The best fractional CMOs bring senior-level strategy without the full-time cost—but finding the right one takes more than scanning a résumé. I've compared top options by strategic depth, industry fit, and track record so you can make a confident hire. Whether you need GTM leadership, demand generation, or brand direction, this guide helps you find a fractional CMO who can move fast and deliver results.
Top 15 Fractional CMOs
Below are the profiles of top fractional CMOs, covering who they are and what they bring to the table.

Alan Gonsenhauser
CEO at Demand Revenue
Focus area:
#Fractional CMO leadership#GTM strategy#Private equity#B2B SaaS#CMO coaching
Alan Gonsenhauser is the CEO of Demand Revenue, an 11-time CMO and three-time P&L general manager who advises and serves as interim CMO for private equity-backed B2B companies and CMOs on growth.
…

Mark Gabrielli
Fractional CMO & COO at MarkCMO
Cape Canaveral, United States
Focus area:
#B2B marketing#Revenue growth#GTM strategy#Marketing operations#Executive leadership
Mark Gabrielli is the founder of MarkCMO and a fractional CMO and COO. He has 15+ years of executive experience spanning B2B technology, SaaS, healthcare, aerospace, and industrial markets worldwide.
Gabrielli works…
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Pam Didner
Fractional CMO at Relentless Pursuit
North Carolina, United States
Focus area:
#B2B marketing#AI marketing#Sales enablement#Marketing strategy#Sales-marketing alignment
Pam Didner is the founder of Relentless Pursuit, a B2B and AI marketing strategist, fractional CMO, speaker, and author. She helps businesses connect marketing strategy with sales support.
Didner helps organizations make…

Peter Geisheker
Founder & CEO at The Geisheker Group
Watertown, United States
Focus area:
#B2B marketing#Demand generation#Positioning#SaaS marketing#Marketing leadership
Peter Geisheker is founder and CEO of The Geisheker Group and a B2B fractional CMO firm. He has nearly three decades of marketing leadership across SaaS, technology, and growth companies worldwide.
Geisheker's…
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David Berkowitz
Founder & CEO at High Caliber AI
New York, United States
Focus area:
#AI marketing#B2B marketing#Marketing strategy#Community building#Marketing innovation
David Berkowitz is founder and CEO of High Caliber AI, Chief Community Officer at Marketecture, and a former CMO and SVP. His career spans AI, marketing, media, and community building.
Through High…
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Neal Schaffer
Fractional CMO
Irvine, United States
Focus area:
#Digital marketing#AI marketing#Influencer marketing#LinkedIn strategy#Content strategy
Neal Schaffer is a fractional CMO, digital marketing strategist, university educator, keynote speaker, podcast host, and author of six marketing books on digital marketing.
Schaffer’s work as a fractional CMO brings together…

Kate Busby
Fractional CMO at Quiet Edge
Focus area:
#GTM strategy#EdTech marketing#Demand generation#AI marketing#Growth strategy
Kate Busby is a fractional CMO and founding member of Quiet Edge who works with EdTech and SaaS companies on growth, positioning, go-to-market strategy, and AI-enhanced marketing systems.
Busby combines marketing fundamentals…

Jonny Butler
Fractional CMO
Japan
Focus area:
#B2B SaaS#GTM strategy#Positioning#Demand generation#Marketing execution
Jonny Butler is an independent fractional CMO and marketing advisor for early-stage B2B SaaS companies. He previously held marketing leadership roles at Leadfeeder and OneUp Sales in Europe and Japan.
Butler works…
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Pascal Ehrsam
Fractional CMO
New York, United States
Focus area:
#Startup marketing#GTM strategy#Brand strategy#Marketing leadership#Tech startups
Pascal Ehrsam is a New York-based fractional CMO with more than ten years of experience advising tech startup founders. He previously worked at agencies and as a full-time CMO for global brands…
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Tina Louise
Fractional CMO
Barcelona, Spain
Focus area:
#Growth marketing#Brand strategy#Positioning#Health & wellness#Marketing education
Tina Louise is a fractional CMO and marketing lecturer with two decades of industry experience, including marketing work at Airbnb, MyFitnessPal/Under Armour, Adobe, and Ogilvy worldwide.
Louise works with health, wellness, and…
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Patricia Gunter
Founder & Fractional CMO at Duplia Marketing
Georgia, United States
Focus area:
#Industrial B2B#Marketing strategy#Positioning#Business transformation#Marketing leadership
Patricia Gunter is founder of Duplia Marketing, where she provides fractional CMO leadership to industrial B2B companies. She has 25 years of experience working with industrial organizations worldwide.
Gunter's work brings executive…
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Pete Nourse
Founder & Fractional CMO at GTM Fractional CMO Services
Florida, United States
Focus area:
#B2B technology#Cybersecurity marketing#Positioning#GTM strategy#Channel marketing
Pete Nourse founded GTM Fractional CMO Services after more than 25 years in B2B technology marketing, including senior marketing roles at Bitdefender, nCipher, EDS, Veriato, and Asigra.
Nourse has spent much of…
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Mark Evans
Fractional CMO at Marketing Spark
Toronto, Canada
Focus area:
#B2B SaaS#Positioning#Marketing strategy#GTM strategy#Startup marketing
Mark Evans is founder of Marketing Spark, a fractional CMO and strategic advisor who has led marketing inside VC-backed startups. He now works with B2B SaaS founders and CEOs on growth strategy.
…
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Kyle Hamer
Fractional CMO/CRO at Hamer Marketing Group
Focus area:
#B2B SaaS#Revenue strategy#AI transformation#GTM strategy#Revenue operations
Kyle Hamer runs Hamer Marketing Group as an AI-native fractional CMO/CRO after two decades across sales and marketing leadership at On Center Software, ConstructConnect, Asite, and hh2.
Hamer approaches marketing from a…
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Casey Slaughter Stanton
Founder & CEO at CMOx
Philadelphia, United States
Focus area:
#Fractional CMO leadership#Marketing strategy#CMO development#Executive marketing#Marketing operations
Casey Slaughter Stanton is founder and CEO of CMOx, the Fractional CMO company, where his work centers on marketing strategy and developing fractional marketing leaders and teams worldwide.
Stanton built CMOx around…
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Selection Methodology
I selected the leaders on this list based on their relevance, demonstrated expertise and impact, professional credibility, and active service offerings in the field.
I look for evidence such as leading meaningful initiatives, delivering results, providing ongoing operational leadership, developing influential ideas or practices, publishing or teaching, and other contributions that demonstrate impact.
Further Reading
Explore fractional CMO expertise across international markets with our country-specific guides to the UK and Canada.
What’s Next?
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