John J. Wall speaks, writes, and practices at the intersection of marketing, sales, and technology. He's a partner and head of business development at analytics firm Trust Insights. He is the producer of Marketing Over Coffee, a weekly audio program that discusses marketing and technology with his co-host, Christopher S. Penn. He has held positions specializing in customer relationship management, marketing automation, and sales support systems both at venture-funded and privately held businesses, working with Microsoft, Oracle, Salesforce.com, and other clients.

Twitter: @johnjwall

Christopher S. Penn is an authority on digital marketing and technology. A speaker and thought leader, he is co-founder of Trust Insights and the best-selling author of several books, including Leading Innovation and Marketing Blue Belt.