John O'Brien
John is a thought leader, advisor and bestselling author on business purpose, campaigning, marketing and communications. He is EMEA Managing Partner at Omnicom’s ‘ONE HUNDRED’, a consortium of nine public relations, digital and marketing agencies, creating solutions for corporates and causes around the world.
After a decade as an Army Officer, John has spent over twenty-five years at the interface of business, society and public campaigns. He has led organizations covering more than twenty countries and in addition to his corporate work spent seventeen years in various roles for HRH the Prince of Wales.