Lance Balk

Dade Behring Holdings, Inc. manufactures medical diagnostic equipment. It develops and markets equipment and consumable supplies and provides maintenance services to clinical laboratories to perform diagnostic tests. The company's customers include hospitals and reference laboratories. The company was founded in 1994 and is headquartered in Deerfield, IL.

Kirkland & Ellis LLP provides legal services. It counsels clients in litigation, corporate and tax, intellectual property and restructuring matters. The firm offers intellectual property, antitrust and competition, international trade and national security, real estate and tax, benefits and estate planning services. The company was founded in 1909 and is headquartered in Chicago, IL.

TomoTherapy, Inc. manufactures and provides radiation treatment systems for advanced radiation therapy. It provides radiation treatment services for cancer patients with its TomoTherapy Hi·Art System, which changes the intensity of the radiation beam so that it adapts to the shape of the tumor. The firm's system focuses on killing cancer cells while sparing healthy tissue. The company was founded by Thomas Rockwell Mackie and Paul J. Reckwerdt in 1997 and is headquartered in Madison, WI.

Dade Behring, Inc. provides clinical diagnostic services. The firm's solutions include consulting & real time solutions, customer service support and streamCARE. The company is located in Deerfield, IL.

Siemens Healthcare Diagnostics, Inc. engages in the vitro diagnostics. It provides healthcare professionals in hospital, reference, and physician office laboratories and point-of-care settings with the vital information required to accurately diagnose, treat, and monitor patients. The company is headquartered in Tarrytown, NY.