Robert C. Low

Chindex International, Inc. provides healthcare services in China through the operations of United Family Healthcare, a network of private primary care hospitals and affiliated ambulatory clinics. It also provides medical capital equipment and products. The company operates through two segments: Healthcare Services and Medical Products. Chindex International was founded by Roberta Lipson and Elyse Beth Silverberg in 1981 and is headquartered in Beijing, China.

Part of Quest Diagnostics, Inc., Quest Diagnostics Nichols Institute, Inc. is a medical laboratory company. The company is based in Chantilly, VA. Quest Diagnostics Nichols Institute was acquired by Quest Diagnostics, Inc. from GTCR LLC on April 01, 2002 for $500 million.

MiddleBrook Pharmaceuticals, Inc. develops and commercializes anti-infective drug products. It operates mainly in prescription pharmaceuticals. MiddleBrook's main product is PULSYS. PULSYS technology offers the prolonged release and absorption of a drug. The company was incorporated in December 1999 and is headquartered in Westlake, TX.

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.