Martin Seligman
![Seligman in 2009](https://upload.wikimedia.org/wikipedia/commons/4/44/Flickr_-_The_U.S._Army_-_Comprehensive_Soldiers_Fitness_%281%29cropped.jpg)
Seligman is the Zellerbach Family Professor of Psychology in the University of Pennsylvania's Department of Psychology. He was previously the Director of the Clinical Training Program in the department, and earlier taught at Cornell University. He is the director of the university's Positive Psychology Center. Seligman was elected president of the American Psychological Association for 1998. He is the founding editor-in-chief of ''Prevention and Treatment'' (the APA electronic journal) and is on the board of advisers of ''Parents'' magazine.
Seligman has written about positive psychology topics in books such as ''The Optimistic Child'', ''Child's Play'', ''Learned Optimism'', ''Authentic Happiness'', and ''Flourish''. His most recent book, ''Tomorrowmind'', co-written with Gabriella Rosen Kellerman, was published in 2023. Provided by Wikipedia