Spiritual formation may refer either to the process and practices by which a person may progress in one's spiritual or religious life or to a movement in Protestant Christianity that emphasizes these processes and practices. It may include, but is not limited to,Today's world cries out for people who can lead with a global perspective. We need leaders who lead from the heart as well as the mind, leaders who understand that decisions made about even the smallest of organizations affect the entire global community. We need leaders who can act ethically, intentionally, and with respect for existing citizenry as well as for future generations. We need leaders who can address problems from an integrated, holistic perspective—the only place that solutions for today's most pressing problems will be found. Most of all, we need leaders who understand that the primary function of a leader is to serve, not to be served. Spiritual formation may refer either to the process and practices by which a person may progress in one's spiritual or religious life or to a movement in Protestant Christianity that emphasizes these processes and practices. It may include, but is not limited to, Christian religious writers and institutions have differing definitions of spiritual formation due to their various conceptions of it. Some authors suggest that it is discovery of 'leadings of the heart,' renewal of the mind (sanctification), walking in the spirit, or a type of character formation. In Care of Mind, Care of Spirit, psychiatrist Gerald G. May offers, “Spiritual formation is a rather general term referring to all attempts, means, instruction, and disciplines intended towards deepening of faith and furtherance of spiritual growth. It includes educational endeavors as well as the more intimate and in-depth process of spiritual direction.” Christian spiritual formation is often understood as a long-term process in which a believer desires to become a disciple of Jesus and become more like him. This process requires engagement of various sorts by the individual and religious community but is enacted and guided by the Holy Spirit. Dallas Willard wrote that “spiritual formation for the Christian basically refers to the Spirit-driven process of forming the inner world of the human self in such a way that it becomes like the inner being of Christ himself.” Some people regard leadership development as a process of spiritual formation. Building on the emphasis of Christian spiritual formation in leaders, leadership expert Timothy H. Warneka wrote: