Evil Geniuses is a company that has already executed very large contracts with big-name brands, and I think that for people who are fans of the, team the analogy that might draw in their minds in terms of a business model is closer to a pro sports team than it is a marketing agency.
Beyond that, when the time comes, he or she can counsel you on ways to draw down funds from your accounts when needed and help with estate-planning and tax issues or recommend a pro to handle that for you.