People: Integral Ad Science expands in Southeast Asia, adds two senior hires

SINGAPORE — Integral Ad Science (Nasdaq: IAS), a global leader in digital media quality, today announced two new appointments in Southeast Asia (SEA): Lindsay Williams as Country Manager; and Peter Angelis as Director, Agency Partnerships. In their new roles, Lindsay and Peter will actively work with brands, agencies, publishers, and technology partners to increase digital media quality and programmatic growth across SEA. Based in Singapore, both Lindsay and Peter report to Laura Quigley, SVP APAC.

As Country Manager, SEA, Lindsay will focus on developing sales strategies to best support clients, while building new partnerships with brands, agencies, publishers, and platforms to help them go beyond verification and make every ad impression count. With over a decade of publisher sales experience across Australia, Hong Kong, and Singapore, Lindsay brings strong expertise in business development, sales strategy, and scaling local market programs. She was previously Sales Director at Forbes Media where she worked with leading brands and agencies on digital advertising and content strategies across the region, and most recently Regional Commercial Director at Time Out Asia. Lindsay has also held sales roles within leading publishers in Australia.

In his new role, Peter will lead the agency partnerships team in the region, developing localised programs, measurement projects, and training. He will work closely with the key agency stakeholders on programmatic best practices, technology partnerships, and additional projects. Peter’s experience leading programmatic planning and optimisation, managing digital operations, and working with agencies across Australia, New York, and Singapore, will be vital in his new role. Previously, he was Head of Platforms and Capabilities at OMG Singapore. Before that, he was Director, Programmatic Planning and Optimisation at OMD, New York. Peter started his career as a Screen Trader in Australia.



“With our continued investment and growth plans in Southeast Asia, we are rapidly expanding our team across multiple functions in Singapore. I am thrilled to have Lindsay and Peter provide operational leadership in the region,” said Laura Quigley, SVP APAC, IAS. “Both have strong track records of building strategic partnerships across these markets and growing business within the ad tech space. I am very confident Lindsay and Peter will successfully guide the teams and help clients improve their digital spending outcomes.”


“With the growth of digital advertising comes a greater need for media quality measurement, which makes joining IAS at this critical moment an exciting opportunity,” said Lindsay Williams, Country Manager, SEA, IAS. “Southeast Asia’s digital media market is evolving quickly, and I look forward to working with marketers and publishers to tap into IAS’ solutions that can help drive efficiency and return on their investments in new ways.”


“I am excited by the continued growth in programmatic advertising in multiple markets across Southeast Asia and look forward to building deeper relationships with our agency partners,” said Peter Angelis, Director, Agency Partnerships, IAS. “Understanding our agency partners’ needs in SEA will ensure we continue to curate solutions and forge important integrations that make IAS the digital media quality partner of choice”.


The Asia Pacific advertising market is forecast to grow 12.8% to reach US$203 billion this year, fueled by a 19% rise in digital advertising sales. Markets in SEA will also see growth, the Philippines (+16%), Malaysia (+15%), Singapore (+7%), and Vietnam (+8%). According to MAGNA’s 2020 programmatic intelligence report, Asia Pacific has become the second-largest programmatic region in the world, accounting for US$13 billion, or 30% of global ad spend.

About Integral Ad Science
Integral Ad Science (IAS) is a global leader in digital media quality. IAS makes every impression count, ensuring that ads are viewable by real people in safe and suitable environments, activating contextual targeting, and driving supply path optimization. Our mission is to be the global benchmark for trust and transparency in digital media quality for the world’s leading brands, publishers, and platforms. We do this through data-driven technologies with actionable real-time signals and insight. Founded in 2009 and headquartered in New York, IAS works with thousands of top advertisers and premium publishers worldwide. For more information, visit

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