# 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.

- **Founded:** 2011
- **Headquarters:** San Francisco, California, United States
- **Founders:** Uday N. Kumar, MD (Founder, President & CEO)
- **Team size:** ~83 employees
- **Products:** Jewel Patch Wearable Cardioverter Defibrillator (P-WCD), Connected Care Platform
- **Notable:** FDA Premarket Approval (PMA) for the Jewel P-WCD - May 2025, CE mark and UKCA marking - January 2024, Completed enrollment in Jewel IDE Study - May 2023

## Products & services

- **Jewel Patch Wearable Cardioverter Defibrillator (P-WCD)** — A discreet, water-resistant adhesive patch that continuously monitors ECG, detects lethal arrhythmias with machine-learning algorithms, and delivers defibrillation therapy when needed. Designed to be worn day and night, including in the shower.
- **Connected Care Platform** — A cloud-based system that streams patient data to clinicians and supports remote monitoring, compliance tracking, and predictive analytics.

## Achievements

- FDA Premarket Approval (PMA) for the Jewel P-WCD - May 2025
- CE mark and UKCA marking - January 2024
- Completed enrollment in Jewel IDE Study - May 2023
- Published clinical data showing high patient compliance with the patch form factor
- $145.6M Series C - one of the largest US wearable-medtech rounds of 2020

## Latest updates

- **2025-05** — FDA approves the Jewel Patch Wearable Cardioverter Defibrillator for US commercialization.
- **2024-01** — Receives CE mark and UKCA marking, clearing the way for EU and UK sales.
- **2023-05** — Completes enrollment in the pivotal Jewel IDE Study.
- **2020-03** — Closes $145.6M Series C led by Deerfield and Qiming.

## Links

- Website: https://elementscience.com
- LinkedIn: https://www.linkedin.com/company/element-science-inc-

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Profile page: https://yespress.io/element-science-inc
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Last updated: 2026-05-19