It’s not every day you find the top officers from the biggest foundations in the United States chatting about their commitment to impact investing. It happened, though, at the Mission Investors Exchange (MIE) biennial conference in Baltimore, Maryland. From May 9 to 11, the CEOs of Meyer Memorial Trust and the Ford, Kresge, MacArthur, McKnight and Surdna foundations each took the stage to share their stories, commitment and strategies for "Seizing the Momentum" of impact investing. The size and stature of these foundations are a testament to MIE’s organizational reach and impact investing’s increasingly mainstream appeal. It may be a little overwhelming however, for smaller foundations and organizations just beginning to explore this tool. The MIE conference can feel like the arcade at the state fair: Over here we have real estate strategies to fight gentrification! Over there are fisheries, already accelerated to Version 2.0! And over there, how to invest our way out of climate change! I think this is overwhelming in a good way, though.