Students and postdoctoral researchers who have worked with Jason Fletcher..
Jiaxin Shi
Postdoctoral researcher
Years: 2023–2025
Now: Assistant Professor, HKUST
Demography of lifespan inequality and mortality
Selected papers with Fletcher
- 2025. Trend breaks in life expectancy in the United States over 120 years and potential sources of future gains
- Citizenship and Immigrant Longevity: Evidence from U.S. Census-linked Social Security Administration Death Records (in press, Demography)
Alex Natanson
Postdoctoral researcher
Years: 2023–24, 2022–23
Applied economics and health
Boyan Zheng
Graduate student, Sociology
Years: 2023–24, 2022–23, 2021–22, 2020–21, 2019–20
Now: Peking–Princeton Postdoctoral Associate (Center for Social Research, Peking University)
Social genomics · NIA P30 supplement
Selected papers with Fletcher
- 2025. Genetic basis of partner choice
- 2023. Analysis of Sex-Specific Gene-by-Cohort and Genetic Correlation-by-Cohort Interaction in Educational and Reproductive Outcomes Using the UK Biobank Data
- 2023. Estimating Causal Effects between Number of Children and Older Parents’ Cognitive Function Using HRS Data and IV Approach
- 2023. Estimating Causal Effects of Fertility on Life Course Outcomes: Evidence Using A Dyadic Genetic Instrumental Variable Approach
- 2022. A quantile integral linear model to quantify genetic effects on phenotypic variability
+3 more coauthored papers.
Karin Wu
Graduate student, Agricultural and Applied Economics
Years: 2023–24, 2022–23
Health economics and hospital access
Selected papers with Fletcher
Manisha Jain
Graduate student, Economics
Years: 2023–24
Machine learning and mortality
McKenna Goetz
Graduate student, La Follette School of Public Affairs
Years: 2023–24
Mortality and electronic health records
Michael Lebenbaum
Postdoctoral fellow
Years: 2023–24, 2022–23
Health policy and population health
Selected papers with Fletcher
Michael Topping
Graduate student, Sociology
Years: 2023–24, 2022–23, 2021–22, 2020–21
Place of birth and old-age health · NIA R01
Selected papers with Fletcher
- 2025. Area-Level Infant Mortality Exposure in Early Life and Later Life Stroke: The Role of Modifiable Risk Factors and Place of Birth
- 2025. Trends in the Female Longevity Advantage of Nineteenth-Century Birth Cohorts: Exploring the Role of Place and Fertility
- 2024. Educational attainment, family background and the emergence of pain gradients in adulthood
- 2024. Variation in Adult Cognition Across Domains and Life Course Place Effects in the UK
- 2023. Area-Level Infant Mortality Exposure in Early Life and Alzheimer’s Disease Mortality: Examining Variation Based on Age, Sex, and Place of Birth
+6 more coauthored papers.
Shiro Furuya
Graduate student, Sociology
Years: 2023–24, 2022–23, 2021–22, 2020–21, 2019–20, 2018–19
Now: Assistant Professor of Sociology, Purdue University (Bell Fellow, Harvard)
Social genomics and place of birth · NIA R01
Selected papers with Fletcher
- 2024. Retirement Makes You Old? Causal Effect of Retirement on Biological Age
- 2024. Separating Scarring Effect and Selection of Early-Life Exposures With Genetic Data
- 2023. The Big (Genetic) Sort? A Research Note on Migration Patterns and Their Genetic Imprint in the United Kingdom
- 2023. The Big (Genetic) Sort? Reassessing Migration Patterns and Their Genetic Imprint in the UK
- 2023. Understanding Internal Migration: A Research Note Providing an Assessment of Migration Selection With Genetic Data
+4 more coauthored papers.
