John Gerzema is an American CEO and columnist who focuses on social sciences and the impact of leadership ethics and corporate culture on consumer behavior and financial performance. He has a particular focus on female leadership traits and competencies in modern-day leadership. He is Chairman and CEO of WPP Groups BAV Consulting, overseeing the BrandAsset Valuator, a consumer and brand... read full bio
John Gray, Ph.D - the best selling relationship author of all time - is the author of 16 best-selling books including Men Are from Mars, Women Are from Venus: one of the best-selling books of the last decade. In the past fifteen years, over 40 million Mars Venus books have been sold in over 45 languages throughout the world. An... read full bio
John Green is a force to be reckoned with. He is the author of the internationally popular young adult novels Looking for Alaska, An Abundance of Katherines, Paper Towns, and The Fault in Our Stars - the latter two have been turned into successful films of the same names. Green is also one half of The Vlog Brothers, a youtube... read full bio
A master of the legal-thriller, novelist John Grisham is one of today’s most prolific and timeless authors. His anything-but-meager oeuvre of A Time to Kill, The Firm, The Client, and his most recent release, The Appeal, consistently rank as top best-sellers nationwide and several have been made into hit films, such as The Pelican Brief. John Grisham's work also includes... read full bio
Dr. John Grotzinger is the chief scientist and head of strategic science planning for NASAs $2.5 billon Curiosity rover mission to Mars, which riveted the country with its dare-devil landing and remains the most complex spacecraft to ever land and operate on the surface of another planet. A veteran geologist of more than 30 years of exploration of Earth and... read full bio
John Gummer is a British politician who is currently with the Conservative Party and a member of the House of Lords, known as The Lord Deben. Gummer was born in Stockport, Cheshire, England, and studied history at Selwyn College, Cambridge, where he was chairman of the Cambridge University Conservative Association and went on to be President of the Cambridge Union... read full bio
John Hall was named one of the Business Journals' Top 100 Visionaries and the recipient of the EY Entrepreneur of the Year Award for Best Emerging Company. "Top of Mind," written by John Hall and published by McGraw-Hill, is a bestseller. People have referred to him as a top "sales speaker," "virtual keynote speaker" and "motivational guest speaker" who deserves attention. He... read full bio
John Harwood is a skilled and distinguished political journalist whose sharp reporting has had a lasting impact on American politics. With an illustrious career spanning decades, Harwood has gained broad acclaim and respect for his perceptive reporting and courageous pursuit of the truth. As a White House Correspondent, Harwood has played a crucial part in informing the public about the inner... read full bio
John Henry is a Dominican-American entrepreneur, podcaster, and investor. He has had many jobs over the years and has been Founder and CEO of Mobile City Services and also Program Director of AREA Accelerator. Currently, Henry is the Co-founder and chairman of the non-profit Cofound Harlem, a branded podcast host with Gimlet Media, and a partner of Harlem Capital. When... read full bio
Dr. John Hillen is the CEO and member of the Board of Directors at EverWatch. He has previously been an American business executive and diplomat who served for the Assistant Secretary of State for Political-Military Affairs under the Presidency of George W. Bush. Hillen earned his B.A. from Duke University, went on to earn his M.A. from King’s College London,... read full bio
At NBC, John Hockenberry served as a correspondent for Dateline, where his work ranged from an intimate portrait of a schizophrenic young adult to an investigative piece that traced internet swindlers in an international web, to the first and only interview with the brother of two of the 9/11 suicide hijackers. A four-time Emmy Award winner and three-time Peabody winner,... read full bio
As a contributor for ten years and counting, John Hodgman has served as The Daily Show's Resident Expert. When John Stewart left the show, Hodgman stayed on as a correspondent for the new host Trevor Noah. Hodgman is also a widely published author, with his books including ""The Areas of My Expertise"", ""More Information Than You Require"", and ""That Is... read full bio
The office for John Hope Bryant 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.
John Hume is a former Northern Irish politician from Derry, founding member of the Social Democratic and Labour Party and co-recipient of the 1998 Nobel Peace Prize, with David Trimble. He was the second leader of the Social Democratic and Labour Party SDLP, a position he held from 1979 until 2001. He has served as a Member of the European... read full bio
John Humphrys is a Welsh broadcaster, journalist, and host, who has been known for his work with BBC, having been the presenter for the ‘Nine O’Clock News,’ and for presenting the program ‘Today,’ as well as hosting the television show ‘Mastermind.’ Humphrys was born in Adamsdown, Cardiff, Wales, and he left school at 15 years old to pursue a career... read full bio
John Ibbitson is a seasoned journalist and author, focusing on our population and the future of our planet. Ibbitson authored the best-selling book titled Empty Planet, which covers our population’s future when undergoing a sizeable decline. Empty Planet discusses human life in all spectrums, including environmental change, work, and lifestyle. Ibbitson, apart from his book, has written for Ottawa Citizen,... read full bio
Author, lecturer, and marketing strategist John Jantsch focuses on the needs of startups and small enterprises. His writing credits include Duct Tape Marketing, The Referral Engine, and The Commitment Engine. John attended the University of Kansas after growing up in the city of Kansas. John founded the Duct Tape Marketing System, a company that educates and authorizes independent marketers to advise... read full bio
John Kao has made a career out of helping organizations go from getting the importance of innovation to getting innovation done. Dubbed Mr. Creativity by The Economist, John is Chairman of the Institute for Large Scale Innovation, whose i20 group is an association of 30 national Chief Innovation Officers. He is considered a leading authority on the subjects of innovation,... read full bio
John Kasaona is a conservationist who is known for working with people to reinvent conservation in Namibia where he works to turn poachers into protectors of species. While under South African rule, the animals in Namibia began being poached drastically and after Namibia gain independence, the Integrated Rural Development and Nature Conservation worked with local communities such as Kasaona’s to... read full bio
John Kasich is an American politician, author, and former television news host who was the 69th Governor of Ohio. Prior to his position as Governor, Kasich has been a member of the Ohio Senate from the 15th district, member of the U.S. House of Representatives from Ohio’s 12th distract, and has also been Chair of the House Budget Committee. Kasich... read full bio
