Our American Dream: Daughter of immigrants now CEO of $1B Pinnacle Group. Nina Vaca is best known as the Chairman and CEO of Pinnacle Group, which was named the Fastest-Growing Women-Owned Business in the United States in 2015. Vaca is the Chairman Emeritus of the United States Hispanic Chamber of Commerce (following her service as Chair from 2010-2012), as well as Chairman of the USHCC Foundation. She currently serves as a Presidential Ambassador for Global Entrepreneurship (PAGE) through the United States Department of Commerce and sits on the boards of three publicly-traded companies. Vaca is part of the 2016 Class of Henry Crown Fellows, from the Aspen Institute, a new generation of leaders to positively impact society. The story of Nina Vaca and Pinnacle Group opens the Entrepreneur chapter of the McGraw-Hill textbook, “Understanding Business”. Vaca is part of the 100 CEO Leaders in STEM publication by STEMconnector, in an effort to identify, showcase, and honor STEM leadership.