On behalf of the editorial board of JAMA Internal Medicine and our readers, I would like to acknowledge and express heartfelt gratitude to our dedicated reviewers who completed reviews from January 1, 2014, to December 31, 2014. Peer review is the foundation for all of the work of this journal. We depend on the expertise of our dedicated and thoughtful reviewers to help us choose and improve the best manuscripts for our readers. Thank you very much for your invaluable time and insight. Asterisks indicate the number of articles reviewed by those who reviewed 3 or more articles.