https://www.cdc.gov/stltpublichealth/townhall/2017/05-may.html
According to this article, he was epidemic intelligence.
Here’s his CDC bio....
Timothy J. Cunningham, ScD, is a team lead with CDC’s Division of Population Health. Dr. Cunningham trained with CDC as an Epidemic Intelligence Service officer. His research has been oriented towards understanding health differences related to race/ethnicity, socioeconomic status, gender, and geography. Dr. Cunningham has also deployed for numerous public health emergencies, including Superstorm Sandy, Ebola, and Zika. He is an active member of the American Public Health Association and the American College of Epidemiology. Dr. Cunningham received his S.M. and Sc.D. from the Harvard T.H. Chan School of Public Health.
https://www.cdc.gov/media/spokesperson/sme-bio/cunningham.html