Lightstone Ventures

Lightstone Ventures is a global venture capital firm based in California that invests in life sciences and healthcare companies, with a focus on personalized medicines, targeted therapeutics, pharmaceuticals, biotechnology, and medical devices. Founded in 2012 by General Partners from Advanced Technology Ventures and Morgenthaler, the firm seeks to back breakthrough startups at both early and later stages. It operates with a global footprint, including offices in Menlo Park and Boston, with additional presence in Dublin and Singapore, supporting portfolio companies across the United States and international markets.

Mike Carusi

General Partner

Caroline Gaynor

Principal

Christina Isacson

Partner

Brendan Kelly

Vice President

Past deals in Wearables

FIRE1

Venture Round in 2025
FIRE1 is an Irish-based company specializing in the development of innovative therapeutic devices. Its flagship product is a remote monitoring system designed to enhance heart failure patients' lives by providing real-time data to healthcare providers, facilitating early detection and proactive interventions.

Cala Health

Series C in 2024
Cala Health is a bioelectronic medicine company that develops wearable neuromodulation therapies for chronic diseases. Its primary product, Cala Trio therapy, is a non-invasive prescription treatment for essential tremor.

FIRE1

Venture Round in 2023
FIRE1 is an Irish-based company specializing in the development of innovative therapeutic devices. Its flagship product is a remote monitoring system designed to enhance heart failure patients' lives by providing real-time data to healthcare providers, facilitating early detection and proactive interventions.

Willow

Series C in 2020
Willow Inc., established in 2014 and headquartered in Mountain View, California, specializes in the manufacture of wearable breast pumps for women. The company offers a range of products including milk bags, accessories such as flanges and tubes, and replacement parts. Willow's flagship product is an in-bra wearable breast pump designed to provide mothers with mobility and hands-free convenience during breastfeeding. The company also provides pumping bras, cases, and other breastfeeding essentials.

Willow

Series C in 2019
Willow Inc., established in 2014 and headquartered in Mountain View, California, specializes in the manufacture of wearable breast pumps for women. The company offers a range of products including milk bags, accessories such as flanges and tubes, and replacement parts. Willow's flagship product is an in-bra wearable breast pump designed to provide mothers with mobility and hands-free convenience during breastfeeding. The company also provides pumping bras, cases, and other breastfeeding essentials.

Cala Health

Series C in 2019
Cala Health is a bioelectronic medicine company that develops wearable neuromodulation therapies for chronic diseases. Its primary product, Cala Trio therapy, is a non-invasive prescription treatment for essential tremor.

FIRE1

Series C in 2018
FIRE1 is an Irish-based company specializing in the development of innovative therapeutic devices. Its flagship product is a remote monitoring system designed to enhance heart failure patients' lives by providing real-time data to healthcare providers, facilitating early detection and proactive interventions.

FIRE1

Series B in 2016
FIRE1 is an Irish-based company specializing in the development of innovative therapeutic devices. Its flagship product is a remote monitoring system designed to enhance heart failure patients' lives by providing real-time data to healthcare providers, facilitating early detection and proactive interventions.

Cala Health

Series B in 2016
Cala Health is a bioelectronic medicine company that develops wearable neuromodulation therapies for chronic diseases. Its primary product, Cala Trio therapy, is a non-invasive prescription treatment for essential tremor.

FIRE1

Series A in 2014
FIRE1 is an Irish-based company specializing in the development of innovative therapeutic devices. Its flagship product is a remote monitoring system designed to enhance heart failure patients' lives by providing real-time data to healthcare providers, facilitating early detection and proactive interventions.
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