Sam Fellows is Global New Growth Officer  at Gain Theory. Find Sam Fellows on Linkedin Sam is an experienced data, analytics, and marketing effectiveness leader with nearly 20 years’ experience across a wide range of industry verticals, notably retail, CPG, and financial services. One of Sam’s primary roles is to work closely with new clients to ensure that the analytical frameworks and working practices that we set up deliver against key objectives and generate growth over the short and long term. Driven by quality analysis, he takes pride in seeing how the brands we work with benefit financially from the recommendations we provide. Sam is a published author in industry journals, has contributed to award-winning marketing effectiveness papers, and regularly sits on marketing effectiveness judging panels, such as the Effies.