Most companies have several people who can do a decent, or even excellent job of delivering your overview presentation. You might have a charismatic CEO that loves to talk, or an all star CTO that grew up speaking FORTRAN as a first language. Your head of sales might practice her pitch in front of a mirror twenty times a day, and your head of marketing might have agonized over every single word of the company’s positioning. You have a briefing next week and they’re all free. Who do you tap to lead the charge?