Top 9 Most Influential Salespeople of All Time #1 Sam Taggart. A common name in the door to door world, Sam Taggart is an inspiration and teacher to every rep and company in sales. ... #2 Napoleon Barragan. ... #3 Joe Girard. ... #4 Zig Ziglar. ... #5 Erica Feidner. ... #6 Jordan Belfort aka “The Wolf of Wall Street” ... #7 Mary Kay Ash. ... #8 John H. More items...