Joshua Leftin
—Senior Researcher
所属智库：美国马斯马提政策研究公司
Mathematica Policy Research (United States)
研究领域：
Nutrition;
Food Security and Hunger;
Nutrition and Food Assistance Programs;
Program Integrity;
Human Services;
个人简介：
Joshua Leftin studies nutrition assistance programs, focusing on their implementation, participation, and impacts.
