You already have a character that is both famous, and his multiple facets are well known from the media.
Write a fictional novel around that character, or even a series of books with their own world, mixing known facts, background and stories with fictional ones. Just like historical fiction but based on known business leaders.
The news is an excellent source for ideas. As people already know about the news item, it might be easier to “sell” them on reading the short story.
“The Fictional Times,” a website where you can read great short stories about today’s news.