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 Netw Open · November 4, 2024 IMPORTANCE: Test accuracy studies often use small datasets to simultaneously select an optimal cutoff score that maximizes test accuracy and generate accuracy estimates. OBJECTIVE: To evaluate the degree to which using data-driven methods to simultaneously ... Full text Link to item 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.