Classically, managers are individuals assigned to and functioning at various responsibility, accountability, and authority levels. Top-level managers are usually responsible for overall entity direction, accountable to stakeholders, and have the authority to establish measurable and achievable high-level goals ensuring adopted high-level objectives attainment. Middle-level managers are responsible and accountable for programs or activities coordination. Simultaneously, these managers are accountable upward regarding entity goals and objectives achievement, and responsible downward as top-level management representatives. At the lower level management spectrum, managers are generally considered supervisors. Supervisors are usually responsible for daily operations as well as direct interaction with assigned employees for creating, sustaining, or terminating processes. Furthermore, supervisors are normally accountable to middle-level management for assigned responsibilities.