Both the article and the book chapter from which it was adapted were highly critical of Martin Seligman, the esteemed University of Pennsylvania psychologist who is a founder of positive ...

Gabriella Rosen Kellerman and Martin E.P. Seligman Kellerman is a physician, the chief product officer, and the chief innovation officer at BetterUp, a coaching platform in San Francisco.

Seligman, on the other hand, said that the findings were simply not up to the standards of his profession. We repeated the intervention for a second semester, with similar findings, and that was that.