Who is Clair Heaviside?

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Clair Heaviside: Building brands with bravery and heart

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Clair Heaviside doesn’t just talk about resilience she lives it. As a voice for women in business and a true advocate for authenticity, she brings both strength and humor into every post. Her feed is an energizing blend of business insights, social impact, and relatable takes that make you stop scrolling and think. With a knack for turning everyday stories into powerful lessons, Clair is shaping a more genuine kind of leadership online.

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1. Who she is

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Clair Heaviside is the Co-Founder and Chief Brand Officer of Serotonin, a creative agency that helps brands find their voice through bold storytelling and strategy. Based in the United Kingdom, she’s known for her sharp marketing instincts and unapologetically human approach to leadership. Over the years, she’s built a reputation as both a business strategist and a resilience advocate, focusing on empowering women in business. Her work bridges creativity and authenticity, helping brands grow while staying true to their values.

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2. A network of heavyweights

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Clair’s professional circle reads like a who’s who of the creative and entrepreneurial world. From agency leaders and CEOs to powerhouse brands like Apple, Salomon, and GAIL’s, her network reflects both credibility and influence. This ecosystem of innovators and changemakers keeps her content rooted in the pulse of modern branding and leadership proof that her insights resonate across industries.

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3. Why people listen

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Clair’s voice stands out because it’s real. She doesn’t sugarcoat business or life, yet her tone is warm and approachable. Whether she’s sharing lessons from agency life, celebrating women in sport, or highlighting the power of resilience, she writes like she’s talking to a friend thoughtful, witty, and grounded. Her audience connects with her because she balances expertise with empathy, showing that success doesn’t have to come at the cost of authenticity.

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4. Authenticity that resonates

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Clair’s Authenticity Score of 94/100 says it all. Her posts mix personal stories with sharp industry insight, creating a space where honesty drives engagement. From behind-the-scenes reflections on work to uplifting stories of women breaking barriers, she keeps things human. No templated content, no over-polished facades — just consistent, credible storytelling that makes followers trust her voice.

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5. Numbers that back it up

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Clair’s audience has grown steadily from 14,461 to 21,883 followers in six months, proving that authenticity scales. With an Influence Score of 5,405 pts, she ranks in the Top 5% of UK LinkedIn creators and within the Top 4% worldwide. Her engagement is equally impressive thoughtful comments, lively debates, and thousands of reactions on posts that blend humor with heart.

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6. Collaborations that matter

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Through Serotonin, Clair works with brands that value creativity with conscience. She’s helped elevate voices in marketing, health, and social impact through campaigns that connect emotionally and perform commercially. Her thought leadership on branding and resilience continues to open doors for partnerships centered on authenticity and purpose.

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7. Why brands should partner with Clair Heaviside

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Partnering with Clair means tapping into a powerful mix of strategy, storytelling, and sincerity.

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• Thought leadership: Co-create content on brand strategy, resilience, and leadership.

• Speaking engagements: Inspire business events or panels focused on women in leadership and authentic marketing.

• Workshops: Lead creative and branding sessions for startups and established teams.

• Campaign collaborations: Develop purpose-driven campaigns that align brand values with audience trust.

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8. What causes she defends

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Clair is a passionate advocate for female empowerment and education for everyone. Her posts regularly highlight women challenging stereotypes from entrepreneurs to athletes and she’s vocal about creating equal opportunities in business and sport. She uses her platform to spotlight resilience stories, celebrate progress, and remind her audience that empowerment starts with everyday action.

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9. Why Clair Heaviside is relevant in 2026

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As the creator economy matures and audiences crave transparency, Clair embodies what the next era of influence looks like genuine, values-driven, and community-focused. Her insights on branding, leadership, and empowerment feel especially timely in a world redefining authenticity. With AI reshaping marketing and new voices emerging daily, Clair’s human-first approach is exactly what keeps her relevant and respected.

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Conclusion: Leading with heart

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Clair Heaviside isn’t just influencing she’s uplifting. Her mix of honesty, humor, and heart has built a digital space where authenticity is celebrated, not staged. Whether she’s empowering women, supporting her peers, or driving creative innovation, her message is clear: stay bold, stay real, and lead with purpose.

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