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Christa Muller joins Cymbal to lead social and influencer services

Sarah Hall: 'Christa’s appointment brings senior oversight to the organic and influencer space, allowing us to continue scaling with purpose.'

By Alisha BuayaPublished Jul 15, 2025
2 min read
Cymbal Christa Muller

Brisbane digital marketing agency Cymbal has appointed Christa Muller to lead its organic social media and influencer marketing services as Senior Account Manager.

She brings more than eight years of experience in digital marketing and brand strategy, most recently spending three and a half years at agency, With Christie Serhan.

Muller has worked on multi-platform campaigns across fashion, lifestyle, and property sectors.

At Cymbal, Muller will oversee content, influencer, and social media accounts in fashion, retail, beauty, and lifestyle, including clients Chevron Renaissance, IDA+S Collection, and new account Alcove Southport.

Cymbal has grown from a solo operation at its founding in September 2023 to a four-person team in under two years, driven by client retention and demand for strategic social media marketing.

Cymbal - Sarah Hall and Christa Muller Sarah Hall: 'Her (Muller) leadership across key client accounts means we can keep growing across both paid and organic marketing in a sustainable, strategic way.' Pictured: Sarah Hall and Christa Muller

Sarah Hall, Cymbal Founder and Director, said: “This next chapter for Cymbal is all about doubling down on what we do best - strategic, creative, and results-driven social media.

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“As our clients increasingly engage us across multiple services, Christa’s appointment brings senior oversight to the organic and influencer space, allowing us to continue scaling with purpose.

“Her leadership across key client accounts means we can keep growing across both paid and organic marketing in a sustainable, strategic way.”

The agency’s services include paid and organic social media, influencer marketing, content creation, and email marketing.

Hall added: “When it comes to organic and paid marketing, creative has become one of the most powerful, if not the most powerful, drivers of success,” said Sarah Hall.

“With the rise of AI and changing platform algorithms, what matters most is the ability to create high-impact, platform-native content that’s guided by performance insights and actioned through creativity.

“Where traditional performance agencies stop at the data, we use it to inform and shape standout creative that actually moves the needle. Cymbal has become known for optimising in real time, without losing the creative spark."

Top image: Christa Muller

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