• Workshop on "Computational Modeling of Cognition-Emotion Interactions: Relevance to Mechanisms of Affective Disorders and Therapeutic Action" in conjunction with the 36th annual meeting of the Cognitive Science Society, (chair), Quebec City, Quebec, Canada, 2014
• Workshop on "Mental Model Ascription by Language-Enabled Intelligent Agents", in conjunction with the 35th annual meeting of the Cognitive Science Society, Berlin, Germany, 2013
• Steering committee member and senior program committee member for 5th International Conference on Affective Computing and Intelligent Interaction (ACII 2013)
• Workshop on "Emotions in Games", ACII2011 (co-chair), Memphis, TN, 2011
• AAAI Spring Symposium "Emotion, Personality and Social Behavior" (co-chair), 2008.
• Session on "Affective Computing", 1st Intl. Conference on Augmented Cognition, (in conjunction with HCI International), 2005
• AAAI Spring Symposium "Computational Architectures for Emotion: Cross-Disciplinary Foundations" (co-chair), 2004.
• 3rd Workshop on "Affect and Attitude User Modeling" (co-chair), (in conjunction with User Modeling 2003).