Kate is author of Doughnut Economics: Seven Ways to Think Like a 21st-Century Economist from Chelsea Green.
Ralph is author of Breaking Through Power: It's Easier Than We Think from City Lights.
Dave got teargassed twice, if you were wondering about his credentials.
Eugenia is author of Beyond Infinity: An Expedition to the Outer Limits of Mathematics from Basic Books.
Christine wrote the article The High Costs of US Warmongering Against North Korea for Truthout.
Jeffy is hosting the "What Is Capitalism" Contest at Seattle's Red May next weekend. Go to it.