Alumni in Action

Kelly Callahan

Kelly Callahan

Before accepting her current position as director of the Center's Trachoma Control Program, Ms. Callahan was assistant director of program support for the Carter Center Health Programs.

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Mark Chen

Mark Chen

After graduating from Rollins, LCDR Mark Chen joined the Food and Drug Administration as a civil servant investigator in San Jose, CA.

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Hersh Gupta

Hersh Gupta

Hersh Gupta, MPH, grew up in India and Thailand before moving to the United States for college.

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Christopher Holliday

Christopher Holliday

Dr. Holliday is particularly interested in chronic disease prevention, epidemiology, population health, and population mental health.

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Heather (Yori) Ingold

Heather (Yori) Ingold

Heather Ingold, MPH, lives in Geneva, Switzerland, where she works as a senior program officer for the High Impact Asia Department at the Global Fund.

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Dr. Ali S. Khan

Dr. Ali S. Khan

Dr. Khan is the new dean of the college of public health at the University of Nebraska medical center after a 23-year career at CDC.

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Dr. Jean O' Connor

Dr. Jean O' Connor

Dr. Jean O' Connor serves as the chronic disease prevention director for the Georgia Department of Public Health.

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Meridith Rentz

Meridith Rentz

Meridith's professional experience includes working with Emory Internal Medicine and Deloitte Consulting's Healthcare Strategy and Operations practice.

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Brigette Ulin

Brigette Ulin

Brigette Ulin, MPH, is the director of the Office of National Prevention Strategy in CDC’s Office of the Associate Director for Policy.

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Hilarie Warren

Hilarie Warren

Hilarie Warren, MPH, CIH, conducts on-site assessments for health, safety, and environmental hazards at construction sites and industrial facilities around Georgia as an industrial hygienist for the State of Georgia’s OSHA Consultation Program.

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