Conquering the seven summits of sales

Two experts who have summited the tallest mountain on each of the seven continents--and scaled the highest peaks in corporate sales and business--examine what it takes to achieve success. In making the grueling journey to the top of Mount Everest, Susan Ershler and John Waechter joined the elite group of climbers who had conquered the Seven Summits--the tallest mountains on each of the seven continents...