Any planner who has ever been asked to justify the expense of holding a meeting knows how challenging it can be to gather ROI metrics. Here are two books that offer a primer.

Proving the Value of Meetings & Events: How and Why to Measure ROI, by Jack J. Phillips, Monica Myhill, and James B. McDonough, shows planners how to set objectives, collect and analyze data, and report results. Case studies that detail the process are included.

Return on Investment in Meetings & Events, by Jack J. Phillips, M. TheresaBreining, and Patricia Pulliam Phillips, builds on the β€œROI Methodology,” to calculate ROI from all perspectives β€” participants', sponsors', exhibitors', and organizers' β€” and shows how it can be applied to all types of meetings.