Top Fractional CMOs for CleanTech / Climate — October 2026
Rankings updated October 2026
Clean energy, sustainability, and climate technology.
11 verified fractional CMOs
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
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
Brandon Ives
Fractional CMO & Growth Advisor for B2B Brands | Data-Driven Marketing, Integrated Brand Strategy, and Marketing Tech Innovation
Lihi Pinto
CMO/CRO services for post-raise B2B AI & tech
Asha Frazier
Scale operator for DTC, marketplace & B2B | Millions to hundreds of millions, capital efficiently
From $200/hr
From $3,000/mo
From $3,000/mo
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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