University of Southern California

Thomas Ryan
Professor of the Practice of Accounting

USC Marshall School of Business
Los Angeles, CA 90089-0808

MBA, DePaul University; BS, University of Illinois - Chicago


Thomas Ryan is an expert on valuation for financial statement and federal tax purposes. He retired from the PricewaterhouseCoopers partnership in 2010. As PwC's national tax valuation leader from 2002 to 2006, he guided growth of the practice to ten cities. He also served as managing director at KPMG and was a partner at Arthur Young. He has over 35 years of experience valuing the business enterprise, intangible assets, real property, and manufacturing assets. He teaches valuation topics for CFALA and is the Leventhal School's representative to International Valuation Standards Council.