90 Day Solutions provides auditing, training, process improvement recommendations, and documentation. We have helped numerous Fortune 500 companies attain ISO (International Standard Organization) certification in quality management systems since 2000. Our President, Lisett Guevara, has a doctorate level schooling in education, a master’s degree in industrial engineering, and undergraduate degree in information engineering. As an expert business consultant, she has also helped more than 200 companies and 1500 couples and individuals with their communication and relationships since 1998. She has helped many clients, past students, and customers to rebuild and strengthen their marriages and work relationships, open up their communication, and learn to understand themselves and each other better.