[2] Lillian Comas-Díaz was born in Chicago, Illinois, though at the age of six she moved to Puerto Rico, where both her parents are from.

Much of her work has been to help guide representation and services, and she does so having recognized the limitations of psychology in serving such communities and as being ethnocentric.

[5][9] She credits growing up mixed race as having an impact on her personal and professional development as a clinical, feminist, and ethnocultural psychologist.

[9] Comas-Díaz has published works related to racial trauma and how to address it from ethnocultural and multicultural standpoints.

[11] Multicultural Care in Practice is another APA training video in which she discusses the importance of cultural competency in informing therapeutic relationships and demonstrates this approach.

[12] Many of her academic articles also explore ethnocultural and sociocultural approaches to therapy, Latinx identity and healing, and feminism.