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Calvin Johnson, MD, MPH, serves as the Senior Vice President for Public Health and Chief Medical Officer at Royal Caribbean Group since July 2020. Johnson is also the Founder and Principal of Altre Strategic Solutions Group, LLC, providing consulting services focused on population health and health care management. Previous leadership roles include President of ASHLIN Management Group, Executive Vice President and Chief Medical Officer at Corizon Health, and Secretary of Health for the Commonwealth of Pennsylvania. Johnson holds a Doctor of Medicine from The Johns Hopkins University School of Medicine, a Master of Public Health from Johns Hopkins Bloomberg School of Public Health, and a Bachelor of Science in Chemistry from Morehouse College. Additionally, experience includes teaching as a Clinical Associate Professor at Temple University School of Medicine and hosting a health radio program on 900AM WURD.