Garrett Anstreicher
Graduate student, Economics
Years: 2022–23, 2021–22
Education, segregation, and long-run outcomes
Selected papers with Fletcher
Grace Stallworth
Graduate student, Public Affairs
Years: 2022–23, 2021–22
Public affairs research
Hamid Noghanibehambari
Postdoctoral researcher, CDHA
Years: 2022–23, 2021–22
Now: Assistant Professor of Economics, Austin Peay State University
Health economics and early-life determinants of longevity
Selected papers with Fletcher
- 2026. Early life healthcare access and later-life mortality: Evidence using openings of county health departments
- 2026. Early-life local labor market conditions and old-age male mortality: evidence from deindustrialization of New England textile sector
- 2026. Parental education and children's old-age mortality: Evidence using college expansions
- 2026. Replication Data for: Gestation During Abortion Legalization and Adult Disability and Mortality
- 2026. Walking With Feet Tied to the Past: Childhood Exposure to the 1918 Influenza Pandemic and Later‐Life Male Mortality
+25 more coauthored papers.
Shubhashrita Basu
Postdoctoral researcher, CDHA
Years: 2022–23, 2021–22
Now: Grinnell College
Impacts of place on aging
Selected papers with Fletcher
- 2025. PIGEON: a statistical framework for estimating gene–environment interaction for polygenic traits
- 2024. Later Life Impacts of Delaying Childbirth on Maternal Health and Economic Wellbeing: Evidence from the UK Biobank
- 2022. Reimagining Gene-Environment Interaction Analysis for Human Complex Traits
Yan Zhang
Postdoctoral researcher, CDHA
Years: 2022–23, 2021–22
Now: East Carolina University
Impacts of place on aging; family and cognition
Selected papers with Fletcher
- 2024. Research Note: The Association Between Parity and Odds of Alzheimer's Disease and Dementias Status
- 2023. Estimating Causal Effects between Number of Children and Older Parents’ Cognitive Function Using HRS Data and IV Approach
- 2023. Gender differences in the association between parity and cognitive function: Evidence from the UK biobank
- 2022. NUMBER OF CHILDREN AND RISK OF ALZHEIMER’S DISEASE AND DEMENTIA: EVIDENCE FROM THE UK BIOBANK
- 2021. Parental status in later life and parents’ risk of cognitive impairment
Gracie Venechuk
Graduate student, Sociology
Years: 2021–22, 2020–21, 2019–20
Life course · CDHA T32
Hans Schwarz
Graduate student, Economics
Years: 2021–22, 2020–21, 2019–20, 2018–19
Place of birth and old-age health · NIA R01
Selected papers with Fletcher
Joseph Clark
Postdoctoral researcher
Years: 2021–22, 2020–21, 2019–20
Social genomics
Katie Jajtner
Postdoctoral researcher
Years: 2021–22, 2020–21, 2019–20, 2018–19
Now: Scientist, Center for Demography of Health and Aging, UW–Madison
Intergenerational mobility · CDHA T32
Selected papers with Fletcher
- 2024. Geographic disparities in Alzheimer's disease and related dementia mortality in the US: Comparing impacts of place of birth and place of residence
- 2024. The Foundational Inequality – Race Differences in Education Mobility in the US
- 2023. Multidimensional intergenerational mobility
- 2023. Social Security Disability Insurance and intergenerational economic mobility
- 2021. Intergenerational health mobility: Magnitudes and Importance of Schools and Place
+2 more coauthored papers.
