Greg Rebchook, PhD, BS

Faculty

Dr. Rebchook received his doctorate at the University of Colorado, Boulder in Sociocultural Psychology. He has been working in the HIV prevention field since 1987. Currently, Dr. Rebchook is the Division of Prevention Science Community Engagement Core Director. He is also the Associate Director of the Community Engagement Core on a NIMHD-funded Research Coordinating Center to Reduce Disparities in Multiple Chronic Diseases (RCC RD-MCD). He directs the UCSF CDC-funded Prevention Research Center (PRC).

He is the Principal Investigator on: (1) a HRSA-funded cooperative agreement--Providing Capacity Building Assistance to support innovative program models in the Ryan White Program study; (2) NIMH Ending the HIV Epidemic Supplement--Improving HIV prevention and care for transgender Latinas in Oakland, CA; and (3) Gilead's Improving HIV testing, PrEP services, and HIV care for transgender Latinas in Oakland, CA study.

He is a Co-Investigator on: (1) HRSA's Evidence-Informed Interventions to Improve Health Outcomes among People Living with HIV – Evaluation Center (E2i EC) project, and (2) HRSA's Building Capacity to Implement Rapid Antiretroviral Therapy (ART) Start for Improved Care Engagement in the Ryan White HIV/AIDS Program – Evaluation and Technical Assistance Provider (ETAP) project;

He is the Co-Principal Investigator on: (1) NIMH EHE Supplement--The Texas PrEP Implementation Study (TPIS), and (2) HRSA's Using Innovative Intervention Strategies (2iS) to Improve Health Outcomes among People with HIV Initiative – Evaluation Center (2iS EC).

His current research interests focus on implementation science and HIV prevention and engagement in care among transgender women of color and young gay/bisexual/and other men who have sex with men (MSM), especially with young African American men.

Education
2018 - Diversity, Equity, and Inclusion Champion Training, University of California
PhD, 1996 - Sociocultural Psychology, University of Colorado
BS, 1988 - Psychology, Loyola University of Chicago
Websites
Publications

  1. Bolton AT, Bourdeau B, Rebchook G, Van Nuys J, Moore E, Buchacz K, O'Shea J, Saberi P. Patient and injection partner perspectives on barriers and facilitators to home-based administration of long-acting injectable antiretroviral therapy. PloS one 2026. PMID: 41801978


  2. Bolton AT, Bourdeau B, O'Shea J, Rebchook G, Van Nuys J, Moore E, Harris OO, Johnson MO, Shade SB, Palomares M, Buchacz K, Saberi P. Facilitators and Barriers to Home-Based Long-Acting Injectable Antiretroviral Therapy: Clinician Perspectives from the INVITE-Home Study. AIDS and behavior 2026. PMID: 41604045


  3. Maiorana A, Bolton A, Koester K, Bourdeau B, DeLorenzo L, Rebchook G, Steward W, Coffey S, Bacon O, Myers J. A qualitative assessment of readiness to sustain Rapid Start ART in 14 publicly funded HIV clinics in the United States. Implementation science communications 2026. PMID: 41540490


  4. Palomares M, Shade SB, Pollack L, Zand P, Bourdeau B, Moore E, Bolton A, Van Nuys J, Johnson MO, Rebchook GM, Saberi P. Enthusiasm for Participation in a Novel, At-Home Delivery Model for Injectable HIV Treatment among People with HIV. Journal of acquired immune deficiency syndromes (1999) 2025. PMID: 40778737


  5. Lentz C, Telaak S, Dominguez BS, Siconolfi DE, Rebchook GM, Kegeles SM, Vincent W, Storholm ED. The Impact of Discrimination on Young Black Sexual Minority Men Living with HIV in the US South: Identifying Predictors of Internalized Stigma and Depressive Symptoms. AIDS patient care and STDs 2025. PMID: 41235433


  6. Bourdeau B, Rebchook G, Shade SB, O'Shea J, Buchacz K, Harris O, Johnson MO, Palomares M, Bolton AT, Van Nuys J, Moore E, Saberi P. Innovative administration of long-acting injectables for HIV treatment enhancement at home (INVITE-HOME): implementation science study protocol. BMJ open 2025. PMID: 40764067


