Mark A. Whitney

Aerojet Rocketdyne Holdings, Inc. engages in provision of solutions in the field of aerospace and defense, as well as in the field of real estate. It operates through the following business segments: Aerospace and Defense, and Real Estate. The Aerospace and Defense segment operates through Aerojet Rocketdyne, Inc. in developing and manufacturing aerospace and defense products and systems for the United States government, the National Aeronautics and Space Administration, major aerospace and defense prime contractors as well as portions of the commercial sector. The Real Estate segment includes Easton Development Company, LLC in re-zoning, entitlement, sale, and leasing of excess real estate assets. The company was founded on September 29, 1915 and is headquartered in El Segundo, CA.

Tyco International (US), Inc. engages in the provision of security, fire protection, and detection products and services. The company is headquartered in Exeter, NH.

GSE Holding, Inc. engages in the manufacture and marketing of geosynthetic lining products and services. The firm's product portfolio includes geomembranes, geosynthetic clay liners, geonets and geocomposites, geogrids, geotextiles, liner integrity monitoring system, and specialty. It operates through the following geographic segments: North America, Europe Africa, Asia Pacific, Latin America, and Middle East. The company was founded in 2004 and is headquartered in Houston, TX.

Vibrantz Corp. engages in the business of manufacturing specialty materials. Its products include frits, porcelain and other glass enamels, glazes, stains, decorating colors, pigments, inks, polishing materials, dielectrics, electronic glasses and other specialty coatings. The company was founded by Harry D. Cushman, Raymond Williams, and Henry Luebbert in 1919 and is headquartered in Mayfield Heights, OH.