This document summarizes an Agile Model Development presentation by Daniel Leroux and Maneesh Goyal. The presentation introduced Agile modeling principles and how Maneesh's team applies them. Key points include: 1) The team prioritizes requirements and creates architecture models with active stakeholder participation to manage complexity and communicate effectively on a globally distributed project. 2) Agile modeling principles like requirements envisioning, prioritized requirements, and multiple lightweight models guide the team's process. 3) A demonstration showed how the team applies these principles with tools like Rational Requirements Composer.