Futurist. Advisor for various think tanks. Editor or consultant for various books, papers and websites related time travel and space colonization. I was Editor-in-Chief for Mars Initiative and reviewed the chapter on Time for the book The Eccentric Universe for Rob Lowe. Rob and i have various projects we have worked on such as SHIPinSPACE. I am on Lifeboat Foundation's "Philosophy" and "Space Settlement" advisory boards.