Generally, information about the top management and the Board of Directors appears in the SEC filings and is available in many databases.
For private company executives check Mergent Online and/or PrivCo and search the news sources.
Professional social networking sites may also be a source, e.g.LinkedIn or Plaxo.
Use the databases listed below to find information about executives in a specific compny.
Sometimes items can be found in an executive's hometown newpaper. Try both the newspaper where the executive grew up and where the executive currently resides. Another strategy is to go to the websites of the educational institutions that an executive attended and search there. Many universities publish stories on their "successes".