Sam Walker is The Wall Street Journal’s deputy editor for enterprise, the unit that oversees the paper’s in-depth page-one features and investigative reporting projects. A former reporter, columnist, and sports editor, Walker founded the Journal’s prizewinning daily sports coverage in 2009. He is the author of Fantasyland, a bestselling account of his attempt to win America’s top fantasy baseball expert competition (of which he is a two-time champion). Walker attended the University of Michigan. He lives in New York City with his wife and two children.