Family Therapy Team

Dr. Keitner is a psychiatrist at Lifespan. He is Professor of Psychiatry in the Department of Psychiatry, The Warren Alpert School of Medicine at Brown University, Providence, Rhode Island.

He completed his psychiatric residency at McMaster University in Canada where he received specialized training in psychopharmacology and family therapy. He worked at Butler Hospital in Providence, Rhode Island from 1980 to 1996 as Director of the Mood Disorders Program and Medical Director for Inpatient Services.  
Dr. Keitner's major research interests are:

  • Psychosocial factors and treatments affecting the course and outcome of major depression and bipolar disorders.  
  • Evaluating the effectiveness and indications for combining psychopharmacology, psychotherapy and family therapy in the treatment of mood disorders.
  • Psychopharmacological treatment trials.
  • The assessment of family functioning and its relationship to the course and outcome of psychiatric disorders.
  • The assessment of family functioning in the community.
  • The assessment of family functioning in patients with depression in different cultures.
  • The effectiveness of disease management models for treatment resistant forms of depression.
  • Simplified multidimensional outcome measures.

Dr. Keitner has published over 120 articles in peer reviewed journals. He is co-author of three books on family functioning and family therapy. He is a frequently invited speaker at national and international conferences and has conducted workshops on family therapy in many different parts of the world. He has received external funding for research from the National Institute of Mental Health (NIMH), foundations and industry.

Richard Archambault, EdD, works with the Family Therapy Program and provides clinical supervision to behavioral health clinicians working at the Children’s Neurodevelopment Center. He specializes in treating children and adolescents with medical and developmental challenges, parenting of young children, parenting of adult children who have difficulty achieving independence, and relationship stress.

Dr. Archambault has been working with families in community and hospital settings for more than 40 years.

Steven J. Barreto, PhD, is a psychologist with Lifespan Physician Group. He specializes in pediatric psychology, ADHD, and disruptive behavior disorders. He is a clinical associate professor of psychiatry and human behavior at The Warren Alpert Medical School of Brown University.  

Dr. Barreto's clinical interests include family and couple therapy for family adjustment, parenting, and parent-child relationships in the context of child or adult psychiatric illness, chronic and acute illness, life transitions, trauma, anxiety, and mood disorders.  His research interests include family therapy, juvenile firesetting, digital citizenship and cyberaggression, and depression in high risk urban communities.

Prior to joining the Family Therapy Program, he spent 20 years at Bradley Hospital working with families and addressing the needs of children with severe emotional disturbances. He is a member of the American Psychological Association.

Jeniimarie Febres, PhD, is a clinical psychologist with the Family Therapy program. She specializes in the treatment of adults in individual, couples, and family therapy. Her research interests include couples and family functioning.

Dr. Febres’ work has been published in many peer-reviewed journals and encyclopedias. She has also served as a reviewer for a number of scientific publications, such as the Journal of Family Psychology and the Journal of Interpersonal Violence. She is a member of the American Psychological Association and the Association for Contextual Behavioral Science.

Abigail Mansfield Marcaccio, PhD, is a licensed psychologist at the Men’s Health Center at The Miriam Hospital and at the Family Therapy Program, where she also directs the Family Therapy Training Program. She treats difficulties in sexual functioning in couples and individuals and helps couples and families cope with adjustment to illness. She also helps couples, families, and individuals with life transitions, couple issues and family functioning of any type. Dr. Mansfield Marcaccio works with men, women, transgender and gender-fluid patients, couples and families. She sees adult patients of any age and welcomes families with children of any age, as long as the patient of record is an adult.

Dr. Mansfield Marcaccio supervises psychiatry and psychology residents in family therapy at The Warren Alpert Medical School of Brown University.  

Dr. Mansfield Marcaccio’s research interests include mood disorders and family functioning, ultra-brief assessment measures for use in routine clinical practice, and more recently, sexual functioning. Her work has been published in many peer-reviewed journals, books and book chapters. She is a member of the American Psychological Association, the Society for Family Psychology, and the International Society for Psychotherapy Research.

Thomas Sheeran, PhD, is a clinical psychologist with the Aging Family and Caregiver Program, the Adult Partial Hospital program at Rhode Island Hospital, and the Family Therapy program

Dr. Sheeran received his PhD in clinical psychology from the University of Virginia. He completed postdoctoral training at The Warren Alpert Medical School of Brown University (clinical research) and at the Institute of Geriatric Psychiatry, Weill-Cornell Medical College (geriatric mental health services).

Donald Testa, Jr., LICSW