For twenty-five years, until his retirement as Vice President of Technology for the Wi-Fi Alliance, Greg Ennis was at the very center of the Wi-Fi industry. In 1993, Ennis and two co-authors developed the technical proposal that was voted in by the IEEE 802.11 committee as the foundation for the Wi-Fi standard, beating out nine competing proposals from IBM and others. He then served as Chief Technical Editor for that Wi-Fi standard and was awarded by IEEE a “Certificate of Appreciation—in grateful acknowledgment of his outstanding contributions.” In 1999, Ennis and a handful of colleagues founded the Wi-Fi Alliance (“the international network of companies that bring you Wi-Fi”) and from the very beginning, he held that organization’s lead technical position until retiring in 2016. Ennis has been inducted into the Wi-Fi Alliance Hall of Fame. He currently lives with his wife in the beautiful Sierra foothills, just below Yosemite.