Charles B. Patton

Oak Hill Capital Management LLC (Oak Hill Capital) is a private equity subsidiary of OHCM Management LLC founded in 1986 by Robert M. Bass. The firm is headquartered in New York.

Metalmark Capital LLC (Metalmark Capital) is a private equity firm founded by John J. Moon in 1986. The firm is headquartered in New York.

Morgan Stanley Investment Management, Inc. (MSIM) is an investment management firm headquartered in New York City. The firm was founded in 1975 and is a subsidiary of Morgan Stanley Domestic Holdings, Inc., ultimately held by Morgan Stanley (NYSE: MS). MSIM provides discretionary and non-discretionary investment management services and products to institutional clients and individual investors. The firm also advises clients as to the appropriate allocation of assets among multiple separate accounts and/or investment companies or other pooled vehicles that the firm advises.

Metrika Inc. manufactures and markets disease-monitoring products. It also manufactures other chronic condition products. The company was founded in 1994 by Michael P. Allen and is headquartered in Sunnyvale, CA.

Physician Oncology Services LP provides healthcare services. The company offers radiation oncology services in the United States. It was founded in 2006 and is headquartered in Atlanta, GA.

Vantage owns and operates oncology centers. Its network of affiliated and partnered medical groups provide critical oncology services. It treats cancer by creating an environment of wellness surrounding the patient with exceptional medical professionals, vast clinical expertise and technical resources. It becomes part of every community it serves and work with other organizations to bring awareness and education to those affected by cancer. It is making a difference and proving it every day. Its partnership model and its focus on the patient experience, outcomes, quality of care and advanced technologies, have been the critical elements of its success and growth. Treatment centers that are part of the Vantage network receive extensive management services, including administrative support, capital improvements and technology acquisition. It also provides strategic planning, information systems consulting, accounting resources, managed care contracting, human resources and marketing services. By allowing them to manage the day-to-day operations and other aspects of equipping and staffing a treatment center, it enables physicians to focus on patient care. It is proud to merge with the physicians and staff of RC Cancer Centers. With years of experience, RC Cancer Centers, a leading radiation therapy organization, is committed to providing personalized patient care using the latest technology in warm and inviting centers of excellence. It is expanding into additional markets. Whether an acquisition, joint venture or new center development, its experienced management team is ready to help customers move forward. Contact Vantage today and leverage the strength of its clinical, financial and managerial resources.

Vantage Oncology LLC owns and operates radiation oncology centers. It also provides strategic planning, information systems consulting, accounting resources, managed care contracting, human resources and marketing services. The company was founded by Michael T. Fiore and Leslie E. Botnickin in October 2002 and is headquartered in Manhattan Beach, CA.

RT Oncology Services Corp. is a holding company, which engages in the provision of oncology related assistance services. It assists its member practices in achieving better and more cost effective treatment of oncology patients while creating new streams of revenue for community oncology practices. The company was founded by Michael J. Martin, John Creelman, and Jeffrey Patton in 2011 and is headquartered in San Diego, CA.