William Flaherty Chairman &CEO Horsehead Industries Inc. Revenue: $400 million Employees: 1,800 William Flaherty founded Horsehead Industries in 1981 and is the company's largest shareholder. Since its inception, Horsehead Industries has developed into three distinct operating divisions involved in the production of graphite, calcine petroleum coke, zinc metals and … [Read more...] about The 100 Most Influential Irish Americans in Business: W. Flaherty – C. Galvin