The INFORMS 2015 was held in Philadelphia, PA. I was co-author of the following two presentations

• Joint Burn-in and Imperfect Condition-based Maintenance for n-Subpopulations by Yisha Xiang, David W. Coit
• A Survey of Condition-based Maintenance Policies for Deteriorating Systems by Suzan Alaswad, Yisha Xiang