Escalate late approvals, open follow-ups, remind reviewers. Every one is ready to run, and you can adjust it in plain language.
Ask card owners to set deadlines before creative review begins.
Your card owner sees a missing review deadline on the campaign card before anyone asks the reviewer to weigh in.
Put each submitted design proof on the reviewer's approval list.
Your reviewers get a clear approval task on the submitted proof, with the decision to make and the date you requested.