Why Work With a Leadership Advisory Presentation Design Agency?

Organizations often partner with a Leadership Advisory Presentation Design Agency when preparing executive briefings, board presentations, and strategic leadership communications. Some believe an external design partner brings fresh ideas, stronger storytelling, and a more polished presentation, while others prefer to keep the work in-house. The right approach often depends on the organization's goals and resources. I'm interested in hearing different perspectives on this topic. What factors would influence your decision to work with a Leadership Advisory Presentation Design Agency, and what outcomes would you expect?