Elo’s main research interests center on inequalities in health and mortality across the life course and demographic estimation of mortality. In recent years, she has extended her research to include predictors of cognition in high-, middle-, and low-income countries.

She specializes in algebra and arithmetic geometry, a newer field that applies techniques from algebraic geometry to solve problems in number theory and co-developed the method of field patching.

The role oversees finance and budget, facilities, staff human resources, and computing. Harrell had held the interim position since September.

Sieg focuses his research on public and urban economics, as well as the political economy of state and local governments.