This Entrepreneur Quit His Job to Start a Company — Any Company — After He Held an iPhone for the First Time. Now His Weight Loss App Has 30 Million Users. Posted by October 6, 2017 Leave a comment on This Entrepreneur Quit His Job to Start a Company — Any Company — After He Held an iPhone for the First Time. Now His Weight Loss App Has 30 Million Users. Lose It! founder Charles Teague explains why it’s better to base a business on big trends.