John Demayo is currently the VP of Marketing and Operations at ZOZI, a provider of local activities, vacation getaways, celebrity experiences, and outdoor gear. Previously, he spent 15 years in internet direct response, including roles at Advertising.com and Adchemy. The document discusses the trade-off between quality and volume for display and search advertising, noting that higher quality targeting options tend to have lower volume potential while broader targeting has higher volume but lower quality. It also outlines different targeting options for display advertising based on the level of user intent and engagement.