Press Room

Dr. Roger Pfaffenberger Joins Ryan & Company as the Practice Leader of the Firm's Audit Sampling Practice

Press Release Jul 06, 2001

Dallas, Texas -- Ryan & Company today announced that Dr. Roger Pfaffenberger has joined Ryan & Company as a Senior Manager and Practice Leader of the Firm's Audit Sampling Practice. The Sampling Practice will complement the efforts of the Firm's tax professionals in statistical and non-statistical sampling in the transaction tax area. Dr. Pfaffenberger will be responsible for the design and evaluation of audit sampling methodologies, and will operate out of Ryan & Company's Dallas office.

Dr. Pfaffenberger holds a Ph.D. in Statistics from Texas A & M University and has been a faculty member at Texas Christian University for the past 24 years. He recently served as Director of the TCU Center for Teaching Excellence, a professor in Decision Sciences, and Chair of the TCU Faculty Senate. "We are extremely fortunate to have one of the nation's foremost statisticians at Ryan & Company." said G. Brint Ryan, Managing Principal of Ryan & Company. "Dr. Pfaffenberger's experience and training in statistics further strengthens our expertise in this important and complex area."

About Ryan

Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes. With global headquarters in Dallas, Texas, the Firm provides an integrated suite of federal, state, local, and international tax services on a multijurisdictional basis, including tax recovery, consulting, advocacy, compliance, and technology services. Ryan is an 11-time recipient of the International Service Excellence Award from the Customer Service Institute of America (CSIA) for its commitment to world-class client service. Empowered by the dynamic myRyan work environment, which is widely recognized as the most innovative in the tax services industry, Ryan’s multidisciplinary team of more than 4,800 professionals and associates serves over 30,000 clients in more than 80 countries, including many of the world’s most prominent Global 5000 companies. More information about Ryan can be found at


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