CHEST would like to thank the individuals listed below who served as reviewers for CHEST in 2015. Without their generous assistance, the Journal would not be able to function. The expert evaluation of manuscripts by these people is a primary reason that CHEST is one of the most respected journals in its field. We extend our appreciation. Because of production restraints, we have only listed those who completed reviews by mid-October 2015. Those who completed reviews after then will be listed next year.