Ronald Sparks

Avista Capital Holdings LP (Avista Capital Partners) is a private equity firm founded in 2005 by Steven Webster and Thompson Dean. The firm is headquartered in New York.

Arthroscopy Association of North America operates as professional society of orthopaedic surgeons and other medical professionals. Its practices include surgical outcomes system, coding resources and electronic medical records. The company was founded in 1981 and is headquartered in Rosemont, IL.

Advanced Medical Technology Association is a trade association which provides medical technology solutions. The company was founded in 1974 and is headquartered in Washington, DC.

American Academy of Orthopaedic Surgeons provides musculoskeletal education and practice management services to orthopaedic surgeons and allied health professionals. The firm also serves as an advocate for patient care and informs the public about the science of orthopaedics. Its continuing medical education activities includes; Annual Meeting, Continuing Medical Education (CME) courses, and medical and scientific publication and electronic media materials. The company was founded in 1933 and is headquartered in Rosemont, IL.

Navilyst Medical, Inc. manufactures medical devices. It provides vascular access and fluid management technologies. The firm's products include peripherally inserted central and chronic dialysis catheters, ports, and vascular access accessories. Its products are used by interventional radiologists and cardiologists, oncologists, surgeons, IV nurses, and oncology nurses. The company was founded in February 2008 and is headqaurtered in Marlborough, MA.

The Society of Interventional Radiology is a national organization based in Fairfax, VA, consisting of physicians, scientists, and allied health professionals. The company is dedicated to improving public health through disease management and minimally invasive, image-guided therapeutic interventions.