Our Management Team


Claes Fornell

Founder and Chairman

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As founder and chairman of CFI Group, Dr. Fornell is the world’s leading authority on customer satisfaction, its measurement and analysis, and regularly appears in broadcast and print media. He is responsible for the development and design of the American Customer Satisfaction Index (ACSI), a monthly economic indicator of the quality of economic output.

Dr. Fornell is the author of several books and hundreds of articles examining customer satisfaction and consumer behavior. According to the International Journal of Research in Marketing, he is the author of 3 of the 20 most influential papers in marketing science published in leading academic marketing journals (and 5 of the top 50) over a 20-year period. Dr. Fornell’s seminal book, The Satisfied Customer, is a must-read blueprint for understanding the value of customer satisfaction in modern business practice. In addition to CFI Group and ACSI, Dr. Fornell has founded several companies, including ForeSee Results and Exponential ETFs.


Sheri Petras

CEO and Partner

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As the CEO of CFI Group, Sheri manages offices across four continents from our world headquarters in Ann Arbor, Michigan.

Sheri joined CFI Group in 2000, where she integrated customer satisfaction metrics into client organizations at strategic and tactical levels. She soon became the director of U.S. Government and financial client projects. In 2006, CFI Group appointed Sheri to be a Partner. In 2008, she was chosen by the international board of directors to be the new CEO and worldwide managing partner. Prior to joining CFI Group, Sheri worked for Quaker Oats, Kraft Foods and Kolcraft Enterprises.


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