As an employee for 14 years at a Christian non-profit that values spiritual growth, I’ve had the benefit of training, seminars, and assessments to learn more about myself. I know my Myers-Briggs. I’ve done StrengthsFinder and SIMA. I’ve learned about my Emotional Intelligence. All of them have been useful in growing my self-awareness, certainly, but also in growing me spiritually, relationally, and professionally. By far, however, the most useful tool I’ve encountered for growth is the Enneagram.