Postconventional stages of personality development involve growth well beyond the average, and have become a rapidly growing subject of research not only in developmental psychology circles, but also in areas such as executive leadership development. The present work is the first to bring together many of the major researchers in the field, showcasing diverse perspectives ranging from the spiritual to the corporate. The contributors present research on essential questions about the existence and prevalence of high levels of personal growth, whether such achievement is correlated with other...