The pressure has been growing for corporate marketers, including channel managers, to demonstrate a return on marketing investment (ROMI) and a contribution to the company's bottom line. In fact, there's mounting evidence of a direct relationship between ROMI and a marketer's take-home pay. In these articles and templates, Guy R. Powell, a principal at marketing consultant company DemandROMI, introduces his approach to measuring ROMI and provides useful Microsoft Office Excel 2003 templates for marketing channel managers to calculate their own departments' ROMI.