Allison Worldwide: Stagwell Agency, CEO Wendy Lund

Allison Worldwide, formerly Allison+Partners, is a Stagwell-owned global integrated marketing and communications agency founded in San Francisco in 2001. Wendy Lund has been global CEO since January 12, 2026, and Ray Day is executive chair. Stagwell's December 2024 release cited a network of 52 offices, and Campaign reported global revenue of $89 million after a 6 percent decline.

Originally published 2018. Updated October 18, 2026.

What is Allison Worldwide?

Allison Worldwide, formerly Allison+Partners, is a global integrated marketing and communications agency founded in San Francisco in 2001 and owned by Stagwell. It rebranded in 2023 to signal its shift from an earned media specialist to an integrated agency, according to Stagwell's December 2024 release. Stagwell described agency partners as leveraging its technology, data analytics, insights and strategic consulting for more than 1,700 clients worldwide.

What is Allison Worldwide's history and timeline?

Who leads Allison Worldwide?

Allison's own announcement says Wendy Lund has led global operations since January 12, 2026, and also serves as Stagwell's Vice Chair of Health. She spent more than 10 years as CEO of GCI Health, then was chief communications officer at Organon and held a corporate role at WPP, and she reports to executive chair Ray Day and, for the healthcare role, to Mark Penn. She succeeded Jonathan Heit, a 2001 founding team member who Campaign said became global CEO effective January 4, 2024 and who was still CEO in December 2024. Campaign said CFO Julia Farrell took the added role of global COO when Heit moved up.

What happened to the co-founders?

Stagwell announced in December 2024 that chairman Scott Allison and vice chair Andy Hardie-Brown were stepping down to advisory roles and that Day, who joined Stagwell in 2020, was assuming the executive chairman role. Campaign reported that in January 2024 Allison had moved from global chairman and CEO to chairman, assisting with select new business, media training and mergers and acquisitions in Europe, while Hardie-Brown became vice chairman focused on strategic growth and Asia-Pacific business. Hardie-Brown said an international expansion began in 2013.

What does Allison Worldwide do?

Allison Worldwide runs consumer brands, corporate and public affairs, health and technology practices, plus a marketing innovation team. Campaign's January 2024 report on its global board lists a global CEO of marketing innovation, a president of the global consumer group and North American leadership. A June 2026 profile says an AI Center of Excellence was announced that month. EPR's healthcare PR and technology PR pages cover its categories, and the best healthcare PR agencies and top technology PR agencies rankings compare it with peers.

How big is Allison Worldwide?

How does Allison Worldwide compare with other Stagwell and large PR firms?

Compare it with its Stagwell sister firm HUNTER and with Edelman, Ruder Finn and APCO Worldwide.

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