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Mark O'Brien

CEO at Omnicom Brand Consulting Group

Mark O'Brien is a seasoned Senior Global Financial and Operations Executive with a strong background in the financial industry.

He obtained his BS in Accountancy from the University of Mississippi.

Mark has held various executive positions in prestigious organizations such as Omnicom and Interbrand.

At Omnicom, he served as the CEO and COO of Omnicom Brand Consulting Group, as well as EVP Operations and Finance.

During his time at DDB Worldwide, Mark held several key roles including President and CEO of North America, Chief Operating Officer of North America, and Chief Financial Officer for North America and Asia Pacific.

His experience also includes positions as Director of Global Finance, CFO of Griffin Bacal, and CFO of The Focus Agency at DDB Worldwide.

Prior to his roles at DDB Worldwide, Mark O'Brien worked as a Senior Manager at Arthur Andersen & Co.

Mark O'Brien's expertise lies in financial management, operations, and executive leadership within the marketing and advertising industry.

Mark O'Brien
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Location

United States