Ilan H. Meyer (Hebrew: אילן מאיר; born January 26, 1956) is an American psychiatric epidemiologist, author, professor, and a senior scholar for public policy and sexual orientation law at the Williams Institute of UCLA.
He has conducted extensive research on minority identities related to sexual orientation, gender, race and ethnicity, drawing conclusions on the impact of social stresses on their mental health.
[4] Meyer developed a model of that describes the relationship of social stressors and mental disorders and helps to explain LGBT health disparities.
[7] Based on his body of work, Meyer provided expert testimony related to same-sex marriage in Perry v. Schwarzenegger, and to peer-to-peer violence and bullying before the U.S. Commission on Civil Rights.
Some of his notable publications include: In 2010, Meyer was an expert witness in the Perry v. Schwarzenegger trial, testifying on the mental health impact on gay couples denied the right to marry.