Who’s Behind the Inbox Boom? The Best Fractional Email Marketers to Know

Your inbox isn’t dead. It’s just smarter. Behind every perfectly timed newsletter, welcome series, and cart reminder are fractional email marketers rewriting the playbook on how brands connect.

These aren’t your average “blast and hope” marketers. They’re strategic thinkers who mix storytelling with data to turn simple emails into scalable growth engines. From indie startups to global brands, their secret sauce is flexibility.

So, who’s actually behind this inbox boom? Meet the best fractional email marketers shaping how we click, read, and buy in 2025.

How Email Marketers Turn Clicks Into Conversions

Every email that grabs your attention is part of a bigger plan. Behind it is an email marketer who understands how timing, tone, and visuals can inspire action.

Their work goes far beyond writing catchy subject lines. Email marketers design full customer journeys, from the first welcome message to the follow-up that closes the sale. They segment audiences, build automation workflows, test every element, and analyze data to make every campaign stronger.

It’s a balance of creativity and analytics. The creative side crafts stories that feel personal and relatable. The analytical side studies open rates, click-throughs, and conversions to find what truly resonates. The goal is always to make each message relevant enough to earn attention and drive results.

The best email marketers do more than send campaigns. They build trust, shape brand experiences, and turn subscribers into loyal customers.

Why Fractional Email Marketers Are on the Rise

Marketing teams today move fast. They need specialists who can jump in, understand the brand, and deliver results without a long hiring process. That’s where fractional email marketers come in.

Here’s why they’re in demand:

• Flexible and cost-effective. Brands get top-tier strategy and execution without committing to a full-time salary.
• Fast onboarding. Fractional experts adapt quickly to tools, workflows, and audiences so campaigns stay on schedule.
• Proven experience. Most come from agency or corporate backgrounds and know how to scale campaigns that convert.
• Results-first mindset. They focus on measurable goals like engagement, retention, and revenue growth.
• Specialized skills. From automation to analytics, they bring niche expertise that in-house teams often lack.

Fractional email marketers make it easy for companies to stay agile, competitive, and data-driven without overextending budgets. This shift toward flexible leadership is part of a broader movement across industries, as seen in 2025’s Best Fractional Executives Who Are Reshaping Business Leadership.

What to Look for in the Best Fractional Email Marketers

Hiring a fractional expert is more than checking a résumé. The best ones understand your audience, your goals, and your brand’s unique voice. Here’s what sets top-tier professionals apart:

Strategic Thinking

Great email marketers see the big picture. They know how every campaign supports your larger marketing goals and how to align messaging with customer behavior.

Technical Fluency

They’re skilled with platforms like Klaviyo, HubSpot, and ActiveCampaign, and they understand CRM integration, automation flows, and list segmentation.

Strong Communication

Top fractional marketers collaborate seamlessly with designers, copywriters, and product teams to ensure every campaign looks, sounds, and feels cohesive.

Analytical Mindset

They track performance metrics, test new ideas, and use data insights to refine each send for better engagement and conversions.

Proven Results

The best fractional email marketers can show clear growth metrics from previous clients and demonstrate how their strategies delivered measurable impact.

Working with the right fractional partner is more than getting good emails. It’s about building a system that connects, converts, and keeps your audience engaged. For brands exploring flexible leadership across marketing, operations, or strategy, it helps to look at how other top providers are reshaping the model. Check out 2025’s Best Fractional CEOs Leading the Charge for a closer look at how experienced leaders are driving scalable growth through fractional expertise.

Leading Fractional Email Marketers Helping Brands Grow in 2025

Behind the most effective email campaigns are fractional experts who know how to balance strategy, automation, and storytelling. Some lead small, specialized agencies. Others work independently with a portfolio of growing brands. All share one goal: helping businesses connect, convert, and keep customers coming back.

1. Flowium

Flowium is a dedicated email marketing agency built for eCommerce brands that want to scale retention without hiring full-time staff. Their fractional approach combines automation, data, and storytelling to help clients increase lifetime value and customer engagement.

