Aethlon Medical, Inc. is a therapeutic technology company, which focuses on addressing global health and biodefense needs. It develops Aethlon Hemopurifier, a medical device that targets the elimination of circulating viruses and tumor-secreted exosomes that promote cancer progression. The firm operates through two 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.