From April 2016 to today, Lei Ji has served as the wireless product regionalmarketing manager in North China for Cypress Semiconductor. From April 2015 tothe present,he has been an honorary advisor of Unicorn Team of Qihoo360. FromMay 2011 to April 2015, he was MCU and wireless connective (WCS) FAE at TexasInstruments Semiconductor Technologies(Shanghai) Co.,Ltd. Beijing Branch. Hismain duties and responsibilities included: supporting wireless customers inNorthern & Western China from 2012 to 2015 and supporting MCU customers inBeijing and Northeastern China from 2011 to 2013. From June 2007 to May 2011,Lei was Chief Engineer at Beijing Shi Dai Jin Pu Technology development co.,Ltd. His main duties and responsibilities included: leading WSN andautomobile-electronic business as technical director, designing thefirefighter monitor system project which is required by the Beijing Scienceand Technology Committee, and applying one patent about wireless sensor net.