Patricia A. Hammick

Columbia Energy Group explores, produces, stores and distributes natural gas. The company engages in the transmission and distribution of natural gas in the United States. The company was founded in 1926 and is located in Merrillville, IN.

Dynegy, Inc., a holding company provides electricity, natural gas and natural gas liquids to markets and customers throughout the United States through its subsidiaries. The company owns and operates a diverse portfolio of assets, including power plants and gas processing plants. It provides wholesale power to utilities, cooperatives, municipalities, and commercial and industrial customers. It gathers and processes natural gas, and fractionates, stores, transports, and markets natural gas liquids. The company was incorporated in the state of Illinois in 1999 and is based in Houston, Texas.

National Association of Corporate Directors provides online and print information services to directors of public companies. It offers in-boardroom education, evaluation, governance reviews, board composition and succession planning, board recruitment, ongoing advisory, insights, and analytics services. The company was founded in 1977 and is headquartered in Arlington, VA.

Dynegy, Inc. is a holding company, engages in the production and sale of electric energy, capacity, and ancillary services. It operates through the following segments: PJM, NY/NE, ERCOT, MISO, and CAISO. The PJM segment comprises of power generation facilities located in Ohio, Pennsylvania, Illinois, Virginia, West Virginia, and New Jersey. It offers wholesale electricity and provides transmission planning. The NY/NE segment consists of power generation facilities located in Massachusetts, Connecticut, Maine, and New York. It dispatches power plants to meet system energy and reliability needs and settles physical power deliveries. The ERCOT segment serves the state of Texas over a high-voltage transmission system. The MISO segment includes three power generation facilities in Illinois. The CAISO segment contains two power generation facilities located in California. The company was founded in 1984 and is headquartered in Houston, TX.