This document provides guidance on developing and optimizing an executive sponsor program to improve relationships with large customers. It recommends that companies match the right executive with each customer, target only the largest accounts, equip executives with customer knowledge, and leverage the program to build strategic long-term relationships. The document also outlines foundational elements such as selecting participating accounts and executives, defining roles, and providing training to executives. It emphasizes the importance of measuring the program's impact through metrics like customer satisfaction, retention, and revenue growth.