Why Businesses Trust Them:

• Specialized in lifecycle marketing, automation flows, and campaign strategy
• Certified experts in Klaviyo, Shopify, and advanced segmentation tools
• Proven record of helping brands grow retention revenue through personalized campaigns

Client Industries: ECommerce, fashion, beauty, wellness, and DTC retail

Clients They Worked With: Flowium has crafted email strategies for top brands including Maison Kitsuné Paris, BetterBrand, Swoon, and Balsam Hill, helping them build stronger customer relationships and higher-performing campaigns.

2. Jess Chan – Backbone

Jess Chan is the founder and CEO of Backbone, a retention-focused email and SMS marketing agency built for modern eCommerce brands. With a background as a fractional CMO, Jess leads a team that blends creative strategy with data-driven automation to help brands scale sustainably.

Why Businesses Trust Her:

• Combines brand storytelling with analytics to improve customer lifetime value
• Offers fractional CMO and retention strategy services for growing eCommerce teams
• Proven track record in scaling six- and seven-figure brands through personalized email and SMS systems

Client Industries: ECommerce, lifestyle, health and wellness, and consumer goods

Clients She Worked With: Backbone has developed high-performing retention systems for Dr. Squatch, Groove Life, Lights Lacquer, and Freebird, helping them boost engagement and customer lifetime value through optimized automation and creative messaging.

3. Chronos Agency

Chronos Agency is a lifecycle marketing firm that helps eCommerce and DTC brands scale retention through data-driven email and SMS strategies. Their fractional model gives businesses access to a full team of specialists in copywriting, design, and automation, all focused on driving measurable growth.

Why Businesses Trust Them:

• Expertise in audience segmentation, automation, and performance tracking
• Dedicated team structure that supports brands without the cost of a full-time department
• Focus on retention and lifetime value through consistent, data-backed optimization

Client Industries: ECommerce, subscription-based retail, fitness, and wellness

Clients They Worked With: Chronos Agency has delivered impactful campaigns for Australian Furniture Warehouse, The Oodie, Chargeasap, and Pupnaps, helping them strengthen customer loyalty and increase repeat purchases through optimized automation and lifecycle marketing.

4. Samar Owais – Emails Done Right

Samar Owais is an independent email strategist and copywriter known for creating high-converting email systems that build trust and long-term engagement. She works with SaaS and eCommerce brands to craft onboarding, retention, and reactivation flows that drive real revenue growth.

Why Businesses Trust Her:

• Deep expertise in customer journey mapping and conversion-focused email strategy
• Blends storytelling with data insights to create impactful customer experiences
• Known for improving open rates, engagement, and lifetime value across multiple industries

Client Industries:
SaaS, eCommerce, tech, and education

Clients She Worked With: Samar has worked with global brands including HubSpot, Drip, Really Good Emails, and Copyhackers, helping them strengthen retention and customer relationships through data-driven messaging.

5. Hustler Marketing

Hustler Marketing is a global email marketing agency that offers fractional support for eCommerce brands looking to grow retention and lifetime value. Their team combines creative strategy, automation, and data-driven personalization to help businesses scale sustainably through high-performing campaigns.

Why Businesses Trust Them:

• Specialists in Klaviyo and Shopify ecosystem integration
• Proven success in building automated flows that drive consistent revenue
• Offers flexible team models, from one-off projects to ongoing fractional partnerships

Client Industries: ECommerce, fashion, beauty, wellness, and lifestyle

Clients They Worked With: Hustler Marketing has executed campaigns for brands including Vessi, BlendJet, DOSE, and Noli Yoga, helping them boost engagement and sales through optimized lifecycle automation and retention marketing.

6. Val Geisler

Val Geisler is a recognized email strategist who helps SaaS and subscription brands build customer relationships that last. Known for her expertise in onboarding and retention sequences, she blends strategy, psychology, and data to create email systems that turn trial users into long-term customers.

