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Tunnels to Towers

Tunnel to Towers Foundation

Tunnels to Towers Foundation

Since 2014, GMC has partnered with the Tunnel to Towers Foundation as its exclusive and national charity of choice. With more than 100 years of supporting the U.S. Military, GMC is committed to our partnership and our nation’s heroes.  In that time period, GMC and its dealers have raised over $20 million to support catastrophically injured veterans by building specially adapted, mortgage free, custom smart homes, and paid off mortgages for the families of fallen first responders and gold star families.  Most recently, GMC’s first ever, Hummer Edition 1 was auctioned at Barrett Jackson where it raised $2.5 million with 100% of the proceeds going to Tunnel to Towers.

Stephen Siller's Story

Stephen Siller's Wedding
Stephen Siller And Tom

On September 11, 2001, Stephen, who was assigned to Brooklyn’s Squad 1, had just finished his shift and was on his way to play golf with his brothers when he got word over his scanner of a plane hitting the North Tower of the World Trade Center. Upon hearing the news, Stephen called his wife Sally and asked her to tell his brothers he would catch up with them later. He returned to Squad 1 to get his gear.


Stephen drove his truck to the entrance of the Brooklyn Battery Tunnel, but it had already been closed for security purposes. Determined to carry out his duty, he strapped 60 lbs. of gear to his back, and raced on foot through the tunnel to the Twin Towers, where he gave up his life while saving others.


Stephen had everything to live for; a great wife, five wonderful children, a devoted extended family, and friends. Stephen’s parents were lay Franciscans and he grew up under the guiding philosophy of St. Francis of Assisi, whose encouraging and inspirational phrase “while we have time, let us do good” were words that Stephen lived by. Stephen’s life and heroic death serve as a reminder to us all to live life to the fullest and to spend our time here on earth doing good – this is his legacy.