Richard Foster is the founder of RENOVAR� and author of a number of internationally bestselling books including CELEBRATION OF DISCIPLINE and PRAYER. Richard travels throughout the world, speaking and teaching on the spiritual life.
Richard Foster is a senior partner and director at McKinsey & Company and the author of the bestsellingInnovation:The Attacker's Advantage, named one of the best business books of the year byThe Wall Street Journal. Sarah Kaplan worked at McKinsey & Company for many years, specializing in innovation and technology management. Foster lives in New York City, and Kaplan in Boston. From the Hardcover edition.