NEW YORK, April 8, 2025 /PRNewswire/ -- Assembly, a leading global media agency, today announced the appointment of Ilana Casser as Executive Vice President of Growth for North America. Based in New York, Casser reports to Global Chief Strategy Officer, Pele Cortizo-Burgess.

In her new role, Casser will lead business development efforts across the region, focusing on accelerating Assembly's growth through the expansion of its client portfolio – playing a critical role in shaping the agency's go-to-market strategy and driving long-term momentum across North America.

"I'm so excited to welcome Ilana to Assembly," said Jill Kelly, CEO, North America. "She brings the kind of clarity, energy, and commercial instinct that helps businesses break through. Fueling growth is a key part of our agency proposition—and Ilana will be a powerful force in helping us do just that for our clients and for our agency."

Casser brings over two decades of experience in marketing and media, with senior leadership roles at agencies including OMG, Initiative, and 360i. Known for her ability to blend data, creativity, and strategy, she has led business development and growth initiatives across a broad range of industries, earning a reputation as a trusted partner to both clients, teams and intermediaries.

"Assembly's bold, proposition to find the change that fuels growth for clients resonates with me," said Casser. "The agency is doubling down on brand performance and building experiences that enable this across the board – from media to activation, digital shelf to content. I'm excited to join at such a dynamic time and to help shape the future of growth and its contribution to Assembly alongside Pele, Jill, and the incredible team already in place."

Jessie Mamey, who previously led growth in North America, has transitioned into the role of EVP, Assembly Lead, focused on a portfolio of high-potential, performance-driven clients. Her transition reflects the agency's evolved operational structure—purposefully designed to drive greater focus, agility, and opportunity through sector-and geography-based Assemblies.

Casser's role is effective immediately.

ABOUT ASSEMBLY

Assembly is a leading global omnichannel media agency that merges data, talent, and technology to catalyze growth for the world's most esteemed brands. Our holistic approach weaves together compelling brand narratives with a comprehensive suite of global media capabilities, driving performance and fostering significant business expansion. Our initiatives are powered by STAGE, our proprietary operating system, and executed by a dedicated global team of over 2,300 professionals across 35 offices worldwide. Committed to purposeful action, Assembly leads the way in social and environmental impact within the agency realm. As a proud member of Stagwell (NASDAQ:STGW), the challenger network designed to revolutionize marketing, Assembly continues to set new standards of excellence. For more information, please visit assemblyglobal.com.

PR Contact

Mariana Delacqua

mariana.delacqua@assemblyglobal.com

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SOURCE Assembly

ILANA CASSER JOINS ASSEMBLY AS EVP, GROWTH NORTH AMERICA