Element Science, Inc.

Element Science is a San Francisco medical device and digital health company building the Jewel - a patch-based wearable cardioverter defibrillator that continuously monitors high-risk cardiac patients and delivers a life-saving shock when a lethal rhythm is detected. Founded in 2011 by Dr. Uday Kumar, the company combines clinical-grade wearables, machine learning, and human-centered design to protect patients with elevated, temporary risk of sudden cardiac arrest.