Aethlon Medical, Inc. is a medical technology company, which focuses on developing products to diagnose and treat life and organ threatening diseases. It develops Aethlon Hemopurifier, which is a clinical-stage immunotherapeutic device designed to combat cancer and life-threatening viral infections. The firm operates through the following segments: Aethlon and ESI. The Aethlon segment involves in therapeutic business activities. The ESI segment consists of diagnostic business activities. The company was founded by James A. Joyce in 1991 and is headquartered in San Diego, CA.