Yingying, a Sino-US student from School of Economics and Trade, who continued her junior and senior years at the University of Indianapolis, was offered a position at Price Waterhouse Coopers. Price Waterhouse Coopers together with KPMG, Ernst & Yong, and Deloitte Touche Tohmatsu is a global professional services firm headquartered in London, United Kingdom. It is the world's largest professional services firm and the largest of the "Big Four" accountancy firms measured by 2011 revenues.