Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsJack Tsai
Associate Professor Adjunct of PsychiatryDownloadHi-Res Photo
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Titles
Associate Professor Adjunct of Psychiatry
Director, Yale Division of Mental Health Services and Treatment Outcomes Research
Positions outside Yale
Research Director, National Center on Homelessness Among Veterans, VHA
Biography
Dr. Tsai currently serves as Campus Dean and Professor of Public Health at UTHealth, and Research Director for the U.S. Department of Veterans Affairs (VA) National Center on Homelessness Among Veterans. He was full-time faculty at Yale School of Medicine for a decade where he was Director of the Division of Mental Health Services Research, and now serves as Adjunct Professor remaining active on Yale projects. He has received federally funded grants and published over 500 peer-reviewed articles on topics related to homelessness, severe mental illness, trauma, and health disparities. He is active in the American Psychological Association and the American Public Health Association being in elected leadership positions. He has been a grant reviewer for the NIH, VA, PCORI, Social Security Administration, and several foundations. He serves as Editor-in-Chief for npj Mental Health Research and the Journal of Social Distress and Homelessness. He is involved in teaching and mentoring trainees at VA, Yale, UTHealth, and other universities.
Last Updated on June 07, 2026.
Departments & Organizations
- Psychology Section
- Tsai Lab
- Yale Ventures
- Yale-BI Biomedical Data Science Fellowship
Research
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Overview
Medical Research Interests
Health Care Quality, Access, and Evaluation; Housing; Mental Health Services; Schizophrenia Spectrum and Other Psychotic Disorders; Social Work, Psychiatric; Stress Disorders, Traumatic
Public Health Interests
Substance Use, Addiction; Health Systems Reform; Mental Health
ORCID
0000-0002-0329-648X
Research at a Glance
Yale Co-Authors
Frequent collaborators of Jack Tsai's published research.
Publications Timeline
A big-picture view of Jack Tsai's research output by year.
Research Interests
Research topics Jack Tsai is interested in exploring.
Ilan Harpaz-Rotem, PhD, ABPP
Robert Pietrzak, PhD, MPH
Elina A. Stefanovics, PhD
Peter Jongho Na, MD, MPH
Robert Rosenheck, MD
Marc Potenza, PhD, MD
556Publications
12,217Citations
Housing
Mental Health Services
Stress Disorders, Traumatic
Publications
2026
Characterization of Veterans Who Contact the National Call Center for Homeless Veterans
Montgomery A, deRussy A, Richman J, Dichter M, Kertesz S, True G, Nelson R, Pandit K, Tsai J. Characterization of Veterans Who Contact the National Call Center for Homeless Veterans. Journal Of Public Health Management And Practice 2026, 32: 602-607. PMID: 41286591, DOI: 10.1097/phh.0000000000002246.Peer-Reviewed Original ResearchCitationsAltmetricConceptsHomeless veteransRisk of housing instabilityVeterans AffairsCommunity-based servicesLocal VA medical centersHousing instabilityVA Medical CenterHigh riskVeterans' needsVA careSocial needsVA healthcareHomelessnessVeteransMedical CenterCareNationalCenter contactAffairsNeedsContact outcomesHealthcareReferralServicesDemographicsTemporal trends in the prevalence of psychiatric diagnoses among aging veterans in the U.S. Department of Veterans Affairs healthcare system: An analysis by sex, age, period, and cohort