Why Businesses Trust Her:

• Specialized in lifecycle marketing and customer retention for SaaS and digital products
• Skilled at transforming complex customer journeys into simple, effective email flows
• Known for her clarity, empathy-driven approach, and measurable results

Client Industries: SaaS, subscription services, and digital education

Clients She Worked With: Val has created successful lifecycle strategies for Podia, Teachable, ConvertKit, and Churn Buster, helping them improve user engagement and reduce churn through targeted onboarding and retention campaigns.

7. SmartMail

SmartMail is a performance-driven email marketing agency that helps eCommerce brands grow through personalized automation and lifecycle campaigns. Their fractional-style services give businesses access to experienced strategists, designers, and copywriters without the cost of building an in-house team.

Why Businesses Trust Them:

• Proven expertise in Klaviyo and Shopify email ecosystems
• Specializes in abandoned cart, win-back, and post-purchase automation
• Data-backed approach that focuses on ROI, not just open rates

Client Industries: ECommerce, retail, fashion, and beauty

Clients They Worked With: SmartMail has delivered high-performing campaigns for The North Face, Wrangler, Cotton On, and Puma, helping these brands increase engagement and repeat purchases through targeted lifecycle marketing.

8. Chase Dimond

Chase Dimond is one of the leading independent email marketing strategists in the DTC space. He has helped hundreds of brands grow their revenue through email, focusing on retention, deliverability, and customer engagement. His fractional-style work combines hands-on strategy with education, empowering teams to improve their performance long-term.

Why Businesses Trust Him:

• Experience managing campaigns for more than 300 DTC brands
• Known for driving millions in email-attributed revenue through segmentation and automation
• Offers fractional strategy, consulting, and training for marketing teams

Client Industries: ECommerce, health and wellness, fashion, and beauty

Clients He Worked With: Chase has led campaigns for brands including The Chive, Original Grain, Poo~Pourri, and TruEarth, helping them scale retention and build stronger relationships with their audiences.

When to Hire a Fractional Email Marketer

Hiring a fractional email marketer makes sense when your team needs strategy, structure, and measurable results but you are not ready for a full-time CMO. These professionals bring executive level marketing leadership and high level marketing expertise on a contract basis, helping brands strengthen their marketing efforts and drive growth.

You should consider hiring a fractional email marketer if:

• Your performance is plateauing. Open rates, conversions, or key metrics are no longer improving and you need a refreshed growth strategy.
• You lack senior guidance. Your internal team can execute campaigns but needs strategic direction in areas like performance marketing, social media, and paid media.
• You are scaling fast. ECommerce and high growth companies often benefit from fractional CMO services that offer agility without long term contracts.
• You want campaigns optimized. A fractional expert can refine conversion funnels, targeted campaigns, and lead generation to match your business goals.
• You need unbiased insights. They provide objective analysis of ad spend, brand positioning, and go to market strategy to ensure every move supports sustainable growth.

Fractional marketing leaders, like the experienced CMOs that give brands access to top talent and proven expertise without long term commitments. The best time to bring one on board is when your marketing goals outpace your internal resources and you need leadership that can turn potential into performance.

Ready to Grow: Finding Your Ideal Fractional Email Partner

The right fractional email marketer can do more than manage campaigns. They bring strategic marketing leadership and data-driven strategies that align with your business objectives and accelerate growth.

Choosing the right partner starts with clarity. Look for someone who can blend creativity with analytics, develop a comprehensive marketing strategy, and deliver impactful marketing strategies at a fraction of the cost of a full-time executive. The best professionals offer flexible engagements, act as part of your executive team, and provide strategic guidance that drives sustainable growth.

For high-growth companies and scale-ups competing in today’s digital marketing landscape, hiring a fractional chief marketing officer or partnering with seasoned email marketing experts can be a game changer. With the right leadership and vision, every campaign can move your brand closer to profitable growth and long-term success.

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