Roger is a sales communications expert. For over 30 years, he’s helped organizations increase revenue, boost client satisfaction, and launch new products with flair.
His clients—including GE, Synchrony, UL Solutions, Foot Locker, Symantec, and Vertex—trust him to deliver exceptional results.
Before becoming a full-time speaker in 2004, Roger spent 17 years at Gartner, the world’s leading technology advisory firm. There, he established the firm’s Sales Training Academy and was instrumental in scaling revenues from $32 million to $850 million.
Roger is also a TEDx speaker, the past president of the New England chapter of the National Speakers Association, and author of The Yellow Cake Principle: Your Recipe for Influence and Success. He’s renowned for transforming complex technical jargon into clear, actionable insights.
With Roger Grannis, you don’t just get a speaker—you get a catalyst for transformation.
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