Okay, let’s tackle this. So Stephen has full professional proficiency in multiple marketing areas, which is impressive. Skills like marketing, advertising, sponsorship, and event management are in demand. Location is the United States, which is a large market. However, rates can vary widely depending on the industry, experience, and specific job requirements. Marketing professionals with his level of proficiency might average $50–$100 per hour. Considering his skills and location, I’ll estimate around $75–$125. But since I don’t have more specific information, I’ll round down to $100.