Jill S. Tietjen, PE, is an author, national speaker, and electrical engineer. After more than forty-five years in the electric utility industry, her professional focus is now on women’s advocacy, worldwide. Her ten books include the bestselling and award-winning Her Story: A Timeline of the Women Who Changed America and Hollywood: Her Story, An Illustrated History of Women and the Movies. She has been inducted into the Colorado Women’s Hall of Fame and the Colorado Authors’ Hall of Fame.