Palmolive and, of course, Irish Spring. William Shanahan is the driving force behind the company's success. As president and chief operating officer, Shanahan counts among his … [Read more...] about The 100 Most Influential Irish Americans in Business: W. Shanahan – J. Sullivan