Mr. Mierzwa is a Principal of Exeter Associates, Inc., with 17 years of public utility regulatory experience.  At Exeter, Mr. Mierzwa has been involved in purchased gas cost allocation analysis and rate design analysis, conducting management audits and similar investigations of the natural gas supply and procurement policies and practices of interstate gas pipelines and local distribution companies (LDCs), and has been extensively involved in proceedings before the Federal Energy Regulatory Commission (FERC).  Mr. Mierzwa has participated in the planning of natural gas procurements for major federal installations located in various regions of the country.  Most recently, Mr. Mierzwa has been involved in evaluating performance-based incentive regulation for LDC purchased gas costs and the unbundling of LDC services.  Mr. Mierzwa has participated in developing utility class cost-of-service studies, has presented testimony sponsoring gas, water and wastewater utility cost-of-service studies, least cost gas procurement and incentive regulation, in addition to presenting testimony addressing utility rate base and revenues.