User blog comment:John Alfred Hammond, CEO/Was John Hammond a millionaire or billionaire?/@comment-6493791-20130601011628

According to Hammond in the novel, they intended to open all Jurassic Parks (both Europe and Japan) by 1994, four years after the opening of the first park. At that point, direct revenues would exceed ten billion dollars a year, with merchandising, television, and ancillary rights would all double that, for a grand total of over twenty billion dollars a year.