Roger J. Grabowski, FASA, is a Managing Director at Duff & Phelps LLC. He was formerly Managing Director of the Standard & Poor's Corporate Value Consulting practice, a partner of PricewaterhouseCoopers LLP and one of its predecessor firms, Price Waterhouse (where he founded its U.S. Valuation Services practice and managed the real estate appraisal practice).

He has directed valuations of businesses, interests in businesses, intellectual property, intangible assets, real property and machinery and equipment. Roger has testified in court as an expert witness on matters of solvency, the value of closely held businesses and business interests, valuation and amortization of intangible assets and other valuation issues. His testimony in U.S. District Court was referenced in the U.S. Supreme Court opinion decided in his client's favor in the landmark Newark Morning Ledger case.

Roger is co-author with Shannon Pratt of Cost of Capital: Applications and Examples, 5th ed. forthcoming (John Wiley & Sons, 2014); co-author with Shannon Pratt of The Lawyer's Guide to Cost of Capital forthcoming (ABA, 2014); co-author with Shannon Pratt of Cost of Capital: Applications and Examples, 4th ed. and Cost of Capital in Litigation: Applications and Examples. He has been the author of the annual Duff & Phelps Risk Premium Report and is co-author of the upcoming 2014 Valuation Handbook - Guide to Cost of Capital.

Roger teaches courses for the American Society of Appraisers including Cost of Capital, a course he developed.