What We Do

Economic consulting services to regulated industries including telecom, gas, electric, water and wastewater utilities.

Donald E. Parrish, Principal

E-mail: DParrish@PBandA.com
Office Telephone: 703-352-4830
Mobile Telephone: 703-625-6550

Don Parrish is a founding Principal of Parrish, Blessing & Associates, Inc., working mainly in the firm’s Telecommunications Economic Consulting practice. Mr. Parrish specializes in financial analysis, cost development, service pricing and regulatory compliance.


Donald E. Parrish is an economist with over thirty-five years of experience in economic consulting in the telecommunications industry. His efforts on behalf of clients include regulatory policy analysis, cost of service analysis, rate design and rate development, evaluation and development of pricing policies in competitive environments, and the preparation of technical studies and financial analyses to support evaluation of service prices, pricing policies and competitive market issues.

Mr. Parrish performs studies of financial data, telecommunications traffic and demand, and operations activities for service cost development, demand analysis and pricing requirements. He assists clients in contract negotiations and prepares technical analyses in support of negotiations and lobbying efforts. He prepares policy documents regarding various issues affecting regulated services in competitive environments and he assists clients in formulating and promoting policies to and on behalf of government bodies and regulators.

He has participated in regulatory and legal proceedings on behalf of clients and has appeared as an expert witness before judicial, regulatory and legislative bodies.  A complete list of Mr. Parrish’s testimonies and appearances is available upon request.

He began his career as an economic analyst with the Southern Railway Company, now part of the Norfolk Southern Corporation. Mr. Parrish subsequently joined the economic consulting firm Snavely, King & Associates, Inc. where, as partner, he prepared cost of service analyses for numerous telecommunications regulatory proceedings. He is a magna cum laude graduate of Duke University with B.A. degrees in economics and management science, he has participated in post-graduate courses in regulatory economics at the Massachusetts Institute of Technology and he is fluent in Spanish.