By 1980 the part time business was so successful that he had to quit his job and run the company full time. At the same time John Dvorak began a newsletter called the Software Review. In 1982, he was approached by CW Communications to edit a growing new journal called InfoWorld.
John Dvorak has been the featured guest on The Larry King Show, the Christian Science Monitor's radio interview show; PBS's All Things Considered, The Pat Bohannon Show, Entertainment Tonight, Voice of America, ABC Business Report, and other national shows. He is a renowned, award-winning analyst in the high tech field, and was the host of TechTV's Silicon Spin. Additionally, John Dvorak was a weekly on-the-air columnist for the Computer Cafe in Los Angeles, and a correspondent for Thames Television, London. He has been profiled in Business Week, The San Francisco Bay Guardian, Microtimes, the New York Times, Wired Magazine, and the Wall Street Journal. His radio show, Real Computing, can be heard on National Public Radio.

John C. Dvorak has written over 4,000 articles and columns, as well as authoring or co-authoring 14 books. He is a contributing editor of PC Magazine, for which he has been writing two columns, including the popular "Inside Track," since 1986. His writings have also appeared in Newsweek, Time-Life publications, the International Herald Tribune, the Los Angeles Times, San Francisco Examiner, Vancouver Sun Barron's, MicroScope, Ahoy, Computer Shopper, Computer Currents, High Tech Import/Export, Marketing Computers, Continental Magazine, Information Technology, Canadian Datasystems and elsewhere. Many of his writings have appeared internationally in publications such as Australian PC World, PC Magazine of Greece, PC Magazine Israel, PC Expert (Paris) , Debug (Paris) , and MacUser England.

A featured speaker in many conferences and expositions including the National Computer Conference, John Dvorak has also been a keynote speaker at the West Coast Computer Faire, one of the most prestigious microcomputer shows.

He is a founding member of the advisory board of the Software Entrepreneurs Forum and a past member of the Software Publishers Association. John Dvorak continues to act as a judge for the Discover Magazine Awards as well as the Corel International Computer Art Competition. John Dvorak has won eight national awards from the Computer Press Association, including Best Columnist and Best Column. He also received local recognition in San Francisco's Focus Magazine in 1986 as "Best New Columnist." He is the 2004 award winner of the American Business Editors Association's (ABEA) national gold award for best online column of 2003. John Dvorak earned an unprecedented second national gold award from the ABEA in 2005, again for the best online column (for 2004).