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StackAdapt names Marc Langenfeld Account Director in Singapore as APAC growth accelerates

by Sharona Nicole Semilla

-

April 1, 2026

Singapore – StackAdapt has appointed Marc Langenfeld as Account Director in Singapore, as the company expands across the Asia-Pacific region.

Langenfeld joins StackAdapt with more than 15 years of agency experience, having previously held senior roles at Publicis Media, Dentsu, and as head of media at VaynerMedia APAC. 

“Joining StackAdapt is an exciting next step for me. I’ve spent years working with agencies and brands, and moving into this role feels like a natural progression,” said Langenfeld.

He added, “I’m excited to bring my experience to a platform I truly believe in and one that helps clients stay competitive and create more effective marketing campaigns

In Singapore, he will manage sales strategy for a portfolio of clients and drive go-to-market execution, joining a six-member team led by Deirdre Chew, director of sales, Southeast Asia at StackAdapt.

“Marc brings a rare combination of agency experience and a deep understanding of digital advertising technology,” said Deirdre Chew, Director of Sales, Southeast Asia at StackAdapt. 

Chew highlighted, “His appointment strengthens our leadership in Singapore and positions us to better support our clients as they navigate an increasingly complex advertising landscape.”

The appointment forms part of StackAdapt’s broader effort to grow its presence in Singapore and across APAC.

Related Tags Marketing Singapore Appointment Leadership Marc Langenfeld StackAdapt Deirdre Chew
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