from training.npr.org: https://training.npr.org/sources/raj-chetty/
Raj Chetty is the William A. Ackman Professor of Economics at Harvard University and director of Opportunity Insights. He is an expert in tax policy, unemployment insurance and education, and on using data to learn how to give children from disadvantaged backgrounds better chances of succeeding later in life.
Janet Tomiyama is an associate professor of psychology at the University of California, Los Angeles, and director of the DiSH (Dieting, Stress and Health) Lab. She researches eating behavior, psychological stress, and cellular aging with focus on macro factors like socioeconomic status and micro factors like telomere shortening (a biomarker of age).