J. Philip Hardin

Change Healthcare Holdings, Inc. provides revenue and payment cycle management and clinical information exchange solutions. The firm operates through four reportable segments: Payer Services, Provider Revenue Cycle Solutions, Ambulatory Provider Services and Pharmacy Services. The company was founded in 1996 and is headquartered in Nashville, TN.

Emdeon Business Services is a leading provider of revenue and payment cycle solutions that connect payers, providers and patients to integrate and automate key business and administrative functions throughout the patient encounter. Through the use of Emdeon's comprehensive suite of products and services, its customers are able to improve efficiency, reduce costs, increase cash flow and more efficiently manage the complex revenue and payment cycle process.

WebMD, Inc. provides Internet-based services and information for physicians and health care information services for consumers

HLTH Corp. is a holding company for plastics and healthcare information businesses. The company's Porex division develops, manufactures and distributes porous plastic products and components used in healthcare, industrial and consumer applications. It has manufacturing operations in North America, Asia and Europe and customers in more than 75 countries. HLTH Corp., as the majority owner of WebMD, is a provider of health information and resources through public and private online portals. HLTH Corp. was established in 1995 and is located in Elmwood Park, NJ.