Beydoun H, Beydoun M, Nixdorff N, Wallace R, Tsai J. Temporal trends in the prevalence of psychiatric diagnoses among aging veterans in the U.S. Department of Veterans Affairs healthcare system: An analysis by sex, age, period, and cohort. Psychiatry Research 2026, 364: 117291. PMID: 42330865, DOI: 10.1016/j.psychres.2026.117291.Peer-Reviewed Original ResearchConceptsMental health disordersTwelve-month prevalenceSubstance use disordersPsychiatric diagnosisVeterans AffairsU.S. Department of Veterans Affairs healthcare systemMen veteransHealth disordersDepartment of Veterans Affairs healthcare systemDepartment of Veterans AffairsVeterans Affairs Healthcare SystemPrevalence of psychiatric diagnosesSubstance use disorder ratesPsychotic disordersAge-period-cohort trendsPsychiatric disordersUS veteran populationDiagnostic categoriesVA healthcareHealthcare servicesCalendar periodData warehouse dataOlder adultsSUD prevalenceUS veteransHealthcare Mobility among United States Military Veterans with Experience of Housing Instability
Montgomery A, DeRussy A, Nelson R, Richman J, Tsai J, Byrne T. Healthcare Mobility among United States Military Veterans with Experience of Housing Instability. Community Mental Health Journal 2026, 1-10. PMID: 42301555, DOI: 10.1007/s10597-026-01669-8.Peer-Reviewed Original ResearchConceptsHousing instabilityVeterans' accessHealthcare mobilityExperiences of housing instabilityUnited States military veteransCommunity-based resourcesAssociated with certain patient characteristicsCharacteristics of veteransRural areasPrimary careDeliver careHealthcare visitsBaseline characteristicsNeeded careRural residentsMilitary veteransHealthcareVeteransBaseline useCarePatient characteristicsOddsHousingBaselineHomelessnessHomelessness Among U.S. Veterans: National Trends, Correlates, and Mental Health Burden
Stefanovics E, Tsai J, Fischer I, Na P, Nichter B, Potenza M, Pietrzak R. Homelessness Among U.S. Veterans: National Trends, Correlates, and Mental Health Burden. Journal Of Community Health 2026, 1-12. PMID: 42301395, DOI: 10.1007/s10900-026-01588-5.Peer-Reviewed Original ResearchAltmetricConceptsMental health burdenUse disorderU.S. veteransHomelessness historyLifetime homelessnessNational Health and ResilienceCurrent substance use disorderSocial anxiety disorderLifetime suicide attemptsNicotine use disorderSubstance use disordersU.S. military veteransFunctional correlatesAt-risk/problem gamblingAdverse childhood experiencesAnxiety disordersGeneralized anxietyAddictive behaviorsPosttraumatic stressPsychiatric disordersSuicidal ideationSuicide riskVeterans StudySuicide attemptsChildhood adversityEmployment and Industries That Low-Income U.S. Veterans With Low-Income and Mental Illness Participate in
Tsai J, Ndabezitha S, Lai H, Maroufy V. Employment and Industries That Low-Income U.S. Veterans With Low-Income and Mental Illness Participate in. Psychiatric Rehabilitation Journal 2026, 10.1037/prj0000694. PMID: 42295214, PMCID: PMC13271163, DOI: 10.1037/prj0000694.Peer-Reviewed Original ResearchIncarceration History, Dental Care Utilization, and Oral Health Difficulties Among U.S. Military Veterans
Testa A, Mijares L, Tsai J. Incarceration History, Dental Care Utilization, and Oral Health Difficulties Among U.S. Military Veterans. Journal Of Public Health Dentistry 2026 PMID: 42289281, DOI: 10.1111/jphd.70062.Peer-Reviewed Original ResearchConceptsDental care utilizationHistory of incarcerationRelative riskHealth difficultiesCriminal justice systemU.S. military veteransSocial driversCare utilizationDental visitsCovariate-adjusted modelsLogistic regression modelsVeteran homelessnessJustice systemPrior incarcerationsIncarceration historyMilitary veteransMultinomial logistic regression modelProgrammatic responsesIncarcerationU.S. Department of Veterans AffairsHealth insurance characteristicsU.S. DepartmentDepartment of Veterans AffairsPast-yearWhere are They Now: Analysis of 10- and 20-Year Cohorts of Homeless Veterans Served by the Veterans Affairs Health Care System.
