Professional Activities and Service

Organizing Committee Member

Mediterranean Conference on Information Systems (MCIS), E-business and Business Analytics track 2017 (Genova, Italy)
Mediterranean Conference on Information Systems (MCIS), Social Influence and Product Diffusion track 2016 (Paphos, Cyprus)
ACM RecSys International Workshop on Recommender Systems Evaluation: Dimensions and Design (REDD) 2014 (Foster City, California)

Program Committee Member

The Web Conference (WWW 2019) (San Francisco, California)
2018 Conference on Information Systems and Technology (CIST) (Phoenix, Arizona)
ACM Conference on Recommender Systems (RecSys) 2018 (Vancouver, Canada)
41st International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2018) (Ann Arbor, Michigan)
The Web Conference (WWW 2018) (Lyon, France)
2017 Conference on Information Systems and Technology (CIST) (Houston, Texas)
ACM Conference on Recommender Systems (RecSys) 2017 (Como, Italy)
Workshop on Recommendation in Complex Scenarios (ComplexRec) at ACM Conference on Recommender Systems (RecSys) 2017 (Como, Italy)
ACM International Conference on Intelligent User Interfaces (IUI) 2017 (Limassol, Cyprus)
Workshop on Surprise, Opposition, and Obstruction in Adaptive and Personalized Systems (SOAP) at ACM Conference on User Modeling, Adaptation and Personalization (UMAP) 2017 (Bratislava, Slovakia)
ACM Conference on Recommender Systems (RecSys) 2016 (Boston, Massachusetts)
Workshop on Surprise, Opposition, and Obstruction in Adaptive and Personalized Systems (SOAP) at ACM Conference on User Modeling, Adaptation and Personalization (UMAP) 2016 (Halifax, Canada)
ACM Recommender Systems Challenge 2014 (Foster City, California)

Associate Editor

International Conference on Information Systems (ICIS) 2018 (San Francisco, California), Bridging the Internet of People, Data, and Things track
International Conference on Information Systems (ICIS) 2017 (Seoul, Korea), Data Science, Decision Analytics and Visualization track

Session Chair

2016 INFORMS Social Media Analytics cluster (Nashville, Tennessee)
2016 Conference on Information Systems and Technology (CIST), Social Media session (Nashville, Tennessee)

Reviewer

Journals:
Management Science [meritorious service award]
MIS Quarterly (MISQ)
Information Systems Research (ISR)
ACM Transactions on Information Systems (TOIS)
IEEE Transactions on Knowledge and Data Engineering (TKDE)
INFORMS Journal on Computing
Production and Operations Management (POMS)
Journal of Computer Assisted Technology
User Modeling and User-Adapted Interaction (UMUAI)
Journal of Data and Information Quality
ACM Computing Surveys
The Computer Journal

Conferences and Workshops:
International Conference on Information Systems (ICIS) 2017 (Seoul, Korea)
International Conference on Information Systems (ICIS) 2016 Doctoral Consortium (Dublin, Ireland)
International Conference on Information Systems (ICIS) 2016 (Dublin, Ireland)
Pacific Asia Conference on Information Systems (PACIS) 2016 (Taiwan)
ACM Conference on Recommender Systems (RecSys) 2015 (Vienna, Austria)
International Conference on Information Systems 2015 (Fort Worth, Texas)
ACM Conference on Recommender Systems (RecSys) 2014 (Foster City, California)
International Conference on Information Systems (ICIS) 2014 (Auckland, New Zealand)
ACM Conference on Recommender Systems (RecSys) 2013 (Hong Kong)
International Conference on Information Systems (ICIS) 2013 (Milan, Italy)
Workshop on Information Technologies and Systems 2013 (Milan, Italy)
ACM Conference on Knowledge Discovery and Data Mining (KDD) 2013 (City of Chicago, Chicago)
ACM Conference on Recommender Systems (RecSys) 2012 (Dublin, Ireland)
International Conference on Information Systems (ICIS) 2012 (Orlando, Florida)
Workshop on Information Technologies and Systems (WITS) 2012 (Orlando, Florida)
ACM Conference on Recommender Systems (RecSys) 2011 (City of Chicago, Chicago)
Workshop on Information Technologies and Systems (WITS) 2011 (Shanghai, China)

Grant Committees:
Israel Science Foundation (ISF)

Discussant

Workshop on Information Systems and Economics (WISE) 2017 (Seoul, Korea)
Workshop on Information Systems and Economics (WISE) 2016 (Dublin, Ireland)

Dissertation Committee Member

Zhe Han (Emory University, Marketing PhD) 2018

Professional Memberships

Association for Computing Machinery (ACM)
Association of Information Systems (AIS)
INFORMS

Administrator and Web Developer

Hellenic Association for Information Systems (HeAIS) - Chapter of the Association for Information Systems (AIS)

Miscellaneous Service

Emory ISOM PhD admission committee 2017-2018
UMN Carlson PhD student preliminary examination committee 2016-2017
INFORMS 2016 Data Mining Best Paper Competition Judge
NYU Center for Data Science Faculty Hiring Student Committee 2016
NYU Gallatin School of Individualized Study Colloquium Committee 2016
NYU Stern PhD Teaching Workshop 2015