Let Us Do GoodFor the 25th Anniversary of 9 11, the founder of the largest 9 11 nonprofit tells the inspiring story of his heroic brother, his familys mission, and the families they have helped with over $2 billion in donations. On September 11, 2001, FDNY Firefighter Stephen Siller had just finished his shift when he heard the call. He turned his truck around and drove toward the Twin Towers. With every road closed and sixty pounds of borrowed gear on his back, he