Marshall Sponder Social Media & Web Analyst Marshall Sponder is the author of Social Media Analytics, a book published by McGraw-Hill in 2011. Hi is a specialist in web analytics, SEO/SEM, market research, and social media. Marshall develops data metrics, KPI's and dashboards for clients such as Gillette, Laughing Cow and others and teaches at Rutgers University and the University of California, Irvine.