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Roger Grannis



Country or State

United States


Roger Grannis is a sales communications expert. Known for his energy, relatability, and humor, Roger is in high demand as a keynote speaker. He is the past president of the National Speakers Association, New England chapter; a TEDx speaker; and author of the bestselling book, ''The Yellow Cake Principle: Your Recipe for Influence and Success.'' Before launching GrannisGroup, in 2004, Roger spent seventeen years at Gartner, the world’s leading technology advisory firm. During his tenure, he built the firm’s Sales Training Academy, helping grow revenues from $32 million to $850 million. Roger has used his influencing skills to get a great deal on a new hot water tank, lead a troop of rambunctious Boy Scouts, and talk his way out of being held at gunpoint. He never met Julia Child, but he was an extra in the movie Julie & Julia. His favorite cake is yellow cake with chocolate frosting on the outside and vanilla between the layers.

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Current Position

Principal at GrannisGroup


Bachelor’s Degree, Speech, Psychology