The document provides details about the Pioneer Valley Summit on Sustainable Investment to be held on June 11th at The Summit House in South Hadley, Massachusetts. The summit will gather diverse leaders to explore approaches to sustainable investing and engage in creative thinking about how investment can be used to address social and economic disparities in the region. The day-long event will include panel presentations, lunch, and roundtable discussions on topics like socially responsible investing trends, for-profit and nonprofit business models that achieve social and environmental goals, and local innovations increasing community ownership. Participants will then convene informal groups to discuss ideas generated throughout the day.