Walter Detlefsen brings extensive experience in sales management within the automotive and display industries, having held the position of National Sales Manager at LinksWell Automotive Inc., Vizualogic, and Valor Multimedia. Additionally, Walter served as National Account Manager at Optec Displays and worked as a consultant at P&P ARTECH. To complement this professional background, Walter pursued education in sales techniques, completing courses in the One Minute Manager and the "Art of Selling" by Tom Hopkins between 1986 and 1987.