Catherine Nixon Cooke is the author of Juan O’Gorman: A Confluence of Civilizations and Powering a City: How Energy and Big Dreams Transformed San Antonio, both published by Trinity University Press; The Thistle and the Rose: Romance, Railroads, and Big Oil in Revolutionary Mexico; and Tom Slick, Mystery Hunter, which is in development as a major motion picture. She is a contributor to two anthologies, They Lived to Tell the Tale: True Stories of Modern Adventure from the Legendary Explorers Club and Adventurous Dreams, Adventurous Lives. She and her husband divide their time between San Antonio, the Texas hill country, and more remote parts of the world where untold stories beckon.
Bill Greehey is chairman of NuStar Energy L.P. and the founding chairman and CEO of Valero Energy Corporation. He led the company from its inception in 1980 until he retired as CEO in 2006 and as chair in 2007, when NuStar spun off from Valero. The Harvard Business Review named Greehey one of the world's best performing CEOs based based on his tenure at Valero. A noted philanthropist, he has given over $300 million to charitable causes. He is the founding chairman of Haven for Hope, a national model for transforming the lives of the homeless.
Char Miller, formerly a professor of history at Trinity University, is the W. M. Keck Professor of Environmental Analysis at Pomona College. He is the author of the award-winning Gifford Pinchot and the Making of Modern Environmentalism, Deep in the Heart of San Antonio: Land and Life in South Texas, and Public Lands/Public Debates: A Century of Controversy, as well as the editor of On the Border: An Environmental History of San Antonio and Fifty Years of the Texas Observer. His most recent books for Trinity University Press are Not So Golden State: Sustainability vs. the California Dream and On the Edge: Water, Immigration, and Politics in the Southwest. Miller is a frequent contributor to print, electronic, and social media.