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Reading: Think HQ Appoints Clemenger BBDO’s Charmaine Griffith To Head Up Growth
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B&T > Agencies > Appointments > Think HQ Appoints Clemenger BBDO’s Charmaine Griffith To Head Up Growth
AgenciesAppointments

Think HQ Appoints Clemenger BBDO’s Charmaine Griffith To Head Up Growth

Staff Writers
Published on: 17th November 2025 at 9:13 AM
Edited by Staff Writers
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Charmaine Griffith.
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Independent agency Think HQ has appointed Charmaine Griffith as head of growth in a newly created role designed to accelerate the agency’s NSW expansion.

Charmaine joins Think HQ from Clemenger BBDO, where she has spent over two and a half years as growth director. Prior to that, she held growth leadership roles at VML, including growth director for Australia and New Zealand. She brings a wealth of integrated agency knowledge to the position, with prior experience at PwC’s CMO Advisory, OMD, and Initiative.

In her new role, Charmaine will drive Think HQ’s Sydney growth strategy, strengthening the 100 strong Melbourne-headquartered agency’s presence in NSW and beyond.

This follows recent pitch wins with Cancer Council Australia, Stride Mental Health and Raising Children Network.

She will join Sarah Wood on the Sydney leadership team, driving coordinated growth across Think HQ’s integrated approach to strategy, creative, PR, tech and diverse audience engagement.

“Charmaine’s appointment reflects the strength of our ambition in NSW, and nationally,” said Think HQ founder and managing director, Jen Sharpe.

From the first conversation, it was clear she truly understands our unique strengths in the market, and brings a proven ability to lead growth in complex, integrated environments. I’m looking forward to working together to bring Think HQ’s positive change approach to more clients and communities across Australia.”

“Charmaine’s one of those people who instantly lifts a room. She’s smart, curious and genuinely invested in helping clients and teams grow. I’m so excited to have her on board at Think HQ Sydney as we build on our growth trajectory and keep driving positive change,” added Think HQ Sydney director, Sarah Wood.

“Think HQ has built something rare—an agency that solves complex problems for major clients, while staying true to their values. That’s good growth, and exactly what I want to scale in NSW and nationally,” commented Griffith on her appointment.

She has already commenced her role at Think HQ’s Sydney office.

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Oliver Cerovic
By Oliver Cerovic
Oliver is a journalist at B&T, joining in April 2025 after completing a Bachelor of Communications, majoring in Journalism at UTS. He covers media agencies and owners, and has a strong interest in sports marketing. Oliver has a background in sport, previously writing for Fox League and the Manly Warringah Sea Eagles. He famously hit a last-ball six in the 2026 Big Clash to deliver his Indies side to a 19 point loss.

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