continuous-glucose-monitor
(3)
The company that turned a $6,000 diabetes gadget into a $249 ring
Piyush Gupta left Abbott, watched his wife struggle with gestational diabetes, and decided the fix wasn't a better sensor - it was a cheaper one. A decade later, Ambrosia Systems sells glucose tech in 100-plus countries and just put the whole thing on your finger.
Apollon
Apollon is a Korean-American medtech company building MOGLU, a needle-free continuous glucose monitor that reads blood sugar through the skin using Raman spectroscopy instead of a subcutaneous filament. Founded in Seoul in 2021 by Aram Hong and researchers tied to MIT and Asan Medical Center, the company is developing a compact wearable that reported accuracy comparable to leading CGMs in early MIT clinical testing, has been granted FDA Breakthrough Device designation, and won a 2025 CES Innovation Award.
Signos
Signos is a San Francisco Bay Area digital health company pairing a continuous glucose monitor with an AI-driven app to help non-diabetic adults lose weight and improve metabolic health through real-time, personalized feedback on food, sleep, stress and exercise.