Top Fractional CMOs for CleanTech / Climate — July 2026
Rankings updated July 2026
Clean energy, sustainability, and climate technology.
8 verified fractional CMOs
Sotiris Sakellarios ∴
Marketing strategy for CleanTech & manufacturing | B2B growth across seed to scale
Gretchen Fix
Fractional CMO helping industrial, manufacturing, climate-tech, and B2B companies accelerate commercialization and revenue growth.
$15,000 - $25,000/mo
$15,000 - $25,000/mo
Kerri Ryan
Fractional CMO for B2B CleanTech | Go-to-market strategy & demand gen for Series A-C
$175 - $225/hr
$5,000 - $18,000/mo
$5,000 - $18,000/mo
River M (MBA)
Fractional CMO for industrial companies | B2B growth from Series A to scale
$400 - $650/hr
$8,000 - $20,000/mo
$8,000 - $20,000/mo
Aigp Kim Jensen Celestre
Fractional Chief Marketing Officer at Rivaro
Leslie Llewellyn
Fractional Chief Marketing Officer - Badger Cpa at Selo Studios
Matt Keowen
Fractional Chief Marketing Officer / Marketing Executive at Mk Advisors
Niki Herr
Chief Marketing Officer at Enchanted Rock
Frequently Asked Questions
How much does a fractional CMO for CleanTech / Climate cost?
Fractional CMO rates for CleanTech / Climate typically range from $150-$350/hour or $5,000-$15,000/month on retainer. Rates vary based on experience, scope, and company stage.
What does a fractional CMO for CleanTech / Climate actually do?
A fractional CMO for CleanTech / Climate provides senior marketing leadership on a part-time basis. They develop marketing strategy, build and manage teams, oversee campaigns, and drive growth without the cost of a full-time executive.
How do I evaluate a fractional CMO for my cleantech / climate company?
Look for direct industry experience, relevant case studies with measurable outcomes, client reviews from similar-stage companies, and alignment with your specific growth challenges.
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