Orbis - type the company name in the search box, select the proper entity if more than one appear, and once the company report is displayed click on "Directors, Managers, & Advisors" on the left-hand tool-bar. Includes both current and past appointments.
Sabi - type the company name in the search box, select the proper entity if more than one appear, and once the company report is displayed click on "Directors, Managers, Contacts & Advisors" on the right-hand tool-bar. Includes both current and past appointments.
MarketLine, search for the company name on the search box and then select Company Profiles on the drop-down (select the proper entity if more than one appear). Select Profile and then, Key Employees in the left-hand menu.
Use Capital IQ. Search for a company and select People on the left-hand tool-bar.
Board of director information can be found within a company's 10-K filing. Search for 10-K reports in the Securities and Exchange Commission (SEC) database, EDGAR.