  7. Odom DB, Edwards CR, Gomez J, AuYoung M, Fagan P, Social Justice Competencies Subcommittee of the Community Engagement Working Group, Health Equity Ac. Developing social justice competencies: preparing the next generation of health disparities researchers and practitioners. Journal of the National Cancer Institute. Monographs 2025. PMID: 40795914


  8. Green-Ajufo B, Chakravarty D, Maiorana A, Lightfoot M, Hamiga J, Rebchook G. Acceptability and Feasibility of Using Educational Incentives for Research Participation to Advance Antiracism. Ethics & human research 2025. PMID: 40658773


  9. Arnold EA, Fuller S, Agins BD, Fidelak L, Xavier J, Steward WT, Rebchook GM, Koester KA. Sheltering from the storm: The role of a quality improvement collaborative focused on improving HIV care retention in New Orleans during and following Hurricane Ida. PloS one 2025. PMID: 40343959


  10. Lanzi RG, Varley A, Ott C, Wolfner C, Balise R, Betancourt GS, Bonner C, Corneli A, Elopre L, Farinas J, Gulden C, Harkness A, Hawkins CA, Kegeles SM, Kerani RP, Krakower D, Marcus J, Montoya J, Rajabiun S, Ramly E, Rebchook G, Ross J, Schwartz S, Tarrant A, Uskup D, Williams BB, Mugavero M, Saag M, Heffron R, Crawford Porter D. Implementation Science Methods, Challenges, and Associated Solutions: Transportable Lessons Learned and Best Practices From the Second National Meeting for Research and Community Collaboration Toward Ending the HIV Epidemic in the United States. Journal of acquired immune deficiency syndromes (1999) 2025. PMID: 40163057


  11. Moran L, Bolton AT, Maiorana A, Guzé MA, Bourdeau B, Shade SB, Rebchook GM, Saberi P, Palomares M, Hinchcliffe G, Keuroghlian AS, Psihopaidas D, Myers JJ, Koester KA. Insights on HIV Care Engagement Strategies from Seven Interventions Serving Key Populations in the United States: A Qualitative Study. AIDS patient care and STDs 2025. PMID: 39964750


  12. Bourdeau B, Guzé MA, Rebchook GM, Shade SB, Psihopaidas D, Chavis NS, Myers JJ. Measuring Implementation Outcomes Change Over Time Using an Adapted Checklist for Assessing Readiness to Implement (CARI). AIDS and behavior 2025. PMID: 39899228


  13. Fuller SM, Arnold EA, Xavier J, Ibe CA, Steward WT, Myers JJ, Rebchook G, Koester KA. Integrating community health workers into HIV care clinics: a qualitative study with health system leaders and clinicians in the Southern United States. BMC health services research 2024. PMID: 39487486


  14. Goldhammer H, Marc LG, Massaquoi M, Cancio R, Cahill S, Downes A, Rebchook G, Bourdeau B, Head J, Psihopaidas D, Chavis NS, Cohen SM, Mayer KH, Keuroghlian AS. Closing the Dissemination Gap: Accessible Toolkits for the Rapid Replication of Evidence-Informed Interventions to Improve Health Outcomes Among People with HIV. AIDS and behavior 2024. PMID: 39375289


  15. Dorfman M, Goldhammer H, Krebs D, Chavis NS, Psihopaidas D, Moore MP, Downes A, Rebchook G, Cahill S, Mayer KH, Keuroghlian AS. Interventions for Improving HIV Care Continuum Outcomes Among LGBTQ+ Youth in the United States: A Narrative Review. AIDS patient care and STDs 2024. PMID: 39047018


  16. Keuroghlian AS, Marc L, Goldhammer H, Massaquoi M, Downes A, Stango J, Bryant H, Cahill S, Yen J, Perez AC, Head JM, Mayer KH, Myers J, Rebchook GM, Bourdeau B, Psihopaidas D, Chavis NS, Cohen SM. Correction: A Peer-to-Peer Collaborative Learning Approach for the Implementation of Evidence-Informed Interventions to Improve HIV-Related Health Outcomes. AIDS and behavior 2024. PMID: 38436808


