4/15/2011 25 Under 25® Winner Stephanie Isaacson, co-founder and president of New Horizons Enterprises. New Horizons provides quality environmental management and contracting services throughout the United States. In addition to being a 25 Under 25® winner, Stephanie also earned national Honorable Mention Recognition for the 2011 Enterprising Women of the Year Awards by Enterprising Women magazine. LISTEN