Richard A. Stark

RITA Medical Systems, Inc. develops, manufactures and markets ablation technology products used by physicians to treat patients with solid cancerous or benign tumors. The system consists of a radiofrequency energy generator and disposable accessories. The RITA systems have been approved to treat liver cancer and are sold in Asia, Europe and the US. The company develops the use of the system for the treatment of various other cancers. Investors in RITA Medical include Apax Partners and Morgan Stanley. RITA Medical is in the process of merging with Horizon Medical. RITA Medical Systems has been acquired by Angio Dynamics, inc. The company was founded in 1994 and is headquartered in Fremont, CA.