Dr. Guest is a Professor at Rollins School of Public Health and Vice Chair of the Department of Epidemiology.  She is also faculty in the School of Medicine at Emory University where she serves as Associate Program Director for the PA Program.  Dr. Guest received both her doctorate in epidemiology and MPH from Emory University and her undergraduate degree from Baylor University. For 17 years, she was the Director of HIV Research at the Atlanta VA Medical Center where she was the co-founder of the HIV Atlanta VA Cohort Study (HAVACS), the largest HIV veterans cohort. She has taught at Rollins and SOM since 1999 and won the Golden Apple for Excellence in Teaching in the SOM and the Crystal Apple for excellence in graduate teaching. She is a PRISM investigator, the Director of the PA/MPH dual degree program, the track director for the executive MPH Applied Epidemiology Program and Director of Research for the South GA Farmworker Health Project from Emory SOM. She is on the steering committee for ART-CC, an international cohort collaboration of HIV researchers. Dr. Guest has published over 70 peer-reviewed papers, has presented at 83 national or international conferences, sits on six journal editorial boards, and has been the investigator on more than 50 HIV-related research projects. She has served on dissertation committees for four doctoral students, as mentor for 20 medical or PharmD resident research projects, and chair for 49 MPH thesis committees. She is the Founder and Executive Director of Teen Corp, a medical and philanthropy organization created to bring experiential learning to youth leaders. Her community work includes serving as the Chair of the Board of Directors for Communities in Schools Atlanta, the board for Georgia Humanities and the Board of Directors for Leadership Atlanta. She is a team captain and the Media Ambassador for the Susan G. Koman for the Cure 3-Day Breast Cancer Walk and has raised more than $650,000 in 19 walks. She is a logistics director for the Iditarod race in Alaska. She is a member of the Leadership Atlanta Class of 2011 and Leadership Georgia class of 2014.