Justin Gray is a serial entrepreneur and the CEO and founder of LeadMD, the world’s largest revenue operations agency, having implemented over half of the Marketo user base. Gray has made a career of launching successful companies and scaling them; in 2016, he cofounded his latest endeavor, Six Bricks, an online learning start-up designed to combat employee and customer churn through experience-based education. Over the past 10 years, Gray has emerged as a strong voice for entrepreneurship, marketing, and culture. A recognized speaker, Gray has been published over 350 times in industry publications and holds his own column, Tribal Knowledge, in Inc., while writing for Entrepreneur, Tech Crunch, and others.