Management practitioners and leadership experts regard personality traits as important attributes of individual, team, and organizational performance. However, few scholars have studied the inner workings of the performance of a new venture as regards the personality traits of the entrepreneurial top management team (TMT). We investigated 156 entrepreneurial TMTs of new ventures in China’s Optical Valley, and found that: (a) the entrepreneurial TMT’s extraversion, agreeableness, conscientiousness, and openness to experience all have a positiv...