How to Calculate the ROI of Your Sales Tools

Mario is the CEO and Founder of Vengreso. He spent 87 consecutive quarters in B2B Sales and Leadership. He is one of 20 sales influencers invited to appear in the Salesforce.com documentary film “The Story of Sales” and was named one of the Top 10 Sales Influencers by The Modern Sales Magazine. Mario is the host of the popular The Modern Selling Podcast.