Zig Ziglar (1926-2012) was the bestselling author of many books on personal growth, leadership, sales, faith, and success, and a speaker who worked with clients and corporations of all sizes, from Fortune 500 companies to churches, schools, and nonprofit associations.
Kevin Harrington is the founder of the Secrets of Closing the Sale Master Class. A successful entrepreneur for more than 40 years, Harrington was also an original shark from the hit TV show Shark Tank and is the author of several bestselling books.
