Brian Wieser is Global President, Business Intelligence for GroupM, WPP’s media investment Group. He is leading GroupM’s thought leadership practice to ensure that WPP’s clients receive actionable marketplace intelligence on markets, audiences, partners, platforms, and supply and demand dynamics.
Wieser has been called “Madison Avenue’s de facto Chief Economist.” In his prior role as Senior Analyst at Pivotal Research Group, he led the firm’s deep coverage of agencies, video and other digital content platforms, advertising and marketing technology, measurement companies and more. One of the most quoted executives in the industry, he is sought after for the deep understanding he developed as a securities analyst and in earlier roles as an advertising and investment banking executive. Previously, Wieser was EVP, Global Director of Forecasting for Interpublic’s Magna Global, CMO for venture-funded Simulmedia, investment banker at Lehman Brothers, and research analyst at Deutsche Bank. He is a Chartered Financial Analyst (CFA) charter-holder and during his tenure with Pivotal, received accolades from Institutional Investor.