The study aims to identify the knowledge sources for opportunity recognition and to examine the relationships between personality traits, ambidexterity, knowledge brokerage, and firm performance. Data were collected from 132 entrepreneurs in the technology sector using a questionnaire survey. The study finds that the mostly used knowledge sources for opportunity recognition are Internet/social media, online media, and customers. The findings reveal that personality traits of entrepreneurs relates with ambidexterity, specifically, openness to experience relates positively with engagement in exploration activities, and conscientiousness relates positively with engagement in exploitation activities. Furthermore, entrepreneur’s ambidexterity and knowledge brokerage have a positive relationship, which in turn, affect firm performance.