Brian Wieser

President, Business Intelligence at GroupM

Brian Wieser is the President of Business Intelligence at GroupM. Brian has over two decades of experience in the advertising, ad-supported media and advertising technology industries.

Wieser started their career at Lehman Brothers in 2000 as an Associate in both the New York and London offices. In 2002 they moved to Deutsche Bank as an Associate Analyst. Three years later they joined MAGNA Global - Interpublic as their EVP, Global Director of Forecasting.

In 2011 Wieser became the CMO at Simulmedia, and then in November of that year they joined Pivotal Research Group as a Sr. Research Analyst. Brian remained with the company until February 2019 when they took on their current role at GroupM.

Wieser has been widely recognized for their insights and analysis and has received accolades from Institutional Investor. Brian is a regular contributor to Ad Age, Forbes and The Wall Street Journal.

Brian Wieser has an MBA from Ivey Business School at Western University and a B.Com from The University of British Columbia.

They work with Mark Patterson - COO, Demet İkiler - CEO, EMEA, and Nicola Mccormick - General Counsel. Brian Wieser reports to Christian Juhl, CEO.

Timeline

  • President, Business Intelligence

    Current role

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