Barbara Greenstein, senior instructional designer at Epsilon Systems Solutions, Inc., is a performance improvement specialist providing proven and creative ways to improve human performance in the workplace. Highly regarded for her instructional design and facilitation skills, with over 30 years in the learning and development field, she helps clients put the systems in place to more effectively manage in today's changing business environment, while ensuring optimal performance and job satisfaction for all employees. She received her MA in human resource development from Marymount University. Barbara is a Certified Performance Technologist (CPT), from ISPI.