Profile

Role: Assistant Professor

Education: Dr. Orellana's experience includes direct clinical practice with individuals in community mental health clinics, psychiatric hospitals and homeless shelters. He has conducted street outreach for persons with chronic psychiatric disorders and co-occurring substance abuse. He also worked as a therapist in an HIV prevention clinical trial that sought to reduce high risk behaviors among men who have sex with men (MSM) at risk for HIV infection. His research experience includes an epidemiologic study of family violence in Lima, Peru; HIV prevention randomized clinical trials in Seattle, WA and New York City; a study of the efficacy of a brief HIV/STI behavioral intervention implemented by outreach teams in Peru; a mixed-methods study related to indigenous sexual health in the Peruvian Amazon jungle; and other studies in the areas of mental health, homelessness and prevention science. Dr. Orellana received a BA in Psychology, a Master of Social Work (Mental Health), a Master of Public Health (Social and Behavioral Sciences) and a Graduate Certificate in Global Health from the University of Washington. He also received a Master of Philosophy and a Doctorate of Philosophy (PhD) from Columbia University. He is an Assistant Professor in the School of Social Work at Portland State University and a Visiting Associate Research Scientist at Columbia University's Social Intervention Group. 

Experience: Dr. Orellana's experience includes direct clinical practice with individuals in community mental health clinics, psychiatric hospitals and homeless shelters. He has conducted street outreach for persons with chronic psychiatric disorders and co-occurring substance abuse. He also worked as a therapist in an HIV prevention clinical trial that sought to reduce high risk behaviors among men who have sex with men (MSM) at risk for HIV infection.

Interests: Global Health/Mental Health, Prevention Research, Intervention Research, HIV and Other Sexually Transmitted Infections, Family Violence, Substance Abuse, Psychiatric Epidemiology.

Teaching Areas: Research Methods and Data Analysis.