American Medical Association
ama-assn.org

The American Medical Association will give you doctors by name or specialty with office addresses and educational background if they are AMA members.

AnyWho
anywho.com

Based on AT&T information, AnyWho offers free national online telephone directories. Search results will usually return a complete address as well as the phone number.

EDGAR Database
sec.gov/edgar.shtml

Although the information in the Securities and Exchange Commission’s EDGAR database is probably more esoteric than you need, you should be aware that you can gain access to all SEC filings.

Google
google.com

Google is one of the best general search engines on the Internet. Google Finance (google.org/finance) offers a wealth of information about corporate officers.

Highbeam
highbeam.com

This site enables you to search on periodicals and corporate press releases. Retrieving the full text of articles will cost you, however.

LexisNexis
lexisnexis.com

This is a very expensive tool that provides access to a database with information on some 200 million households and 700 million phone numbers, among other information. You might be able to gain free access at some business and academic libraries.

Martindale Directory of Lawyers
martindale.com

This site includes business addresses, areas of practice, and the law schools each lawyer graduated from.

Who’s Who
marquiswhoswho.com

Who’s Who (a pay site) has a long history of compiling biographical data on millions of people worldwide, according to their website. Marquis is the publisher of the most comprehensive Who’s Who.

Yippy
search.yippy.com

This all-purpose search engine clusters results by subcategory. For example, if there is a doctor, a writer, and a journalist all with the same name, Yippy will group the search results in those categories, allowing you to select to see only the results you need.