Marco A. Hidalgo, PhD, MA

RESEARCH INTERESTS

Dr. Hidalgo, an NIH-sponsored investigator, researches a breadth of areas pertaining to sexual and gender minoritized (SGM) individuals across the lifespan: mental health, psychometrics, minority stress and resilience, transgender health, and HIV prevention intervention.

Dr. Hidalgo is Principal Investigator of Gender Journey Project, a five-year study examining gender development and mental health among a national sample of gender-diverse children.

PROFESSIONAL MEMBERSHIP/LEADERSHIP

• Founding Director, Department of Medicine's Clinical Psychology Postdoctoral Residency Program (2022-Present)
• Associate Vice Chair, Office of Community Engagement and Inclusive Excellence, Department of Medicine, DGSOM at UCLA (2021-Present)
• Member, Psychosocial Development and Risk Prevention (PDRP) Study Section, Scientific Review Group, NIH (2020-2024)
• Member, World Professional Association for Transgender Health (WPATH) (2012-Present)
• Member, American Psychological Association (2006-Present)

Select publications include:

1. Hidalgo MA, Ehrensaft D, Tishelman AC, Clark LF, Garofalo R, Rosenthal SM, Spack NP, Olson J. The gender affirmative model: What we know and what we aim to learn. Human Development. 56(5):285-90, 2013.

2. Hidalgo MA, Kuhns LM, L. HA, Mustanski B, Garofalo R. The MyPEEPS randomized controlled trial: A pilot of preliminary efficacy, feasibility, and acceptability of a group-level, HIV-risk reduction intervention for young men who have sex with men. Archives of Sexual Behavior. 44(2):475-85, 2014. PMID: 25135064, PMCID: PMC4559339

3. Hidalgo MA, Chen D, Garofalo R, Forbes C. Perceived Parental Attitudes of Gender Expansiveness: Development and Preliminary Factor Structure of a Self-report Youth Questionnaire. Transgender Health. 2(1), 180-187; 2017. PMID: 29159312, PMCID: PMC5685204

4. Hidalgo MA, Chen D. Experiences of Gender Minority Stress in Cisgender Parents of Transgender/Gender-expansive Prepubertal Children: A Qualitative Study. Journal of Family Issues. 40(7): 865-886, 2019. PMID: 33911325. PMCID: PMC8078838.

5. Hidalgo MA, Petras H, Chen D, Chodzen G. The Gender Minority Stress and Resilience Measure: Psychometric validity of an adolescent extension. Clinical Practice in Pediatric Psychology. 7 (3):278-290, 2019. PMID: 33224698. PMCID: PMC7678225

6. Hidalgo MA, Layland E, Kubicek K, Kipke M. Sexual racism, psychological symptoms, and mindfulness among ethnically/racially-diverse young men who have sex with men: A moderation analysis. Mindfulness. 2019; 11(2):452-461. PMID: 35082927. PMCID: PMC8789003

7. Chen D, Abrams M, Clark L, Ehrensaft D, Tishelman AC, Chan YM, Garofalo R, Olson-Kennedy J, Rosenthal SM, Hidalgo MA. Psychosocial Characteristics of Transgender Youth Seeking Gender-Affirming Medical Treatment: Baseline Findings from the Trans Youth Care Study. J Adolesc Health. 2020:S1054-139X(20)30453-5. PMID: 32839079, PMCID: Not yet assigned

8. Chen D, Berona J, Chan YM, Ehrensaft D, Garofalo R, Hidalgo MA, Rosenthal SM, Tishelman AC, & Olson-Kennedy J. Psychosocial functioning in transgender youth after 2 years of hormones. New England Journal of Medicine 2023; 388; 240-250. PMID: 36652355. PMCID: PMC10081536.

9. Hidalgo MA, Chen D, Tishelman AC, Olson-Kennedy J, Chan YM, Garofalo R, Petras H, Rosenthal SM and Ehrensaft D. Childhood Gender Diversity and Mental Health: Protocol for the Longitudinal, Observational Gender Journey Project. JMIR Res Protoc 2024 13: e55558.

10. Taylor JM, Nguyen NH, Huang KX, Pfaff MJ, Ranganathan K, Rada RC, Litwin MS, Hidalgo MA, Lee JC. Patient-Reported Preoperative Depression as a Predictor of Psychosocial Outcomes After Gender-Affirming Facial Feminization Surgery. Ann Surg 2024.