This chapter discusses personality and values in organizational behavior. It defines personality and describes common frameworks for understanding it, including the Myers-Briggs Type Indicator and Big Five model. Key personality traits like conscientiousness, extraversion, and emotional stability are linked to job performance. Values represent preferences about how to live and differ between generations and cultures. Managers should consider person-job and person-organization fit to match personalities and values with work. Hofstede's model describes cultural dimensions like individualism and power distance that influence values internationally. Overall, personality and values assessment can aid selection and development in organizations.