Thinkie Inc is a Seattle-based neurotechnology company that combines a wearable fNIRS brain sensor with a game-based training app to turn real-time brain activity into visual feedback users can see, understand, and act on. Its science-based system focuses on the prefrontal cortex to support memory, attention, and thinking speed, and is used both by individuals and senior living communities to maintain cognitive independence and make brain training more measurable, engaging, and effective.