This must be a question that tugs on CEOs, CIOs, VPs, and PMO directors at every company across the nation and around the world whenever they consider PM staffing. Wouldn't it be? PMP certification -- the most well-known and widely regarded certification in the project management world -- is a great default requirement, right? Require certification of all your incoming project managers -- and require that your current ones get certified in the next year -- and you're set, right? If you've required the industry standard, how can you go wrong?