  17. Keuroghlian AS, Marc L, Goldhammer H, Massaquoi M, Downes A, Stango J, Bryant H, Cahill S, Yen J, Perez AC, Head JM, Mayer KH, Myers J, Rebchook GM, Bourdeau B, Psihopaidas D, Chavis NS, Cohen SM. A Peer-to-Peer Collaborative Learning Approach for the Implementation of Evidence-Informed Interventions to Improve HIV-Related Health Outcomes. AIDS and behavior 2024. PMID: 38340221


  18. Storholm ED, Siconolfi DE, Campbell CK, Pollack LM, Kegeles SM, Rebchook GM, Tebbetts S, Vincent W. Structural Inequities, Syndemics, and Resilience: The Critical Role of Social Support in Overcoming Barriers and Empowering Engagement in HIV Care for Young Black Sexual-Minority Men in the US South. Journal of racial and ethnic health disparities 2023. PMID: 38095825


  19. Ogunbajo A, Siconolfi D, Storholm E, Vincent W, Pollack L, Rebchook G, Tan J, Huebner D, Kegeles S. History of Incarceration is Associated with Unmet Socioeconomic Needs and Structural Discrimination among Young Black Sexual Minority Men (SMM) in the United States. Journal of urban health : bulletin of the New York Academy of Medicine 2023. PMID: 37204646


  20. Bourdeau B, Shade SB, Koester KA, Rebchook GM, Steward WT, Agins BM, Myers JJ, Phan SH, Matosky M. Rapid start antiretroviral therapies for improved engagement in HIV care: implementation science evaluation protocol. BMC health services research 2023. PMID: 37198586


  21. Hill M, Sevelius J, Sherman ADF, Balthazar M, Klepper M, Radix A, Rebchook G, Hansen N. The Helping Networks of Transgender Women Living with HIV. Journal of community health 2023. PMID: 36662345


  22. Rebchook GM, Chakravarty D, Xavier JM, Keatley JG, Maiorana A, Sevelius J, Shade SB, SPNS Transgender Women of Color Study Group. An evaluation of nine culturally tailored interventions designed to enhance engagement in HIV care among transgender women of colour in the United States. Journal of the International AIDS Society 2022. PMID: 36225153


  23. Gamarel KE, Rebchook G, McCree BM, Jadwin-Cakmak L, Connolly M, Reyes LA, Sevelius JM. The ethical imperative to reduce HIV stigma through community-engaged, status-neutral interventions designed with and for transgender women of colour in the United States. Journal of the International AIDS Society 2022. PMID: 35818894


  24. Goldhammer H, Marc LG, Psihopaidas D, Chavis NS, Massaquoi M, Cahill S, Rebchook G, Reisner S, Mayer KA, Cohen SM, Keuroghlian AS. HIV Care Continuum Interventions for Transgender Women: A Topical Review. TO REMOVE 2022. PMID: 35060802


  25. Mangosing D, Kumalo-Sakutukwa G, Bourdeau B, Rebchook G, Lightfoot M, Myers JJ. Supporting Community Partners in Reducing HIV-Related Health Disparities: Technical Assistance Across a Spectrum of Intensity. TO REMOVE 2022. PMID: 35352602


  26. Siconolfi D, Storholm ED, Vincent W, Pollack L, Rebchook GM, Huebner DM, Peterson JL, Kegeles SM. Prevalence and Correlates of Sexual Violence Experienced by Young Adult Black Men Who Have Sex with Men. TO REMOVE 2021. PMID: 34725750


  28. Sevelius J, Chakravarty D, Neilands TB, Keatley J, Shade SB, Johnson MO, Rebchook G. Evidence for the Model of Gender Affirmation: The Role of Gender Affirmation and Healthcare Empowerment in Viral Suppression Among Transgender Women of Color Living with HIV. AIDS and behavior 2019. PMID: 31144131


  29. Sevelius JM, Xavier J, Chakravarty D, Keatley J, Shade S, Rebchook G, SPNS Transgender Women of Color Study Group. Correlates of Engagement in HIV Care Among Transgender Women of Color in the United States of America. AIDS and behavior 2021. PMID: 34037930


  30. Sevelius JM, Chakravarty D, Dilworth SE, Rebchook G, Neilands TB. Measuring Satisfaction and Comfort with Gender Identity and Gender Expression among Transgender Women: Development and Validation of the Psychological Gender Affirmation Scale. International journal of environmental research and public health 2021. PMID: 33806834


