Bent Flyvbjerg is the first BT Professor at Oxford University and the VKR Professor at the IT University of Copenhagen, an economist, and "the world's leading megaproject expert," according to global accounting network KPMG. He has consulted on over one hundred projects costing $1 billion or more and has been knighted by the Queen of Denmark.

Dan Gardner is a journalist and the New York Times bestselling author of Risk, Future Babble, and co-author of Superforecasting (with Philip E. Tetlock).