Tim Parker is a well-known author with over 800 feature articles and reviews published in many different magazines. In addition, Dr. Parker has written or contributed to two dozen books. He is currently Technical Editor of SCO World Magazine, Contributing Editor of Canadian Computer Reseller, and a frequent contributor to UNIX Review Magazine. Dr. Parker is president of TPCI, based in Kanata, Ontario. TPCI provides technical writing, training, investigative, and consulting services to many large corporations, military installations, and law enforcement organizations.

When not busy writing books or articles, Dr. Parker can be found outdoors. He is a semi-professional photographer, white-water kayaker, and hiker. He is also a scuba diving instructor and licensed pilot.