
Email marketing is alive, thriving, and more powerful than ever. With over 4 billion daily email users worldwide, this channel offers brands a direct line to their audience—a chance to inform, connect, and inspire action. But as inboxes become more crowded, it takes smart strategies to stand out and drive results.
The world’s top-performing brands know this. They go beyond basic batch and blasts, using personalized content, targeted segmentation, and powerful automation to create campaigns that feel both relevant and engaging. They go beyond simple selling, instead focusing on building relationships that keep customers coming back.
In this article, we’re sharing three standout examples of email marketing done right, featuring John Frieda, Puma, and AO. From driving 4x conversions to boosting opt-in databases by 14%, these blockbuster brands showcase how email can deliver incredible results when strategy meets creativity. Let’s dive in.
Email marketing remains one of the most effective channels for connecting with customers and driving ROI. According to OptinMonster, email marketing delivers an astonishing 3600% ROI—that’s $44 for every $1 spent. It’s no wonder businesses, big and small, rely on email as a cornerstone of their digital strategy.
Beyond its impressive return, email continues to be a preferred communication method for consumers. A MarketingSherpa survey revealed that 77% of people prefer receiving promotional content through email compared to other marketing channels. Why? Because email allows for more thoughtful, relevant, and personalized messaging.
When executed well, email marketing drives not just conversions, but also long-term customer loyalty. By embracing personalization, automation, and data-driven insights, your brand can subscribers into first-time customers, and first-time customers into steadfast brand advocates.
Top-performing brands don’t leave their email strategy to chance. They combine creativity, data, and technology to craft campaigns that resonate. Here are the core practices driving their success:
The best brands use personalized lifecycle marketing to engage customers at every stage—from acquisition to retention. By delivering tailored messages based on behavior, preferences, and past interactions, they ensure every email feels relevant and valuable. This approach builds stronger relationships and increases conversions.
Generic, one-size-fits-all emails are no longer effective. Leading brands leverage advanced segmentation techniques to identify key audience groups and send content that resonates. Pairing segmentation with automation ensures emails are delivered to the right people, with the right message, at the right time.
Successful email campaigns are grounded in data. Top brands actively gather customer insights through surveys, feedback, and behavioral tracking. By understanding their audience’s motivations, challenges, and needs, they refine their messaging to address what truly matters to customers.
The following examples from John Frieda, PUMA, and AO demonstrate how these best practices come to life, driving tangible results.
When John Frieda launched their Ultra Filler Plus haircare line, they turned to email marketing to build awareness and drive conversions. But instead of taking a one-size-fits-all approach, they leveraged personalized lifecycle marketing to connect with their audience at the right moments.
By combining customer insights with personalized messaging, John Frieda proved that targeted email campaigns don’t just boost sales—they strengthen relationships and build trust.
PUMA’s challenge was clear: they needed to connect with a diverse customer base across 27 markets while ensuring each interaction felt personal and relevant. With such a vast audience, segmentation and automation became the key to success.
PUMA’s success highlights the power of combining automation, personalization, and timing to create campaigns that truly resonate at scale.
As a leading online electrical retailer, AO faced a unique challenge: how do you keep customers engaged when purchases are infrequent? The answer? A laser focus on lead generation and automation to maximize every customer interaction.
AO’s approach proves that with the right tools and strategy, even infrequent buyers can become long-term, loyal customers.
These three brands—John Frieda, Puma, and AO—showcase the true potential of email marketing when backed by personalization, segmentation, and automation.
Whether you’re launching a new product, scaling globally, or capturing leads, these strategies prove that smart, customer-centric email marketing delivers measurable success.
Kirk Donlan is a content marketing manager at Emarsys where he uses his marketing, customer success, and copywriting experience to develop engaging, industry-specific content for marketers and marketing leadership.
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Kirk Donlan
Product Marketing Manager