Simon O. Sinek (born October 9, 1973) is a British/American author, speaker, and consultant. His 2009 book on personal development, Start With Why: How Great Leaders Inspire Everyone to Take Action (2009) delves into what he says is a naturally occurring pattern, grounded in the biology of human decision-making, that explains why we are inspired by some people, leaders, messages and organizations over others. He has commented for The New York Times, Wall Street Journal, The Washington Post, Houston Chronicle, FastCompany, CMO Magazine, NPR, and BusinessWeek, and was a regular contributor to The Huffington Post, BrandWeek, IncBizNet.

William Bruce Jenner (born October 28, 1949) is a former U.S. track and field athlete and current motivational speaker, television personality, and businessman. He won the gold medal in the decathlon at the 1976 Summer Olympics held in Montreal. Following Jenner's Olympic victory and the related recognition, his professional career led to new success in television. By 1981, he had starred in several made-for-TV movies and was Erik Estrada's replacement briefly on the top-rated TV series CHiPs. In 1991, he married Kris Jenner (née Houghton, previously Kardashian). Since the 2007 debut of the cable television reality series Keeping Up with the Kardashians, he is seen as the stepfather of the Kardashian siblings: Kourtney, Kim, Khloe, and Rob Kardashian as well as the father of Burt, Casey, Brandon, Brody, Kendall, and Kylie Jenner.