Tony Fadell’s name may not ring as much of a bell as Larry Page or Steve Jobs, but the Silicon Valley insider has been making waves in the tech industry for years. An Apple vet, you can thank Fadell for the historic iPod, and after leaving Apple in 2008, he founded Nest Labs. Nest Labs is responsible for the very first learning thermostat, and the company was sold to Google last year for $3.2 billion USD. Fadell’s eye for product design and interface is unparalleled, and HODINKEE takes a look at what watches makes Fadell tick. Check out the full list over at HODINKEE.