The Vistaprint Manager Development Program is an 11-12 hour training program for managers consisting of 2 phases. Phase I occurs over 2 days and focuses on core management skills like goal setting, providing feedback, and managing change. Phase II occurs over another 2 days with topics like coaching, communication skills, and building teams. Early results show improved management confidence and ability to prioritize work. The program aims to develop management as a competitive advantage for Vistaprint.