John founded one of the Internet's earliest advertising networks (bannerclicks.com) and sold it to publicly traded WebQuest International, Inc. (WEBQ) at the height of the first dot com boom. He then built a biotech b2b portal website (vitalBio.com) and sold it to a group of investment bankers.
After that he developed the award-winning Submission-Spider search engine submission software that's been used by over 3 million individuals, businesses, and governments in over 42 countries.
Today John produces educational web video, writes and publishes a series of books on Internet Marketing and Computer Programming, and runs Codemy.com the online school he founded that teaches people to code through a series of hands-on interactive web videos about Python, Django, Ruby on Rails, PHP, and more...