Kelsey Gordon
Graduate student, Public Affairs
Years: 2021–22
Public affairs research
Logan Silva
Undergraduate student, Psychology
Years: 2021–22, 2020–21
Siblings and development · Undergraduate Research Scholars
Won-tak Joo
Graduate student, Sociology
Years: 2021–22, 2020–21, 2019–20, 2018–19
Now: Assistant Professor, University of Florida
Networks and health · NICHD R21
Selected papers with Fletcher
- 2025. Trends in the Female Longevity Advantage of Nineteenth-Century Birth Cohorts: Exploring the Role of Place and Fertility
- 2023. Trends in the Female Longevity Advantage of 19th-Century Birth Cohorts: Exploring the Role of Place and Fertility
- 2021. Health, Wealth, and Voting Trajectories in Later Life
Yuchang Wu
Postdoctoral researcher
Years: 2021–22, 2020–21, 2019–20
Social genomics; biodemographic methods for Alzheimer’s disease
Selected papers with Fletcher
- 2025. Genetic basis of partner choice
- 2025. PIGEON: a statistical framework for estimating gene–environment interaction for polygenic traits
- 2024. Interpreting polygenic score effects in sibling analysis
- 2024. Pervasive biases in proxy genome-wide association studies based on parental history of Alzheimer’s disease
- 2023. Decomposing heritability and genetic covariance by direct and indirect effect paths
+26 more coauthored papers.
Yuexuan Xu
Graduate student, Population Health Sciences
Years: 2021–22, 2020–21, 2019–20
Gene–environment interactions in the HRS · CDHA pilot
Alexa Siegel
Undergraduate student, Statistics
Years: 2020–21
Siblings and development · Undergraduate Research Scholars
Anna Veenendall
Undergraduate student, Neurobiology and Psychology
Years: 2020–21
Siblings and development · Undergraduate Research Scholars
Joanna Venator
Graduate student, Economics
Years: 2020–21, 2019–20, 2018–19
Reproductive health · Anonymous donor / CORE
Selected papers with Fletcher
Leah Foltman
Graduate student, Sociology
Years: 2020–21
Place of birth and old-age health · NIA R01
Molly Paras
Undergraduate student, Biomedical Engineering
Years: 2020–21
Siblings and development · Undergraduate Research Scholars
Alexandra Knorr
Graduate student, La Follette School of Public Affairs
Years: 2019–20
Social genomics · Kohl Competition
Ang Yu
Graduate student, Sociology
Years: 2019–20
Machine learning and social science · IRP pilot
Jessica Polos
Graduate student, Sociology
Years: 2019–20, 2018–19
Now: Assistant Professor, DePaul University
Reproductive health · CDHA T32
Selected papers with Fletcher
Meg Carroll
Graduate student, Economics
Years: 2019–20
Reproductive health · Anonymous donor / CORE
Michael Caniglia
Graduate student, La Follette School of Public Affairs
Years: 2019–20
Social genomics · Kohl Competition
Minseon Park
Graduate student, Economics
Years: 2019–20
Obesity in New York City · NICHD R21
Wei Xu
Postdoctoral researcher
Years: 2019–20
Now: Medical College of Wisconsin
Place of birth and old-age health · NIA R01
Selected papers with Fletcher
- 2022. Interactive effects of physical activity and air pollution on incident dementia
- 2021. From convergence to divergence: Lifespan variation in US states, 1959–2017
- 2021. State of birth and cardiovascular disease mortality: Multilevel analyses of the National Longitudinal Mortality Study
- 2020. Assessment of changes in place of death of older adults who died from dementia in the United States, 2000–2014: a time-series cross-sectional analysis
- 2020. Where and When: Sharpening the lens on geographic disparities in mortality
Will Henkes
Graduate student, La Follette School of Public Affairs
Years: 2019–20, 2018–19
Social genomics · Kohl Competition
Alexa Deboth
Graduate student, La Follette School of Public Affairs
Years: 2018–19
Reproductive health · Kohl Competition
Angie Forgues
Graduate student, Sociology
Years: 2018–19
Social genomics · CDHA T32
Irene Jacqz
Graduate student, Agricultural and Applied Economics
Years: 2018–19
Pollution and health · IRP Dissertation Fellowship
Julie Goodwin
Graduate student, Sociology
Years: 2018–19
Social genomics · CDHA T32
Lily Schultz
Graduate student, La Follette School of Public Affairs
Years: 2018–19
Reproductive health · Kohl Competition
Pradyot Prakash
Graduate student, Computer Science
Years: 2018–19
Machine learning · IRP small grant