Abstract: The positive psychological resources that the hope, efficacy, resilience and optimism characteristics of psychological capital (PsyCap) holds, possibly affects altruistic behavior of teams. This quantitative investigation sheds more light on this relationship. Multiple Regression Analysis with PsyCap as independent variable predicts the four factors of team altruism: team goals, collegiality, after hours support and problem solving. Questionnaires were sent to 598 participants in different industries. Indications are that selfefficacy, hope and resilience significantly predict team altruism. This is a further indication of the important role that PsyCap plays in promoting healthy teamwork in business.