Joanna Messing is a climate philanthropy leader catalyzing the global transition to clean energy. As CEO of Growald Climate Fund, a high-impact venture philanthropy fund catalyzing the rapid transition to a clean energy future, she champions climate innovators and solutions, rallies networks for collective impact, and blazes new trails for more effective climate philanthropy. As an early innovator in venture philanthropy – the practice of cultivating an ecosystem of talent and approaches through targeted support to new organizations and ideas – she contributes to shaping and expanding the field.