Inclusion Criteria:

• Must be male-identifying or prefer to be in a male-identifying group;
• Must be a resident of Washington state;
• Must be court-referred to a treatment program for using violence with an intimate partner;
• Have sufficient English fluency and literacy skills to understand the consent process, procedures and questionnaires and have the ability to provide written informed consent;
• Have access to the internet and an electronic device with adequate data capacity; to complete questionnaires online and attend online video conference groups;
• Must be available and willing to attend at least 17 out of 20 scheduled online group sessions; and
• Must be available and willing to complete the online computerized assessments, and phone interviews.

Exclusion Criteria:

• Insufficiently stable housing or internet connection to be able to join at least 17 group sessions;
• Current participation in another experimental research study;
• Expected medical hospitalization in the next six months from study enrollment period;
• Current or expected physical incarceration (excluding house arrest or other forms of electronic monitoring) in the next six months from study enrollment period;
• Inpatient hospitalization for mental health, substance use, suicide attempt or self-harm within past three months;
• Inability to participate safely in the study intervention and without disrupting the group (in the opinion of principal investigator OR meeting any of the following criteria)
• Past year history of a psychotic disorder or clinician confirmed active psychosis assessed by the Structured Clinical Interview for DSM-5 (SCID-5);
• Bipolar I disorder history or current severe level of mania assessed by the Structured Clinical Interview for DSM-5 (SCID-5);
• Acute suicidality with intent will be excluded from the study (Structured Clinical Interview for DSM-5 [SCID-5]);
• High levels of Psychopathy as defined by self-report psychopathy checklist (SRP-4);
• Self-injurious behavior in past three months will require clinical assessment prior to participation in the program;
• Acute homicidality with plan and/or intent;
• Inability to join a group without intoxication.
• Prior experience or exposure with Internal Family Systems (e.g. IFS therapy, IFS groups or retreats, current IFS practice, etc.)