This report analyzes a student's leadership development journey, starting with a self-assessment using the Jung Typology Test, which identifies personality traits like extraversion/introversion, sensing/intuition, thinking/feeling, and judging/perceiving. The student's results indicate an introverted, sensing, feeling, and judging personality type (ESFJ). The report then critiques the Myers-Briggs Type Indicator (MBTI) test, highlighting its strengths and weaknesses, and discussing its reliability and validity in assessing personality and its application to career counseling and leadership development. The report acknowledges the MBTI's widespread use but also points out limitations, such as its inability to account for situational variations and the need for diligent and consistent test-taking. The report also mentions the Big Five personality test as a potential alternative, emphasizing the importance of accurate interpretation for effective personality analysis.