Thomas L. Saaty develops the Analytic Hierarchy Process while working at Wharton Business School. His interest in the study of complex decision problems came from earlier work on conflict resolution and disarmament for the U.S. State Department.
1971-1975The first paper describing the AHP is published:
An eigenvalue allocation model for prioritization and planning
Thomas L. Saaty
January 1972ISAHP1988 conference held at Tianjin, China.
September 6-9, 1988The most cited paper on the Analytic Hierarchy Processs published in Mathematical Models for Decision Support:
What is the Analytic Hierarchy Process?
Thomas L. Saaty
1988ISAHP1991 conference held at Pittsburgh, Pennsylvania, USA.
August 11-14, 1991ISAHP1994 conference held at Washington, D.C., USA.
August 12-14, 1994ISAHP1996 conference held at Burnaby, British Columbia, Canada.
July 12-15, 1996ISAHP1999 conference held at Kobe, Japan.
July 12-14, 1999The International Society on Multiple Criteria Decision Making awards the MCDM Gold Medal to Thomas L. Saaty:
“...for the development of the Analytic Hierarchy Process (AHP) and the impact of his lifelong research contributions on several disciplines.”2000
ISAHP2001 conference held at Berne, Switzerland.
August 2-4, 2001ISAHP2003 conference held at Bali, Indonesia.
August 7-9, 2003ISAHP2005 conference held at Honolulu, Hawaii, USA.
July 8-10, 2005Thomas L. Saaty is awarded the 2007 Akao Prize by the Quality Function Deployment Institute.
2007ISAHP2007 conference held at Valparaiso, Chile.
August 2-6, 2007The Institute for Operations Research and the Management Sciences (INFORMS) awards its Impact Prize to Thomas L.Saaty, stating that:
“The AHP has revolutionized how we resolve complex decision problems... the AHP has been applied worldwide to help decision makers in every conceivable decision context across both the public and private sectors, with literally thousands of reported applications.”October 2008
ISAHP2009 conference held at Pittsburgh, Pennsylvania, USA.
July 29 - August 1, 2009ISAHP2011 conference held at Sorrento, Italy.
June 15-18, 2011A review of developments of the AHP since its inception is published in Expert Systems with Applications:
Review of the main developments in the analytic hierarchy process
Alessio Ishizaka, Ashraf Labib
October 2011A paper describing the fundamental concepts underlying the AHP is published:
The Seven Pillars of the Analytic Hierarchy Process
Thomas L. Saaty, Luis G. Vargas
2012ISAHP2013 conference held at Kuala Lumpur, Malaysia.
Theme: Better world through better decision making
June 23-26, 2013A paper describing the author's practical experience applying the AHP in corporate environments is published. A link to the author's AHP spreadsheet is provided:
Implementing the analytic hierarchy process as a standard method for multi-criteria decision making in corporate enterprises–a new AHP Excel template with multiple inputs
Klaus D. Goepel
2013ISAHP2014 conference held at Washington, D.C., USA.
Theme: Beyond Decision Making
June 29 - July 2, 2014ISAHP2016 conference held at London, UK.
August 4-7, 2016ISAHP2018 conference held at Hong Kong, HK.
Theme: AHP/ANP in Technology, Entrepreneurship and Corporate Social Responsibility
July 12-15, 2018A simplified version of the Analytic Hierarchy Process method is published in MethodsX:
AHP-express: A simplified version of the analytical hierarchy process method
Jose Eugenio Leal
2020An introduction to the AHP for kids is published in Frontiers for Young Minds:
What to Do? Let's Think It Through! Using the Analytic Hierarchy Process to Make Decisions.
Jenee A. Jagoda, Steven J. Schuldt, Andrew J. Hoisington
June 18, 2020ISAHP2020 conference held virtually.
Theme: AHP/ANP: The Next Generation
December 3-6, 2020ISAHP2022 conference held virtually.
Theme: Decision-Making in Business Practice
December 15-18, 2022ISAHP2024 conference held virtually.
Theme: Enhancing Decision Making with AI
December 13-15, 2024