This document summarizes a webinar presented by The Open Group on developing and exercising effective enterprise architecture (EA) governance. It discusses the four key expressions of EA governance: 1) governing the creation of EA, 2) governing change through EA, 3) governing value realization after change, and 4) governing the EA team. The webinar advocates using TOGAF as a framework and provides checklists for each governance expression to build confidence in decision making and ensure EA delivers expected value.