IJAHP News and Events: Petrillo, Karpak/ Theory and applications of AHP/ANP in supply chain management session at INFORMS 2021 International Journal of the Analytic Hierarchy Process 548 Vol. 13 Issue 3 2021 ISSN 1936-6744 https://doi.org/10.13033/ijahp.v13i3.955 Theory and Applications of AHP/ANP in Supply Chain Management session at INFORMS 2021 Antonella Petrillo Università degli Studi di Napoli “Parthenope” Italy Birsen Karpak Youngstown State University USA The INFORMS annual meeting was in Anaheim, CA, October 24-27, 2021 in person as well as virtual. The 2021 INFORMS annual meeting was a unique opportunity to connect and network with the more than 6,500 members, students, prospective employers and employees, and academic and industry experts who comprise the INFORMS community. Figure 1 INFORMS 2021 Annual Meeting The MCDM section of INFORMS organized a stream of sessions chaired by Margaret Wiecek, Serpil Sayin, Birsen Karpak, Antonella Petrillo, Caroline Mota, Daniele Costa Morais, Adiel Teixeira De Almeida, Samira Fallah, Firdevs Ulus, Ozlem Karsu, and Salvatore Greco. In particular, during INFORMS the session: “Theory and Applications of AHP/ANP in Supply Chain Management” took place and was organized by Birsen Karpak (Youngstown State University – USA) and Antonella Petrillo (Università degli Studi di Napoli “Parthenope” - Italy). IJAHP News and Events: Petrillo, Karpak/ Theory and applications of AHP/ANP in supply chain management session at INFORMS 2021 International Journal of the Analytic Hierarchy Process 549 Vol. 13 Issue 3 2021 ISSN 1936-6744 https://doi.org/10.13033/ijahp.v13i3.955 In this session Gregory Zacharewicz (IMT-Mines Ales, France) presented, “Model-based Approaches for Interoperability of Next Generation Supply Chain Management Systems: State of The Art And Future Challenges: Contributions From AHP/ANP”. Figure 2 INFORMS 2021 Gregory Zacharewicz Also, Sezin Güleryüz (Bartin University, Turkey) presented “Selection of Sustainable Suppliers Using an Integrated MCDM Approach: A Case Study of Turkey”. Figure 3 INFORMS 2021 Sezin Güleryüz In addition, Birsen Karpak (Youngstown State University, USA), Ilker Topcu (Istanbul Technical University, Turkey), Fusun Ulengin (Sabanci University, Turkey) presented IJAHP News and Events: Petrillo, Karpak/ Theory and applications of AHP/ANP in supply chain management session at INFORMS 2021 International Journal of the Analytic Hierarchy Process 550 Vol. 13 Issue 3 2021 ISSN 1936-6744 https://doi.org/10.13033/ijahp.v13i3.955 “Analytic Hierarchy Process/Analytic Network Process Applications In Big Data Enabled Supply Chain Management”. Figure 4 INFORMS 2021 Birsen Karpak, Ilker Topcu and Fusun Ulengin Finally, Ozden Bayazit (Central Washington University, USA) and Birsen Karpak (Youngstown State University, USA) presented, “Selection of a 3PL Service Provider for an Aerospace Company: Analytic Network Process (ANP) Approach”. Figure 4 INFORMS 2021 Ozden Bayazit IJAHP News and Events: Petrillo, Karpak/ Theory and applications of AHP/ANP in supply chain management session at INFORMS 2021 International Journal of the Analytic Hierarchy Process 551 Vol. 13 Issue 3 2021 ISSN 1936-6744 https://doi.org/10.13033/ijahp.v13i3.955 We hope our presence at the INFORMS 2022 meeting in Indianapolis will be even greater and, hopefully, face-to-face. We look forward to seeing you next year!