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Professor emeritus Raimo P Hämäläinen, from the Department of Mathematics and Systems Analysis, is the recipient of the 2021 GDN Informs section awards. INFORMS is the leading international association for professionals in operations research, analytics, management science, economics, behavioral science, statistics, artificial intelligence, data science, applied mathematics, and other relevant fields. 

The award honors an individual who has made outstanding contributions to research in the field of Group Decision and Negotiation and/or outstanding contributions to the GDN Section. The contributions justifying the award may be recent or they may have been made over the recipient's lifetime. The citation for the award highlights Professor Hämäläinen’s impact across a range of fields which has resulted in the development of tools for real-world decision making processes.  

“I am most delighted to have received this award from Informs,” says Professor Hämäläinen, “I am thankful to my collaborators and colleagues who, throughout the years, have worked with me on topics relating to group decision making and participation, which led to the work that I have been awarded for.”

The award was presented at the 2021 Informs conference, which took place online in June.

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Professor Raimo P. Hämäläinen has made outstanding contributions to the field of Group Decision and Negotiation (GDN), while being an internationally acknowledged researcher in a number of related fields, including multicriteria decision making, environmental modelling, systems thinking and behavioral operations research. His theoretical work includes imprecise and interval approaches in multicriteria models as well as game theoretic methods for negotiation processes. His research has led to the development of noted decision support systems: web-HIPRE for multicriteria analysis, JOINT-GAINS for negotiation support and OPINIONS-ONLINE for opinion surveys and group voting. Professor Hämäläinen has successfully applied his theories and models to a number of high-impact problems, notably, in energy policy, environmental planning and nuclear emergency management. A prolific author, Professor Hämäläinen has been on the editorial board of the GDN journal, first as an associate editor and currently a departmental editor in the area of Behavior, Modeling and Group Interaction. He has been a steady participant in, and a sustained contributor to, the INFORMS-GDN conferences.