Here we feature the innovators on the Forbes 400 and the up and comers likeliest to make it into the ranks of the list, such as the founders of highly valuable startups Twitter, Groupon and Dropbox.

At the rate they’re rising, these moguls and shakers are headed into The Forbes 400 someday. A little luck couldn’t hurt, either. Every year unexpected newcomers climb into the ranks of ...

Nearly every state is home to someone who has landed on the latest Forbes 400 list, published Tuesday. Among those are ...