Executive and CEO Information

LexisNexis Academic

-select the "Business" tab

-then "Company Profiles"

-scroll through the Sources selections and pick "U.S. Executive Compensation Database-Boards and Committees"

MarketLine

-brief biographies in the Company Profiles

Hoover's Online

-in the company profile, key people are listed

-for many, there is a full executive biography

Bloomberg 

-a database in Reference

-type in ticker symbol

-hit the EQUITY key

-type in MGMT

-hit the GO(enter)key