  31. Bourdeau B, Shade S, Koester K, Rebchook G, Dawson-Rose C, Guzé M, Psihopaidas D, Cohen SM, Myers J. Implementation Science Protocol: evaluating evidence-informed interventions to improve care for people with HIV seen in Ryan White HIV/AIDS program settings. AIDS care 2021. PMID: 33427484


  32. Sevelius JM, Chakravarty D, Dilworth SE, Rebchook G, Neilands TB. Gender Affirmation through Correct Pronoun Usage: Development and Validation of the Transgender Women's Importance of Pronouns (TW-IP) Scale. International journal of environmental research and public health 2020. PMID: 33352630


  33. Storholm ED, Huang W, Siconolfi DE, Pollack LM, Carrico AW, Vincent W, Rebchook GM, Huebner DM, Wagner GJ, Kegeles SM. Sources of Resilience as Mediators of the Effect of Minority Stress on Stimulant Use and Sexual Risk Behavior Among Young Black Men who have Sex with Men. AIDS and behavior 2019. PMID: 31273490


  34. Vincent W, Peterson JL, Huebner DM, Storholm ED, Neilands TB, Rebchook GM, Pollack L, Tan JY, Kegeles SM. Resilience and Depression in Young Black Men Who Have Sex with Men: A Social-Ecological Model. TO REMOVE 2019. PMID: 35505775


  35. Vincent W, Peterson JL, Storholm ED, Huebner DM, Neilands TB, Calabrese SK, Rebchook GM, Tan JY, Pollack L, Kegeles SM. A Person-Centered Approach to HIV-Related Protective and Risk Factors for Young Black Men Who Have Sex with Men: Implications for Pre-exposure Prophylaxis and HIV Treatment as Prevention. AIDS and behavior 2019. PMID: 31407211


  36. Eke AN, Johnson WD, O'Leary A, Rebchook GM, Huebner DM, Peterson JL, Kegeles SM. Effect of a Community-Level HIV Prevention Intervention on Psychosocial Determinants of HIV Risk Behaviors among Young Black Men Who Have Sex with Men (YBMSM). AIDS and behavior 2019. PMID: 31016504


  37. Tan JY, Pollack L, Rebchook G, Peterson J, Huebner D, Eke A, Johnson W, Kegeles S. The Role of the Primary Romantic Relationship in HIV Care Engagement Outcomes Among Young HIV-Positive Black Men Who Have Sex with Men. AIDS and behavior 2018. PMID: 27844296


  38. Vincent W, Pollack LM, Huebner DM, Peterson JL, Steward WT, Rebchook GM, Storholm ED, Kegeles SM. HIV risk and multiple sources of heterosexism among young Black men who have sex with men. Journal of consulting and clinical psychology 2017. PMID: 28714706


  39. Carrico AW, Storholm ED, Flentje A, Arnold EA, Pollack LM, Neilands TB, Rebchook GM, Peterson JL, Eke A, Johnson W, Kegeles SM. Spirituality/religiosity, substance use, and HIV testing among young black men who have sex with men. Drug and alcohol dependence 2017. PMID: 28319751


  40. Shelley G, Williams W, Uhl G, Hoyte T, Eke A, Wright C, Rebchook G, Pollack L, Bell K, Wang Y, Cheng Q, Kegeles SM. An Evaluation of Mpowerment on Individual-Level HIV Risk Behavior, Testing, and Psychosocial Factors Among Young MSM of Color: The Monitoring and Evaluation of MP (MEM) Project. AIDS education and prevention : official publication of the International Society for AIDS Education 2017. PMID: 28195781


  41. Rebchook G, Keatley J, Contreras R, Perloff J, Molano LF, Reback CJ, Ducheny K, Nemoto T, Lin R, Birnbaum J, Woods T, Xavier J. The Transgender Women of Color Initiative: Implementing and Evaluating Innovative Interventions to Enhance Engagement and Retention in HIV Care. American journal of public health 2017. PMID: 28075641


  42. Kegeles SM, Rebchook G, Tebbetts S, Arnold E. Facilitators and barriers to effective scale-up of an evidence-based multilevel HIV prevention intervention. Implementation science : IS 2015. PMID: 25889582


  44. Scott HM, Pollack L, Rebchook GM, Huebner DM, Peterson J, Kegeles SM. Peer social support is associated with recent HIV testing among young black men who have sex with men. AIDS and behavior 2014. PMID: 24065436


