Current Professional Service Activities

• Editorial Boards: Operations Research, Management Science, Decision Support Systems, Electronic Commerce Research and Applications.
• Co-Editor, Special Issue of Decision Support Systems on "Web-based Decision Support" (due 2006).
• Co-Editor, Special Issue of Decision Support Systems on "Sponsored Search Auctions" (due 2007).

Recent Professional Service Activities

• Conference Co-Chair, INFORMS Computing Society Conference, Phoenix, AZ January 2003.
• Conference Co-Chair, INFORMS Conference on Information Systems and Technologies, Denver, October 23-24, 2004.
• Cluster Chair (OR and the Internet), INFORMS National Meeting, Miami Beach, Nov. 2001.
• Board of Directors, INFORMS Computing Society, 2000-2003.