Tod Johnson is the co-founder and managing director of Duo Partners Consulting, LLC, a New York-based investment and consulting firm.

He was previously executive chairman of NPD and led the company from 1971 until the NPD/IRI merger. Considered an innovator in his field for more than 50 years, Johnson has led many industry initiatives with POS data, consumer data, and online data collection, and is the lead patentee on the methods patent for in-home scanning. His research expertise is in the areas of brand loyalty and brand equity. He was elected to the Market Research Council Hall of Fame in 2011.

Johnson has been a chairman, vice chairman, secretary, and director of the Advertising Research Foundation and was a founding chairman and director of the Council for Marketing and Opinion Research. He also serves as a vice chair of the Carnegie Mellon University Board of Trustees, chair of the Executive Committee of the Metropolitan Opera, a board member of the Lincoln Center for the Performing Arts, and chair of the board of CivicScience, a Pittsburgh-based new survey technology firm. He was CEO and founder of Media Metrix from 1995 to 2001 and is a past member of the JPMorgan Chase Regional Advisory Board.