Best Fractional CMOs for B2B SaaS Companies

Aaron Zakowski is a marketing consultant and fractional CMO for B2B and SaaS companies, with an analytical bent that traces back to an early career in accounting before he moved into marketing over 15 years ago. After running his own agency from 2015 to 2023 and supporting more than 100 companies, from early-stage startups to unicorns, he now works directly with a small group of clients, providing strategic leadership across marketing strategy, team management, paid social, content and ABM.

The draw is senior, data-driven leadership focused on building profitable customer-acquisition systems rather than running individual campaigns. He suits SaaS companies that want an experienced hand setting direction and holding the numbers accountable. A good fit for B2B SaaS companies that want a fractional CMO to build a scalable, profitable acquisition engine.

Georgina Willison is a UK-based fractional CMO and startup marketing specialist with over a decade of experience across B2B SaaS, tech and finance. She works with early-stage startups and small teams, combining strategy with hands-on delivery across digital marketing, branding, content, paid advertising and product launches, and offers flexible monthly support that adapts to what a company needs.

The appeal here is a leader who both sets the strategy and rolls up her sleeves to execute it, which suits founders who need clarity and momentum without a full in-house team. She is a stronger fit for early-stage companies than large marketing functions. A good fit for early-stage B2B SaaS founders who want senior marketing leadership paired with practical, month-to-month delivery.

Kerry Langstaff is a fractional CMO for B2B tech companies, with decades of experience spanning PR, agency work, enterprise tech and multiple SaaS startups. She has often served as an entire marketing department, building demand generation from scratch, launching products, aligning sales and marketing, and turning lead generation into real pipeline. Her approach favors transparent, month-to-month collaboration and results a founder can act on rather than vanity reporting.

That makes her a fit for SaaS companies that need senior marketing leadership to bridge the gap between marketing, sales and revenue, particularly where the function needs building or fixing. A good fit for B2B tech companies that want a hands-on fractional CMO to turn scattered marketing activity into pipeline.

Lee Smith is a marketing leader with more than 20 years across B2B and B2C, covering strategy, brand development and digital transformation. His background spans SaaS, e-commerce, SEO, social, marketing operations and creative direction, with a track record that includes large increases in marketing-attributed leads, global brand expansion, and full website and messaging overhauls. Today he provides CMO-level leadership to early-stage B2B SaaS companies.

His breadth suits companies that need go-to-market strategy, demand generation, product marketing, pricing and brand handled by one senior operator rather than several hires. A good fit for early-stage B2B SaaS companies that want experienced marketing leadership across strategy and execution as they scale.

Mallory Mullan is a B2B SaaS marketing leader with more than 12 years in growth and revenue-driven strategy. She helps SaaS and tech companies scale by building data-led marketing engines that support sales, generate demand and accelerate ARR, working with organizations from early-stage startups through to large enterprises.

The focus is on connecting marketing to revenue rather than activity, which suits SaaS companies that want a fractional leader oriented around pipeline and ARR growth. A good fit for B2B SaaS companies that want senior, revenue-focused marketing leadership to build a demand engine that supports sales.

Nicola Moss is a marketing leader with over 20 years helping MSPs and B2B tech companies grow. Trading as The Fractional Marketeer, she offers senior-level leadership across strategy, branding, content, campaigns and analytics for businesses not ready to hire a full-time marketing director, with a focus on generating leads and building brand authority.

Her experience with managed service providers and B2B tech makes her a natural fit for those categories specifically, and her flexible model suits companies that want senior direction without a permanent hire. A good fit for B2B tech and MSP companies that want practical, senior fractional marketing leadership rather than a full-time director.

Oren Greenberg is a fractional CMO with over 20 years helping SaaS, fintech, martech and HR-tech companies grow through data-driven marketing. He partners with startups, scale-ups and larger organizations to build scalable acquisition engines, sharpen messaging, improve conversion and turn marketing spend into sustainable revenue, blending strategic direction with hands-on execution.

The mix of strategy and delivery suits companies that want a leader who can both set the plan and help build the team to run it. His cross-sector experience is useful for SaaS companies adjacent to fintech or HR-tech. A good fit for B2B SaaS, fintech and martech companies that want a fractional CMO to build a measurable acquisition engine.

Sharon Forder is CEO and co-founder of Revop Consultants and a fractional marketing leader with over 25 years across high-growth SaaS companies globally, including Salesforce, NetSuite, Cheetah Digital and Tillo. Her focus is aligning sales, marketing and customer success around the customer, with a RevOps lens that ties marketing to pipeline and operations rather than treating it as a standalone function. Her work spans ABM and ABX, brand messaging and customer experience.

That revenue-operations orientation makes her a fit for SaaS companies that want a fractional leader who thinks across the whole go-to-market motion, not just marketing. A good fit for B2B SaaS companies that want senior fractional leadership to align sales, marketing and customer success around sustainable revenue growth.