Change happens constantly at the office, but the wrong changes can seriously disrupt your business. For example, high employee turnover rates not only cost money and time, but can also negatively damage the performance of current employees. The process of hiring and training a new employee can be substantial based on responsibility, expertise regarding the position, and level within the company. The millennial generation has the reputation of moving from job to job in rapid succession, which impacts your turnover rate. This paper will explore how you can take a science-based approach to increasing millennial retention and improving employee productivity, morale, and growth.