We operate at the intersection of strategy and execution for powerful marketing mixology without the traditional agency bloat.
Shelley Mantei is a seasoned marketing strategist and founder of Mediatonic Digital, a boutique consultancy delivering Fractional CMO services to businesses looking to scale smarter. With 25+ years of experience, she is a powerhouse in SEO, brand strategy, paid media & marketing initiatives spanning B2B to B2C, packaged goods and hospitality to cybersecurity. She has guided companies through strategic growth, positioning, and digital transformation.
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Shelley operates at the intersection of strategy and execution, ensuring businesses don’t just build marketing strategies—they make them work. Mediatonic Digital provides executive-level marketing leadership without the overhead, helping businesses navigate growth, optimize their marketing ecosystems, and drive real results.
“Shelley stepped into a complex, fast-moving environment to quickly bring structure, clarity & strategic focus to our marketing. Her ability to cut through the noise, refine our messaging and implement marketing strategies that drove results was invaluable. Working with Shelley as our fractional CMO was a game-changer for Dirty Cookie.”
“I’ve never worked with an agency who checked all the boxes from planning, implementing to tracking the data and getting it all done in an organized and perfect way. From showing what your data’s story to messaging and content.”
