Our Authors

Guillermo Söhnlein

Guillermo A. M. Söhnlein is an explorer, entrepreneur, investor, and philanthropist with a particular passion for space, oceans, and sustainability. Over the course of a 25-year entrepreneurial career, he has helped launch over a dozen for-profit ventures and nonprofit organizations. His prior efforts include Space Angels Network in 2006, OceanGate in 2009, and the Humans2Venus Foundation in 2020. He enjoys sharing his experiences with others as an advisor, mentor, Board member, teacher, and speaker. Guillermo earned his AB in Economics from the University of California at Berkeley and his JD from the University of California San Francisco College of the Law (formerly Hastings College of the Law). He served as an officer in the United States Marine Corps and was admitted to The Explorers Club in 2012. Born in Buenos Aires, Argentina, he was raised in Silicon Valley and currently splits his time between Barcelona in Spain and Atlanta, Georgia, in the US. He is the proud father of three grown children: Rebecca, Daniel, and Caleb.

Books by Guillermo Söhnlein

Bill Spangler

According to the baby book compiled by his mother, Bill Spangler wrote his first fan letter to a television show while he was in elementary school. (The show? “Romper Room.”) These days, his fan letters are being published by BenBella Books in volumes such as Farscape Forever and Star Wars On Trial, as well as this one. He has also written articles about pop culture for national magazines and original comic-book stories based on science fiction TV shows such as “Alien Nation” and “Quantum Leap.” Bill and his wife Joyce live in Bucks County, Pa., with two ferrets and a dog. Bill would like to thank his wife, Jon Plante, and Kathy Morrow for their help in pulling this essay together on a relatively tight schedule.

Cathy Spangler

Catherine Spangler is the author of the award-winning Shielder series, futuristic romances that are literally out of this world. The latest book in the series, Shadow Fires, was a 2005 RWA RITA finalist for best paranormal book. Coming next is a dark and edgy paranormanl Sentinel series, set on current-day earth. Catherine grew up in Alabama and now resides in Texas with her husband and a menagerie of animals. You can visit her Web site at www.catherinespangler.com.

Rachelle Sparks

Rachelle Sparks

Rachelle Sparks worked as an award-winning journalist for a daily newspaper in Prescott, Arizona, where she wrote stories about the unforgettable “wish” families who became her inspiration for writing Once Upon A Wish. She then became a freelance writer for numerous publications, including Arizona Highways magazine and the Phoenix and San Francisco editions of 944 magazine, while touring the country to interview and capture the stories of the families featured in this book. She lives with her husband, Bobby, and their two sons, Andrew and Evan, in San Diego. This is her first book.

Books by Rachelle Sparks

Christia Spears Brown

Christia Spears Brown, PhD, is a Professor of Developmental Psychology, and the Director of the Center for Equality and Social Justice, at the University of Kentucky. Her research focuses on children’s experiences with ethic, racial, and gender discrimination and stereotypes and how racism and sexism impacts the academic, social, and psychological lives of children and teens. In addition to award-winning scientific research articles, chapters, and academic books, and numerous teaching awards, she is the author of Parenting Beyond Pink and Blue: How to Raise Children Free of Gender Stereotypes. She was the 2019 Society for Research in Child Development Scholar-in-Residence. She regularly speaks with and consults parent groups, schools and teachers, toy and media companies, and businesses about reducing the impact of stereotypes, is regularly featured in international media outlets, and has served as an expert witness for the ACLU on cases of gender discrimination in schools.

Books by Christia Spears Brown

RJ Spina

Many consider RJ Spina the world’s leading authority on metaphysics. His own incredible story of healing permanent paralysis and enlightenment is well-documented and verifiable. He is an internationally published author of four bestselling revolutionary books, a humanitarian award winner, and highly sought-after counselor and healer. He has changed the lives of millions of people across the globe and his audience and following continues to grow exponentially.

Books by RJ Spina

Norman Spinrad

Norman Spinrad is the author of some 20 novels and 60 stories published in 14 languages, including Bug Jack Barron, The Iron Dream, He Walked Among Us and Mexica. He has also written feature films, television programs and songs. He is also a journalist, film critic, literary critic and political commentator. He has been a radio talk show host, vocalist, literary agent and president of the Science Fiction Writers of America and World SF. He grew up in New York, has lived in Los Angeles, London, San Francisco and Paris, and traveled widely in Europe, less so in Latin America and Asia.

Michael Spivey, Ph.D.

Michael Spivey, Ph.D., is full professor of cognitive science at the University of California, Merced, and author of The Continuity of Mind. He received his B.A. in psychology from the University of California, Santa Cruz, and his Ph.D. in brain and cognitive sciences at the University of Rochester.

Timothy Sprinkle

Tim Sprinkle

Timothy Sprinkle is a longtime business journalist whose work has appeared in Wired, Entrepreneur, Outside, and on Yahoo! Finance, among other outlets. He has covered the technology space—and tech startups, in particular— for more than a decade as a reporter and editor and is widely published, both in print and online, on the subject of entrepreneurship and small business.