Overview
I’m a psychologist and Assistant Professor of the Practice of Global Health who studies health and technology. I’m also a Co-Founder of Nivi, a digital health company based in Boston and Nairobi, Kenya.
Current Appointments & Affiliations
Associate Professor of the Practice of Global Health
·
2021 - Present
Duke Global Health Institute,
University Institutes and Centers
Director of Undergraduate Studies, Duke Global Health Institute
·
2024 - Present
Duke Global Health Institute,
University Institutes and Centers
Recent Publications
An App-Based WHO Mental Health Guide for Depression Detection: A Cluster Randomized Clinical Trial.
Journal Article JAMA Netw Open · May 1, 2025 IMPORTANCE: Depression detection in primary care remains limited in low- and middle-income countries despite increasing use of the World Health Organization Mental Health Gap Action Programme-Intervention Guide (mhGAP-IG). OBJECTIVE: To test an app version ... Full text Link to item CiteSocial Vulnerability, COVID-19, Racial Violence, and Depressive Symptoms: a Cross-sectional Study in the Southern United States.
Journal Article Journal of racial and ethnic health disparities · December 2024 BackgroundIn March 2020, the novel 2019 coronavirus disease (COVID-19) was declared a pandemic. In May 2020, George Floyd was murdered, catalyzing a national racial reckoning. In the Southern United States, these events occurred in the context of ... Full text CiteData-Driven Cutoff Selection for the Patient Health Questionnaire-9 Depression Screening Tool.
Journal Article JAMA network open · November 2024 ImportanceTest accuracy studies often use small datasets to simultaneously select an optimal cutoff score that maximizes test accuracy and generate accuracy estimates.ObjectiveTo evaluate the degree to which using data-driven methods to s ... Full text CiteRecent Grants
Developing a Measure of Caregiver Readiness to Disclose HIV Serostatus
ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2014 - 2017Stars in Global Health Round 7 Phase 1; Development of a community embedded family therapy intervention in Kenya: A faith and village based approach
ResearchStatistical Investigator · Awarded by Moi University · 2014 - 2016View All Grants
Education, Training & Certifications
University of South Carolina, Columbia ·
2008
Ph.D.
University of South Carolina, Columbia ·
2006
M.A.
University of South Carolina, Columbia ·
2004
M.A.