Mark Radzik

GP Strategies Corp. engages in the provision of training, e-Learning solutions, management consulting, and engineering services. The company was founded in 1959 and is headquartered in Columbia, MD.

Security Associates International, Inc. provides intrusion, fire and critical condition alarm monitoring services for both residences and businesses. It also provides various other support services, including but not limited to educational programs, financing referral services & discounts on equipment and related services. The company was founded in 1990 and is headquartered in Chicago, IL.

Iron Age Corp. distributes work and safety footwear under the Iron Age, Knapp and Grabber brand names. The company also offers uniform shoes under consumer such as brands, primarily timberland and Dr. Martens. It distributes footwear directly to retail and wholesale customers through its wholesale division and manufacturing subsidiary Falcon Shoe Manufacturing. Iron Age was founded in 1817 and is headquartered in Pittsburgh, PA

Part of Morgan Stanley, EGI Canada Corp. is a Canadian company that provides electronic securities trading services. The company is based in Toronto, Canada.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Granite Creek Partners LLC (Granite Creek Partners) is a private equity firm founded in 2005 by Mark A. Radzik, Brian B. Boorstein and Peter G. Lehman. The firm is headquartered in Chicago, Illinois.

Groupo Azucarero Mexico SA de CV is engaged in the production, distribution and processing of sugar cane, as well as in the elaboration and sale of sugar-based derivates and products. The company was founded in 1989 and is headquartered in Mexico City, Mexico.