Jon Loomer is a self-proclaimed "accidental 🏷️#marketer" and founder of 📝Jon Loomer Digital, an advertising 📝Compendium for advanced Facebook marketers. He is regarded as one of the longest-tenured practitioner-educators in Facebook — now Meta — advertising, having used the platform for business since 2007.

Loomer formerly served as Senior Manager of Fantasy Games for the NBA (2005–2008) and VP of Strategic Marketing for the American Cancer Society (2009–2011). Beginning eleven days after his layoff, he started Jon Loomer Digital in the fall of 2011 with the goal of helping businesses maximize "social media that makes a difference"; his marketing trainings generated over 4 million page views in their first 18 months. He continues to publish continuously updated reference material on Meta ads strategy, targeting, attribution, and creative.