Tsai J, Szymkowiak D. Where are They Now: Analysis of 10- and 20-Year Cohorts of Homeless Veterans Served by the Veterans Affairs Health Care System. Medical Care 2026 PMID: 42262391, DOI: 10.1097/mlr.0000000000002350.Peer-Reviewed Original ResearchAltmetricConceptsVA homeless programsHomeless veteransHomeless ProgramVeterans AffairsNon-HispanicSubstance use disordersPredictors of mortalityU.S. Department of Veterans AffairsVeterans Affairs Health Care SystemUse disorderNational VA administrative dataDepartment of Veterans AffairsVA administrative dataMilitary sexual traumaComprehensive health careHealth care systemSubstance use treatmentEmergency department/urgent careHomeless populationDrug use disordersCare systemHealth carePremature mortalityLong-term needsSexual traumaIdentifying predictors of housing distress in later life: A lagged exposure-wide approach in a national sample of older U.S. adults
Wilkinson R, Nakamura J, Long K, Cowden R, Koh H, Byrne T, Molinsky J, Kim E, VanderWeele T, Tsai J. Identifying predictors of housing distress in later life: A lagged exposure-wide approach in a national sample of older U.S. adults. SSM - Mental Health 2026, 9: 100651. DOI: 10.1016/j.ssmmh.2026.100651.Peer-Reviewed Original ResearchConceptsVeteran statusPsychological Well-BeingNational sampleHealth behaviorsNational sample of older U.S. adultsPhysical healthOlder adultsHousing distressHousing insecurityMilitary veteran statusNational sample of US adultsSample of older U.S. adultsSample of US adultsExposure-wide approachesOlder U.S. adultsDomains of psychological well-beingWell-beingUS adultsPsychological distressU.S. adultsPotential confoundersModify riskStratified resultsStrength associationDistressFormative Evaluation of a Home-Delivered Meal Program to Enhance Social Connection Among Homebound Older Veterans.
Cruz M, Naik A, Burnett J, Tsai J, Schick V. Formative Evaluation of a Home-Delivered Meal Program to Enhance Social Connection Among Homebound Older Veterans. Journal Of Applied Gerontology 2026, 7334648261451906. PMID: 42216739, DOI: 10.1177/07334648261451906.Peer-Reviewed Original ResearchConceptsOlder veteransHome-delivered meal programsRE-AIM frameworkSocial isolationHome-delivered mealsRE-AIMBaseline lonelinessPaired t-testMental healthMental/physical healthProgram deliveryMeal programsSocial supportHome-deliveredWeek 4Program retentionWheels programOverall wellbeingSocial disconnectednessLonelinessFormative evaluationT-testVeteransSocial connectionsHealthPrevalence, correlates, and patterns of leaving firearms unattended in vehicles among US firearm owners
Testa A, Thompson J, Carriker C, Jackson D, Semenza D, Tsai J. Prevalence, correlates, and patterns of leaving firearms unattended in vehicles among US firearm owners. Injury Epidemiology 2026, 13: 42. PMID: 42178563, PMCID: PMC13214366, DOI: 10.1186/s40621-026-00688-z.Peer-Reviewed Original ResearchConceptsFear of beingDefensive gun useHigher perceptionFirearm ownersPerceptions of safetyUnattended vehiclesGun useCross-sectional surveyConservative ideologyFirearm storageCenter consoleRural residentsFirearmGeographical factorsAssociated with higher oddsVehicleFirearm typeUnited StatesOwnersConclusionsFuture researchTheftRespondentsIntervention developmentOrdinal logistic regressionHigher odds
Academic Achievements & Community Involvement
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Activities
activity Chair for Committees in Div. 18 and 56, American Psychological Association
10/14/2015 - PresentCommitteesMemberactivity Editorial Boards for: Psychological Services; Psychological Injury and Law; Housing, Care, and Support; International Journal of Human Rights in Healthcare; Advances in Dual Diagnosis; Journal of Technology in Behavioral Science; Psychological Trauma: Theory, Research, Practice, and Policy
09/25/2013 - PresentPublic ServiceEditorial Boardactivity Commissioner, New Haven Commission on Disabilities
10/24/2013 - 01/01/2020CommitteesMemberactivity Chair, Caucus on Homelessness, American Public Health Association
11/01/2016 - 11/28/2019CommitteesChairactivity Lead, VA VISN 1 Initiative to Expand Education and Research
08/31/2016 - 09/30/2018CommitteesChair
News
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News
- September 08, 2023Source: Psychiatric Services
Distribution of CARES Act Provider Relief Funding to Psychiatric Care Organizations
- January 11, 2023
Discoveries & Impact (January 2023)
- November 06, 2022Source: Psychiatric Quarterly
Does Street Outreach Engage Its Intended Target Population? Clinical Experience in the Veteran’s Health Administration Homeless Service Programs
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