Philip K. Verleger Jr., visiting fellow, has been associated with the Institute since 1986. As president of PKVerleger LLC and a senior adviser to The Brattle Group, a Cambridge economics consulting firm, Dr. Verleger specializes in the study of energy markets. He was a staff economist at the Council of Economic Advisers (1976–77); director, Office of Domestic Energy Policy at the US Treasury (1977–79); and senior research scholar and lecturer at the School of Organization and Management at Yale (1979–82). The author of numerous studies on international energy and petroleum issues, including Adjusting to Volatile Energy Prices (1993) and Oil Markets in Turmoil (Ballinger Publishing, 1982), he has served frequently as an expert witness for parties in private disputes.