Mariposa Therapy & Assessment, PLLC

Marta J.L. Miranda, Psy.D., Clinical Psychologist


Born in Lisbon, Portugal I was raised in Portugal and the U.S. Prior to becoming a clinical psychologist, I worked as an international policy analyst, traveling throughout Latin America, Asia, and Europe. I also lived in Brazil for a year, and worked with environmental groups in Venezuela. I am fluent in Spanish and Portuguese. I received my bachelor's degree in Geography from the State University of New York, College at Geneseo, and my master's degree from the San Diego State University.

I obtained my Doctor of Psychology degree from the George Washington University in Washington, DC, where I was trained in psychological assessment and traditional psychodynamic therapy technique. I completed training practica at an inner-city, residential substance abuse treatment facility, and at a private practice providing psychological assessment services for immigrants seeking legal status in the U.S. I subsequently moved to Seattle to complete an internship and post-doctoral fellowship at the Fremont Community Therapy Project in Seattle.

I am the Washington State representative to the American Psychological Association's Council of Representatives, the association's governing body. I was elected to be the Early Career Representative to the APA Council Leadership Team, a position I will occupy from 2018-2020. I am also a member of APA Divisions 56 (Trauma), 35 (Psychology of Women), 44 (Society for the Psychological Study of Lesbian, Gay, Bisexual, and Transgender Issues), 45 (Society for the Psychological Study of Ethnic Minority Issues), and 52 (International Psychology).

Please consult my curriculum vitae for further information about my background.


Roxie is a Shetland Sheepdog (Sheltie) who was previously a show dog, having earned one "Major" title and birthed four litters of Sheltie puppies. Now in her golden years of retirement, Roxie is enjoying her new role as therapy dog in the office. She has attended Basic and Advanced Obedience Training and is certified as a Canine Good Citizen. She likes to sit next to clients and loves to be pet on her forehead. On occasion, she may raise a paw to ask for more!

Roxie will be in the office for most therapy sessions, but she does not need to be present during your session. If you would prefer that she not be with us, please let me know prior to your first appointment.