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Thompson Spencer adds Sam Casey as head of performance

He joins from OMG, where he was group director of media implementation.

By Vihan MathurPublished Feb 25, 2026
2 min read
POLITICO 1

Independent creative and media agency Thompson Spencer has appointed Sam Casey as head of performance.

The appointment comes amid sustained growth for the business, including new client wins such as Musashi’s launch into the Middle East, as well as expansion across its existing portfolio.

Casey's past experiences

Casey joins from OMG, where he was group director of media implementation, leading a performance team across paid media channels.

His experience spans programmatic, paid social and search, with market exposure across New Zealand, Australia and global campaigns.

In addition to channel expertise, Casey brings governance, process and team development experience, with a focus on building high-performing teams.

Continuing growth

Thompson Spencer X Melanie Spencer Melanie Spencer

Melanie Spencer, group CEO of Thompson Spencer, said the hire reflects the agency’s strategy to support growth with senior capability.

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“We’re in a sustained pattern of meaningful growth thanks to new wins and existing client portfolio expansion, and so we’re backing that growth with senior capability,” she said.

“Sam brings performance mastery and the kind of operational rigor that sees teams grow and flourish. He will strengthen our ability to connect insightful creative with smart media and performance to deliver results for our clients.”

Expanding performance expertise

Casey said the agency’s integrated model and growth trajectory were key drivers in his decision to join.

“I’m thrilled to be joining Thompson Spencer at such an exciting point in its growth,” he said.

“The agency has built an impressive integrated model and I’ve been admiring from afar the energy around the work, the people and the leadership team’s ambition. I’m looking forward to getting to know the team and our clients, and of course getting stuck into helping shape the next phase of performance expertise and capability.”

Thompson Spencer operates an integrated structure that brings together strategy, creative, production, media and performance under one roof.

The group has offices in New Zealand and Australia and runs campaigns across 75 countries.

Top Image: Sam Casey

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