Peter F. Korpacz, MAI, Bethesda, Maryland, is currently the director and global head of the strategic real estate research group of PricewaterhouseCoopers, LLP. With over 35 years of experience in real estate appraisal, counseling, and research fields, he is sought after as a qualified expert witness in various state and federal courts involving real estate disputes, and is nationally recognized as an appraiser and arbitrator in real estate tax assessment disputes. He was formerly the president of Peter F. Korpacz & Associates, Inc., wherein the Korpacz Real Estate Investor Survey was first published in 1988 and now marks its 12th year in publication under the PricewaterhouseCoopers' banner. Beginning in 2000, PricewaterhouseCoopers launched Real Estate Value Cycles, a semi-annual publication of real estate cycle information on the position of office, warehouse, retail, apartment, and hotel sectors in 58 major U.S. markets.