Born in 1954, Bill Zanker is an American businessman, Author, and Producer who is best known for being the founder of the adult education company The Learning Annex. Literarily he is most widely known for his coauthorship with US President Donald Trump on their book Think Big: Make it Happen in Business and Life (2008). The growth of his small business stems from Zanker's partnership with and learning from Donald J. Trump's think BIG strategies. Zanker has been featured in Success, Forbes, Fortune, Inc., and Money magazines. He lives in New York City and Park City, Utah.