Ernst & Young (EY) is one of the largest professional service firms in the world and one of the "Big Four" accounting firms, along with Deloitte, KPMG and PricewaterhouseCoopers (PwC). Ernst & Young is a global organization of member firms with 167,000 employees in more than 140 countries, headquartered in London, England.[5] It was ranked by Forbes magazine as the eighth-largest private company in the United States in 2011.[6]
The Tech Challenge is one of the longest-running youth engineering programs in the country. The Tech Challenge helps engage thousands of young people in hands-on projects that help them develop their 21st century skills.