One Strategy Group Announces Brian Ellner as President

NEW YORK, November 27, 2023 — One Strategy Group, a next-generation corporate strategy firm that advises C-suite leaders and growth-focused companies, today announced the appointment of Brian Ellner as its new President. The major hire underscores the firm's commitment to reimagining the role of the strategic corporate advisory by bringing on board some of the industry’s most seasoned talent.

Ellner brings to One Strategy Group a wealth of experience in managing the interconnected worlds of business, politics, media, and communications. His previous leadership roles as U.S. Head of Public Affairs for WPP and U.S. Corporate Affairs Lead for BCW, Head of Public Affairs at Edelman in New York, along with his work in advocacy, have positioned him as a recognized champion for driving purposeful corporate initiatives and executing high-stakes public campaigns.

"One Strategy Group is thrilled to welcome Brian Ellner as President," said David Meadvin, CEO of One Strategy Group. "As a challenger firm, we believe there is a better model, one that provides differentiated counsel and execution with seasoned leaders who understand that what worked yesterday in corporate America won’t necessarily keep working tomorrow. We are building the ‘special ops’ team for next-generation leaders and companies, and there’s no one better than Brian to help us move the industry forward.”

In his new role, Ellner will lead and manage major client relationships and spearhead the firm's strategic growth. 

"I am excited to join One Strategy Group to help C-suite leaders, brands, and companies navigate the complexities of the global landscape," said Ellner.  “Leaders are facing unprecedented challenges, including high expectations to play a role in major social issues while maintaining license to operate. All of this is taking place at a time of evolving employee workplace expectations. We are building a team with the talent and experience to help companies and leaders seize the moment amidst all this change.”

Ellner’s background includes influential work in enacting marriage equality in New York and shaping the strategy for the passage of the Respect for Marriage Act, The Equality Act and the ERA, recruiting corporations to support their passage. He has received broad recognition for his industry leadership. He was named as a 2023 Notable Leader in Advertising, Marketing & PR by Crain's New York Business; City & State New York called him one of the top 15 key players in the world of New York politics and government, as well as one of the 50 most powerful New Yorkers in communications. In 2015, Brian was awarded ADCOLOR’S Advocate of the Year.

Ellner joins a leadership team that also includes Executive Vice President Everett Rosenfeld, Executive Vice President Sophie Coblence, Vice President Alexis Roberts, and Senior Strategic Advisor Terri Burns.

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