Catch Cognitive Changes Early.
Stay Independent Longer.

Proactive brain health for seniors aging in place.

Smiling older woman with short gray hair sitting comfortably on a couch, wearing a light cardigan and a necklace.

We unite neuroscience and advanced AI to detect cognitive change early,
so seniors can stay independent longer.

How Jojo Works

Jojo is a voice AI device that weaves cognitive testing and vocal biomarker analysis into casual conversation.

Cognitive Tracking: Builds a longitudinal baseline of cognitive function and surfaces early signs of drift between annual checkups.

Health Monitoring: Detects stroke-like signs in near-real time and alerts your trusted contacts.

Privacy Comes First: We protect your information with strong security and HIPAA-aligned practices (the U.S. health-privacy rules).

Smiling elderly man sitting on a couch, looking directly at the camera in a well-lit living room.

Privacy First

End-to-end encrypted conversations

No recordings stored in the cloud

Local-first intelligence with full control

Emergency alert system built-in

Get Early Access

Be among the first to experience Jojo!
Apply to our Early Access Program to try Jojo for free

Team

David Eagleman, PhD: Stanford neuroscientist and founder of BrainCheck, a cognitive health company. David is an internationally recognized authority on the brain, he’s a New York Times–bestselling author, creator of PBS’s The Brain with David Eagleman, and host of Inner Cosmos, a top-ranked science podcast on Apple.

Harris Romanoff: Product-driven founder and CEO across hardware, AI & user experience. A founding member of Neat, he led the design and development of multiple award-winning products and co-founded an AI insights platform trusted by Fortune 200 companies. He is co-inventor on 28 patents.

Dean Ornish, MD (Advisor): Founder & President of the Preventive Medicine Research Institute and Clinical Professor of Medicine at UCSF. For over 44 years, Dr. Ornish has directed randomized trials demonstrating that comprehensive lifestyle changes can begin to reverse coronary heart disease, cancer, and Alzheimer’s disease. He is a #1 New York Times bestselling author of seven books, and was recognized by LIFE magazine as “one of the fifty most influential members of his generation”.

Tom Gruber, PhD (Advisor): Co-founder of Siri, later acquired by Apple. Tom is an AI product designer and entrepreneur known for championing “humanistic AI” that augments human capabilities (TED speaker), and he advises organizations on high-impact AI experiences, strategy, and collaboration.