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Omnicom Appoints Tom Schwenger as CEO of Omnicom Health Marketing

PR Newswire•02/11/2026•09:30 ET
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Key Highlights

  • ➤Omnicom (OMC) appoints Tom Schwenger CEO of Omnicom Health’s marketing business
  • ➤Tom Schwenger joins from Veeva Systems as President and Chief Customer Officer
  • ➤Dana Maiman leaves Omnicom Health after leading the organization
  • ➤Schwenger drove Veeva revenue to triple during his tenure
  • ➤Michael Larson remains Chairman and will oversee Omnicom Health’s specialty health business

Expert Statements

Michael Larson, Chairman of Omnicom Health

“I want to thank Dana for her leadership of Omnicom Health, and before that, IPG Health. Her contributions to our agencies, clients, and our people extend well beyond her critical role in bringing our two companies together”

Michael Larson, Chairman of Omnicom Health

“We are grateful for the strong organization she helped build.”

Michael Larson, Chairman of Omnicom Health

“Building on that foundation, I’m excited to welcome Tom to the leadership team. He brings three decades of experience scaling commercial operations in the healthcare industry, along with a proven ability to drive transformative growth through technology and AI and build high-performing teams. That combination makes him ideally suited to lead our marketing business.”

Tom Schwenger, CEO of Omnicom Health’s marketing business

“I’m excited to join Omnicom Health at such a pivotal moment, leveraging the scale and capabilities of the newly combined organization to help clients navigate the rapid transformation across the pharma, biotech, and healthcare sectors”

Tom Schwenger, CEO of Omnicom Health’s marketing business

“This internal evolution, coupled with powerful market dynamics, creates an extraordinary opportunity to drive innovation and growth. I look forward to working closely with Michael and the talented teams across Omnicom.”

Dana Maiman, Former leader of Omnicom Health

“I’m incredibly proud of the organization we’ve built at Omnicom Health and of the teams who make it such a special place. It has been a privilege to work alongside our agencies, clients, and people through this important chapter. I’m leaving with confidence in the strong leadership team and its ability to build on our momentum and continue delivering for clients.”

Omnicom Appoints Tom Schwenger as CEO of Omnicom Health Marketing PR Newswire

Schwenger to drive accelerated growth, innovation and AI for Omnicom's clients amid rapid healthcare market evolution

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