Our Maui Team of Professionals & Experts

Gabrielle Galler-Rimm, M.D.

Developmental • Behavioral Pediatrics Pediatrician

Fellow, American Academy of Pediatrics

Dr. Gabrielle Galler-Rimm (“Dr. Gabi”) is a pediatrician who completed a fellowship in Developmental and Behavioral Pediatrics at the Children’s Hospital of Philadelphia. She has 25 years of national and international experience in diagnosing, consulting, providing treatment, and leading treatment teams for psychiatric, behavioral and developmental disorders. Her primary interest is in clearly defining the specific needs of each child/adolescent and family and working to empower her patients and families to access an array of services and supports to ensure the best possible outcomes. She is the sole Developmental and Behavioral Pediatrician on Maui and one of only several in the state of Hawaii. She is fluent in English and Spanish.

Specializing In:

  • Applied Behavioral Analysis
  • Autism Spectrum Disorders
  • ADHD and Disruptive Behavior Disorders
  • Various Mental Health and Behavioral Conditions
  • Learning Disorders
  • Youth in transition to adulthood
  • Intellectual disabilities
  • Other Developmental Disorders and Concerns
  • Behavior Based Individual and Family Therapies
  • Psychopharmacological Treatments

Michael Rimm, M.D.

Child • Adolescent • Adult Psychiatry

Fellow, The Royal Australian and New Zealand College of Psychiatrists (1999-2011)

Dr. Michael Rimm is a Child, Adolescent, and Adult Psychiatrist who has been in practice for 30 years and has been living and working on Maui for close to 17 years. His “whatever it takes” perspective as a facilitator of change has led him to many years of gratifying successes. Dr. Rimm has the expertise to implement specific evidenced based therapies in combination with medications and alternative practices when indicated. In his holistic approach to effecting positive change in the lives of his patients, he helps identify the unique opportunities for each situation which often leads to a focus on a “much broader canvas.” He aids those seeking more joy and celebration in life and specializes in most psychological and medical conditions that influence emotional pain, suffering, and poor performance. He has had much success helping his patients avoid hospitalization or residential treatments.

He is a Clinical Assistant Professor at the University of Hawaii John A. Burns School of Medicine where he was voted outstanding teacher 2005-2006. He has presented at many local, state, and international mental health meetings. He is fluent in English and Spanish.

He and his wife, Dr. Gabi Galler-Rimm, Developmental/Behavioral Pediatrician, currently run Galler Rimm Behavioral Health Services, Autism Specialists of the Pacific and Michael Rimm Consulting.

Prior to moving to Maui in 2002, Dr. Rimm was the Clinical Director of the only public Child Adolescent Mental Health Agency in South Auckland New Zealand.

In 2002 he was recruited by the Hawaii Department of Health, Child Adolescent Mental Health Division to serve as Clinical Director of the Maui Family Guidance Center. While there he led a team that had much success in helping families, the DOE, and the community with treatments that would maintain high risk youth in their homes and community while simultaneously reducing the cost of care for each youth
He specializes in:
Depression/Mood Disorders
Anxiety Disorders
ADHD and Disruptive Behavior Disorders
Youth in transition to adulthood
Eating Disorders and Psychosomatic Conditions
Self Harm and Suicidal Behavior
Psychotic Disorders
Other Mental Health Concerns
Individual, Family, and Marriage Therapies
Psychiatric Medications
Life Coaching


Certified Therapy Dog

Moana is GRBH’s Certified Therapy Dog. She has passed her Canine Good Citizen (CGC) and is certified by the American Kennel Club (AKC). Therapy animals are known to aid in relaxation. Learn more about Animal Assisted Therapy.