Marlow Nickell, a self-taught software engineer, entrepreneur, and former McKinsey analyst, is the co-founder and CEO of Clerk, a retail tech startup revolutionizing the brick-and-mortar experience to power the store of the future. Adding extensive technical sales and software development expertise to the business and product previously known as Popspots, under Marlow’s leadership, Clerk’s digital advertising network, Grocery TV recently added another 2,600 point-of-sale displays to its network through a new partnership with Southeastern Grocers. With over 16,000 displays, Grocery TV is the largest digital advertising network in U.S. grocery, helping brands reach their audience with verified impressions in a brand-safe, high-traffic environment. Prior to co-founding Clerk in 2016, Marlow previously ran Cube ATX, a digital strategy firm based in Austin, Texas.