Leonard A. Jason

Leonard A. Jason (born 1949) is a professor of psychology at DePaul University in Chicago, Illinois, where he also directs the Center for Community Research.
His chief professional interests include the study of chronic fatigue syndrome (CFS), myalgic encephalomyelitis (ME), violence prevention, smoking cessation, and Oxford House recovery homes for substance abuse. Jason's interest in chronic fatigue syndrome began when he was diagnosed with the condition in 1990 after having mononucleosis.

Leonard A. Jason is the son of Jay Jason, a well known comedian who entertained in the Catskills Mountains. Jason received a B.A. in psychology from Brandeis University in Waltham, Massachusetts in 1971 and a Ph.D. in psychology from the University of Rochester in Rochester, New York in 1975.

Jason is a former president of the Division of Community Psychology of the American Psychological Association (APA) and a past editor of The Community Psychologist. Jason has edited or written 27 books, and he has published over 700 articles and 90 book chapters on CFS, ME, recovery homes, the prevention of alcohol, tobacco, and other drug abuse, media interventions and program evaluation. He has served on 91 Thesis Committees (of which he chaired 62), and 95 Dissertation Committees (of which he chaired 50). He has served on the editorial boards of ten psychological journals. Jason has served on review committees of the National Institutes of Health, and he has received over $36,000,000 in federal research grants. He was also a board member and vice-president for a scientific professional organization called the International Association of CFS/ME.

He was a member the Chronic Fatigue Syndrome Advisory Committee. In 1999, Jason published an epidemiological study of chronic fatigue syndrome among United States adults. Jason helped organize two major American Psychological Association sponsored conferences on research methods for community psychologyand co-edited a book on this topic.

Jason has served on the editorial boards of journals including:

• Prevention in Human Services, 1986-1995; renamed Journal of Prevention and Intervention in the Community, 1996–present.
• Journal of Community Psychology, 1983-1986, 2007–present.
• The Journal of Primary Prevention, 1983-1986. Appointed Associate Editor, 1986-2007.
• Special Services in the Schools; renamed Journal of Applied School Psychology 1984-2008.
• Journal of Health Psychology, 2008–present.
• Fatigue: Biomedicine, Health & Behavior, 2013–present.

• "The Community Psychologist (1986)" (PDF). Retrieved 11 November 2016. 
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• "IACFS/ME". IACFS/ME Newsletter. Retrieved 25 November 2016. 
• "Chronic Fatigue Syndrome Advisory Committee". Retrieved 25 November 2016. 
• Jason, LA; et al. (1999). "A community-based study of chronic fatigue syndrome". Arch Intern Med. 159 (18): 2129–37. doi:10.1001/archinte.159.18.2129. PMID 10527290. Retrieved 12 January 2009. 
• Tolan, P., Keys, C., Chertok, F., & Jason, L. (Eds.). (1990). Researching community psychology: Issues of theories and methods. Washington, DC: American Psychological Association.http://www.apa.org/pubs/books/4318031.aspx http://psycnet.apa.org/psycinfo/1990-98742-000/
• Jason, L.A., Keys, C.B., Suarez-Balcazar, Y., Taylor, R.R., Davis, M., Durlak, J., Isenberg, D. (2004). (Eds.). Participatory community research: Theories and methods in action. Washington, D.C.: American Psychological Association.http://www.apa.org/pubs/books/4318003.aspx
• Jason, L.A., & Glenwick, D.S. (Eds.) (2012). Methodological Approaches to Community-Based Research. Washington, DC: American Psychological Association.http://www.apa.org/pubs/books/4316136.aspx
• Journal of Prevention and Intervention in the Community. Archived from the original on 12 May 2008. Retrieved 12 January 2009. 
• "Journal of Community Psychology". Journals. Wiley InterScience. Retrieved 2 September 2009. 
• "Journal of Applied School Psychology". Retrieved 12 January 2009. 
• "Journal of Health Psychology". hpq.sagepub.com. Retrieved 2016-09-08. 
• "Fatigue: Biomedicine, Health & Behavior: Vol 4, No 3". www.tandfonline.com. Retrieved 2016-09-08. 

Jason received in 1997 the Distinguished Contributions to Theory and Research Award and in 2007, he received the Special Contribution to Public Policy Award from the Society for Community Research and Action. He was presented the 1997 CFIDS Support Network ACTION Champion Award by the Chronic Fatigue Immune Dysfunction Syndrome Association of America. In 2013, he was presented with the DePaul University’s College of Science and Health’s Excellence in Research Award. In 2015, he was presented the American Psychological Association’s award for Distinguished Professional Contributions to Applied Research. He received the Dutch ME Foundation International ME Award in 2003.