Rob Petersen is President of BarnRaisers, a full service digital marketing company that builds brands using proven relationship principles and ROI. Rob is on the MBA faculty of Rutgers Business School, where he teaches courses in Web Analytics, SEO, and Social Media Measurement and ROI. Rob’s eBook, “166 Case Studies Prove Social Media ROI,” available for free on the BarnRaisers website, has been downloaded over 115,000 times.