Over the course of the past twenty years, Dan Isaacson has established himself as a pioneer and innovator in the field of health and fitness. Because of his keen intuition and inventiveness, he was able to build an empire on the back of his ambition to make the world healthier. In addition to being an author and the President of... read full bio
Daniel E. Dawes is an author, scholar, educator, and leader in health equity, reform and mental health movements. He has been the Executive Director of the Satcher Health Leadership Institute at Morehouse School of Medicine and has also been a professor of health law, policy and management. Dawes has also been known for being the co-founder of the Health Equity... read full bio
Daniel Levitin is an American-Canadian neuroscientist, writer, musician, cognitive psychologist, best-selling author, and record producer. Through his work, Levitin has studied music, the brain, health, productivity and creativity. Levitin has earned his B.A. in Cognitive Science from Stanford and went on to earn his M.Sc. and Ph.D. in cognitive psychology with a Ph.D. minor in Music Technology from the University... read full bio
Danny Cahill is currently the owner of thedannycahill.com, a self-help, and motivational company helping people overcome the obstacles in the way of their success. Danny has travelled the world speaking to companies such as Chick-fil-A, Gorton's Fish, Williams Co., and many more. He speaks for charities, churches and organizations helping their members and employees get past the I Can't" mentality... read full bio
Daphne Oz is a writer and natural foods chef who focuses on emotional, physical, and spiritual health. Her book, ‘The Dorm Room Diet’, a book for young people on how to build and maintain healthy eating, exercise, and supplementation habits after leaving home, received national press coverage and spawned ‘The Dorm Room Diet Planner’ and ‘The Dorm Room Diet Workout... read full bio
Darria Long Gillespie is a practicing emergency physician, the former senior vice president of Clinical Strategy, an author, and a television and media medical expert. Gillespie has earned her bachelor’s in political science and government from the University of Rochester and went on to earn her MBA from Harvard Business School, and her M.D. from U Of Rochester School of... read full bio
David Heymann is an American infectious disease epidemiologist and public health expert who is based out of London. Heymann has worked as the Professor of Infectious Disease Epidemiology at LSHTM and has also been head of the centre of global health security for Chatham House in London. Heymann was born in Pennsylvania and has earned his B.A. from Pennsylvania State... read full bio
David Kessler is an expert on healing and loss. He has had numerous experiences dealing with life, death, and other tragedies. Kessler has learned to keep his happiness through life’s punches and loves to share his experiences and positivity with others. He is an author of five best-selling books, “You Can Heal Your Heart”, “Divorce or Death with Louise Hay”,... read full bio
David Kirsch is a renowned authority on obtaining optimal health and well-being at any age or fitness level. He has spent over two decades uncovering and exploiting the strong connection between mind, body, and spirit. David is a wellness visionary who was an early proponent of mind-body connection. David's distinctive combination of mind-body fitness, multitasking workouts, and smart eating has... read full bio
David Merritt is a health care adviser, communications strategist, author, and Executive Vice President of Public Affairs and Strategy at America’s Health Insurance Plans. With AHIP, Merritt leads their communications and coalitions, advocacy and strategy on issues from Medicare and Medicaid to health policy, prescription costs, and value. Merritt has previously been Managing Director for Frank Luntz at Luntz Global... read full bio
As a well-known wellness strategist, keynote speaker, and respected author, Dr. David Nico, often known as "Dr. Healthnut," is dedicated to enabling people and companies to attain outstanding outcomes. Named one of "America's Ultimate Experts" by Woman's World magazine, Dr. Nico has nearly thirty years of varied experience in the medical field. His knowledge is broad and includes topics like... read full bio
Professor Dr. David Sinclair, a renowned expert on aging and best-selling author, is considered as the finest authority on human lifespan. Dr. Sinclair is the director of a renowned research group that has uncovered the causes of aging and ways to slow it down. He is a professor in the Genetics Department at Harvard Medical School. Author of the New... read full bio
Having served as a member of the President's Council on Physical Fitness and Sports for two terms, Denise Austin continues to be one of the biggest sellers of exercise DVDs in history. Her enthusiastic approach to exercise and nutrition has made her one of American television's most popular fitness experts. She does a segment entitled Wakeup Workout with Denise Austin... read full bio
Dennis A. Robbins Ph.D. M.P.H. is a nationally recognized health innovator, thought leader, and activist with over three decades of experience in health care. His eclectic blend of academic, and postdoctoral training in health, health care, wellness, business, ethics, and policy as applied to liability, payment systems, new technologies, health law, and health policy is distinctive. He serves or has... read full bio
Devin Alexander is well recognized for her ten years as "The Chef" on the hugely successful television series The Biggest Loser. Her distinctive method of preparing healthful food and her inspiring tale of sustaining a 70-pound weight loss made her THE media go-to authority on "decadence without consequence" for more than 20 years. She has been on numerous local and national... read full bio
Devon Lévesque is a fitness enthusiast, philanthropist, and serial entrepreneur. After five years of working in the hotel industry, he started teaching customers on positive energy and his own health practices at the age of 23, which soon led to the launch of his first business. He is the founder of two businesses: Creator & Company, a digital marketing firm... read full bio
The office for Diane Sawyer has asked that CTI not list them, give out pricing, information or availability. If you are interested in this celebrity only, please contact CTI directly and we can let you know the process needed to confirm a date with them.
Dolvett Quince is an American fitness model, personal trainer, entrepreneur, actor, and spokesmodel. He is best known for being the main trainer on the American version of the series “The Biggest Loser” for six seasons. Quince grew up adopted by a Jamaican couple. He got his start working at an Atlanta YMCA where he went on to fully pursue personal... read full bio
Don Berwick is the United States' leading advocate for high-quality healthcare. In December, he stepped down as the Administrator of the Centers for Medicare and Medicaid Services. For 22 years prior to that, he was the founding CEO of the Institute for Healthcare Improvement, a nonprofit dedicated to improving healthcare around the world. A pediatrician by background, he has also... read full bio
Without a question, Dr. Adolph Brown, III, provides the most incredibly motivating, timely, and entertaining—yet deeply challenging—presentations available. He is an American investor, businessman, clinical psychologist and mental health specialist, author, urban and rural school educator, research scientist, and keynote speaker. At his core, he is a professional teacher educator, a lifelong supporter of social justice and mental health, and... read full bio
