Ann Marks spent thirty years as a senior executive in large corporations and served as chief marketing officer of Dow Jones/The Wall Street Journal. After retirement, she put her research and analysis skills to use as an amateur genealogist and became inspired to unlock the mysterious life of photographer Vivian Maier. She has dedicated years to studying Maier’s archive of 140,000 images and is an internationally renowned resource on Vivian Maier’s life and work. Her research has been featured in major media outlets, including the Chicago Tribune, The New York Times, and the Associated Press. Marks lives in Manhattan with her husband and three children.