Ann Marks spent thirty years as a senior executive in large corporations and served as chief marketing officer of Dow Jones andThe 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 is the only person in the world to examine Maier’s archive of 140,000 images and is now the go-to source for information related to the photographer’s life and work. Her research has been featured in major media outlets including the ChicagoTribune, TheNew York Times, the Associated Press, and more. Marks lives in Manhattan with her husband and three children.