  45. Huebner DM, Kegeles SM, Rebchook GM, Peterson JL, Neilands TB, Johnson WD, Eke AN. Social oppression, psychological vulnerability, and unprotected intercourse among young Black men who have sex with men. Health psychology : official journal of the Division of Health Psychology, American Psychological Association 2013. PMID: 24274807


  46. Maiorana A, Rebchook G, Kassie N, Myers JJ. On being gay in Barbados: "Bullers" and "Battyboys" and their HIV risk in a societal context of stigma. Journal of homosexuality 2013. PMID: 23808347


  47. Kegeles SM, Rebchook G, Pollack L, Huebner D, Tebbetts S, Hamiga J, Sweeney D, Zovod B. An intervention to help community-based organizations implement an evidence-based HIV prevention intervention: the Mpowerment Project technology exchange system. American journal of community psychology 2012. PMID: 21691911


  48. Foster ML, Arnold E, Rebchook G, Kegeles SM. 'It's my inner strength': spirituality, religion and HIV in the lives of young African American men who have sex with men. Culture, health & sexuality 2011. PMID: 21824017


  49. Huebner DM, Neilands TB, Rebchook GM, Kegeles SM. Sorting through chickens and eggs: a longitudinal examination of the associations between attitudes, norms, and sexual risk behavior. Health psychology : official journal of the Division of Health Psychology, American Psychological Association 2011. PMID: 21299299


  50. Raymond HF, Rebchook G, Curotto A, Vaudrey J, Amsden M, Levine D, McFarland W. Comparing internet-based and venue-based methods to sample MSM in the San Francisco Bay Area. AIDS and behavior 2009. PMID: 19160034


  51. Rebchook GM, Kegeles SM, Huebner D. Translating research into practice: the dissemination and initial implementation of an evidence-based HIV prevention program. AIDS education and prevention : official publication of the International Society for AIDS Education 2006. PMID: 16987094


  52. Kegeles SM, Rebchook GM. Challenges and facilitators to building program evaluation capacity among community-based organizations. AIDS education and prevention : official publication of the International Society for AIDS Education 2005. PMID: 16178701


  53. Huebner DM, Rebchook GM, Kegeles SM. A longitudinal study of the association between treatment optimism and sexual risk behavior in young adult gay and bisexual men. Journal of acquired immune deficiency syndromes (1999) 2004. PMID: 15602130


  54. Huebner DM, Rebchook GM, Kegeles SM. Experiences of harassment, discrimination, and physical violence among young gay and bisexual men. American journal of public health 2004. PMID: 15226143


  55. Hays RB, Rebchook GM, Kegeles SM. The Mpowerment Project: community-building with young gay and bisexual men to prevent HIV1. American journal of community psychology 2003. PMID: 12866687


  56. Woods WJ, Binson DK, Mayne TJ, Gore LR, Rebchook GM. HIV/sexually transmitted disease education and prevention in US bathhouse and sex club environments. AIDS (London, England) 2000. PMID: 10780731


  57. Rotheram-Borus MJ, Rebchook GM, Kelly JA, Adams J, Neumann MS. Bridging research and practice: community-researcher partnerships for replicating effective interventions. AIDS education and prevention : official publication of the International Society for AIDS Education 2000. PMID: 11063069


  58. Kegeles SM, Rebchook GM, Hays RB, Terry MA, O'Donnell L, Leonard NR, Kelly JA, Neumann MS. From science to application: the development of an intervention package. AIDS education and prevention : official publication of the International Society for AIDS Education 2000. PMID: 11063070


  59. Adams J, Terry MA, Rebchook GM, O'Donnell L, Kelly JA, Leonard NR, Neumann MS. Orientation and training: preparing agency administrators and staff to replicate an HIV prevention intervention. AIDS education and prevention : official publication of the International Society for AIDS Education 2000. PMID: 11063071


  60. O'Donnell L, Scattergood P, Adler M, Doval AS, Barker M, Kelly JA, Kegeles SM, Rebchook GM, Adams J, Terry MA, Neumann MS. The role of technical assistance in the replication of effective HIV interventions. AIDS education and prevention : official publication of the International Society for AIDS Education 2000. PMID: 11063073