Kris Verburgh, MD, is a researcher at the Center Leo Apostel for Interdisciplinary Studies and one of sixty-four faculty members at Singularity University, a Silicon Valley think tank. He established nutrigerontology, a new scientific discipline focused on the impact of nutrition on the aging process, and he researches interventions that can extend healthy lifespans and reduce the risk of aging-related diseases. His numerous books include the international bestseller The Food Hourglass. Pete Cross holds a BA in theatre from the University of Toledo and an MFA in acting from the California Institute of the Arts. His stage experience includes playing Alexander in Every Good Boy Deserves Favour at Carnegie Hall. He has also acted in film and has served as faculty at Cal Arts and with Aquila Morong Studio in Hollywood. Additionally, he narrates audiobooks and works internationally as a private voice and speech coach.