Cairns Health
Category: AI in Healthcare
Luna is an AI-powered digital care companion that uses patented radar-based ambient sensing and voice technology to monitor seniors and chronic care patients without cameras, providing medication reminders, health monitoring, and care coordination. Cairns Health was founded in 2016. The company is led by Andrew Ritter. Based in Los Angeles, USA. Team size: 11-50. Total funding raised: $35.1M. Latest round: Seed. Key investors include Khosla Ventures, DCVC, Lightspeed Venture Partners, Soma Capital, 11.2 Capital, True Equity, Quantum Leap Ventures (Japan).
- Founded
- 2016
- Headquarters
- Los Angeles, USA
- Team size
- 11-50
- Total funding
- $35.1M
Value proposition
Simplifies healthcare for seniors and chronic care patients through non-intrusive, privacy-focused monitoring using radar technology instead of cameras, combined with AI-powered voice assistance and care coordination
Products and solutions
Luna: AI-powered digital care companion with radar sensing, Together by Renee integration: AI vision for medication management via pill bottle scanning
Unique value
Patented radar-based ambient sensing technology that monitors health without cameras, preserving patient privacy while providing comprehensive health insights and AI-powered voice interaction
Target customer
Seniors, patients with chronic conditions, their caregivers, and healthcare providers
Industries served
Healthcare, Senior Care, Home Care, Chronic Disease Management
Technology advantage
Radar-driven sensing technology provides non-intrusive monitoring without privacy concerns of cameras, combined with AI and large language models for personalized care assistance and medication management
How they differentiate
Unique radar-based sensing technology (no cameras) for privacy-focused monitoring, combined with AI voice interaction and recent acquisition of Together by Renee for medication management capabilities
Main competitors
SafelyYou, CarePredict, Cherry Home
Key partnerships
Indiana University Health, Mayo Clinic, American Heart Association Innovators' Network, Together by Renee (acquired October 2025)
Notable customers
Indiana University Health, Mayo Clinic
Major milestones
Acquisition of Together by Renee in October 2025, Commercial release of Luna AI platform, Won Rising Star Award at 7th Annual Digital Health Hub Foundation Awards, Partnerships with major health systems, Nationwide deployment of Luna platform
Growth metrics
Remote care adoption increased 300%, 5-year CAGR ~28%
Market positioning
Trailblazing healthcare technology company focused on radar-driven, AI-enabled monitoring and engagement solutions for the senior and home care markets
Geographic focus
USA with nationwide deployment
Patents and IP
Patented intelligent ambient sensing and voice-based digital assistant technology for patient monitoring
About Andrew Ritter
Andrew Ritter has nearly 20 years of experience building and leading private and public healthcare companies. He previously served as CEO of Docbot and Ritter Pharmaceuticals (which he founded and led for almost 17 years). He has an MBA from The Wharton School and a BA from University of Southern California.
Official website: https://www.cairns.ai