As you shout, “Alexa! Turn on the lights!” so you can better see the book you are reading in your Kindle, think of David Limp. Because, as SVP of devices and services, David Limp governs the development of all of Amazon’s hardware, including all the Amazon Alexa devices such as the Echo and Echo Show as well as media viewing tables like the Kindle and Fire. Limp has a degree in computer science and mathematics from Vanderbilt University as well as a management degree from Stanford.