Director of the Division of Global HIV & TB
Principal Deputy Director
Deputy Director for Management and Overseas Operations
Associate Director for Program
Associate Director for Science
Associate Director for Data Integration and Analysis
Associate Director for Health Economics
Chief of the International Laboratory Branch
Heather Alexander, Ph.D., serves as the Chief of the International Laboratory Branch in CDC’s Division of Global HIV & TB. In this role, Dr. Alexander leads more than 65 staff engaged in laboratory capacity building and public health science, innovation, and program implementation in the areas of HIV diagnostic and incidence testing; HIV viral load monitoring and early infant diagnosis; HIV drug resistance testing; TB and drug-resistant TB detection and treatment monitoring; and HIV and TB-related laboratory and point of care continuous quality improvement.
Dr. Alexander began her career at CDC in 2005 as a member of the Division of Tuberculosis Elimination, International Research and Programs Branch, where she led multidrug-resistant TB diagnostic test evaluations and implementation studies in multiple high-burden countries. In 2010, Dr. Alexander joined the Division of Global HIV & TB’s International Laboratory Branch where, in the roles of TB and Opportunistic Infections Unit Lead and then TB and Clinical Monitoring Team Lead, she focused on refining and operationalizing quality-assured laboratory and diagnostic networks for TB and CD4 testing services in PEPFAR-supported and CDC global TB priority countries. Dr. Alexander has served as International Laboratory Branch Chief since 2017 and holds a Ph.D. in Microbiology and Molecular Genetics from Emory University.
Chief of the Overseas Strategy and Management Branch
Program Management Official (PMO)