Agencies typically run scores of projects concurrently, raising questions about priorities, resource allocation and sequencing: thus, the need for project portfolio management (PPM). Digital project manager Ben Aston, writing for The Digital Project Manager platform, provides a thorough introduction to the rationales, benefits and processes of PPM. Agency owners, program managers and project directors, as well as prospective portfolio project managers, will appreciate Aston’s clear, authoritative overview and useful tips.