Mark E. Kaplan

Michael Baker International Holdco Corp. provides engineering and technical services to the industrial and government sectors. The company was founded by Michael Baker, Jr. in 1940 and is headquartered in Pittsburgh, PA.

Duquesne Light Holdings, Inc. engages in the generation, transmission, distribution, and sale of electric energy through its subsidiaries. The company was founded in 1989 and is headquartered in Pittsburgh, PA.

Duquesne Light Co. produces and supplies electricity. The company is headquartered in Pittsburgh, PA.

Weirton Steel Corp. manufactures tin mill and sheet steel products. The company's tin mill products, includes tin plate, chrome coated and black plate steels and are consumed principally by the container and packaging industry for food cans, general line cans and closure applications, such as caps and lids. The company produces carbon steel slabs in its primary steel making operations from raw materials to industry and customer specifications

Cowen Group, Inc. provides investment banking for small to midsized companies in the alternative energy, consumer health care, media, technology, and telecommunications industries. It offers mergers and acquisitions advice, securities underwriting, equity offerings, private equity placements, and market-making. The company was founded in 1918 and is headquartered in New York, NY.