Mary Abbazia is a strategic marketing consultant. Along with her partners Tom Spitale and Sean Welham, they help an impressive list of b2b clients differentiate their products and services through their work at Impact Planning Group. Tom and Mary are co-authors of the firm's book The Accidental Marketer, published by Wiley.

Tom Spitale is a strategic marketing consultant. Along with his partners Mary Abbazia and Sean Welham, they help an impressive list of b2b clients differentiate their products and services through their work at Impact Planning Group. Tom and Mary are co-authors of the firm's book The Accidental Marketer, published by Wiley.

Sean Welham has worked extensively around the world in business-to-business strategic marketing. His work as a speaker, trainer, and consultant is predominantly in the technical and scientific arena with clients ranging from jet engines to oil and gas production and from agricultural chemicals to pharmaceuticals.