This document was written as preparatory material for all Building Energy Modeling (BEM) Innovation Summit attendees prior to the actual event. The purpose of this document was to provide all attendees with an understanding of the history and current state of the energy modeling industry within the United States. Specifically, this Pre-Read document: Begins to identify a vision for the future of energy modeling and identify gaps between that vision and the current state; identifies gaps and barriers within the energy modeling sector to support the development of the agenda for the summit; and saved time at the summit by getting everyone on the same page in terms of background knowledge and serving as an information source during the breakout groups.