Contributions Timothy D. Henry, MD, MSCAIAdopting Best Practices in the Management of Coronary Calcification Timothy D. Henry, MD, MSCAISCAI 2021 Presidential Year in Review From Tim Henry, MD, MSCAI Timothy D. Henry, MD, MSCAISCAI SHOCK Stages Classification Expert Consensus Update: A Review and Incorporation of Validation Studies Timothy D. Henry, MD, MSCAIPresident's Message—December 2021 Timothy D. Henry, MD, MSCAIPresident's Message Timothy D. Henry, MD, MSCAIInitial Findings From the North American COVID-19 Myocardial Infarction Registry Timothy D. Henry, MD, MSCAINACMI—Coverage of TCT Connect 2020 Timothy D. Henry, MD, MSCAISCAI Position Statement on the Performance of PCI in Ambulatory Surgical Centers Timothy D. Henry, MD, MSCAISCAI Position Statement on Optimal Interventional Therapy for Complex Coronary Artery Disease Timothy D. Henry, MD, MSCAIManagement of Acute Myocardial Infarction During the COVID‐19 Pandemic Timothy D. Henry, MD, MSCAICatheterization Laboratory Considerations During the Coronavirus (COVID-19) Pandemic Timothy D. Henry, MD, MSCAISCAI Expert Consensus Statement on the Classification of Cardiogenic Shock