Dr. Polo has been involved in school-based research for the past 15 years, primarily working with urban youth of African American and Latino backgrounds. His interests include understanding the social and cultural factors involved in the manifestation of youth internalizing and externalizing problems, particularly in immigrant and linguistic minority populations. His research also focuses on the delivery of evidence-based treatments for youth depression in community and practice settings and the retention and engagement of youth and their families in mental health care.