By Ben Carey Donaldson, Certified IFS Therapist
(estimated reading time: 7 minutes)
If you've ever sensed that inner life is more layered than most psychological models allow for, you are not alone.
Many people discover Internal Family Systems at a moment when conventional explanations start to feel incomplete. IFS stands apart because it emerged directly from listening closely to lived experience. Tracing its development reveals why it carries both depth and warmth—and why it has quietly become one of the most compelling contemporary approaches to psychological healing.
This article traces the origins and evolution of IFS, from its early insights to its contemporary clinical use, while situating IFS within broader psychological and cultural shifts. For a grounding in what the model actually is, see What Is Internal Family Systems?
Where IFS Comes From
Internal Family Systems (IFS) was developed by Richard Schwartz, a family therapist working in the 1980s with clients experiencing eating disorders and complex emotional patterns. Schwartz noticed something unexpected: his clients repeatedly described their inner experience in relational terms. They spoke about “parts” of themselves that argued, protected, sabotaged, or carried pain—often with remarkable consistency.
Richard Schwartz and the Systemic Insight
Rather than dismissing this language as metaphor, Schwartz took it seriously. Drawing on his background in systems theory, he recognised that these inner dynamics closely mirrored those he observed playing out between family members. Just as families organise around roles, alliances, and protective behaviours, so too did the individual psyche.
“The more I explored, the more their descriptions reminded me of families. Each inner voice was idiosyncratic in character, complete with temperament, desires, and a distinct way of communicating. Moreover, parts had alliances and polarities. We discovered that those who were vulnerable got locked away, or, as I came to speak of it, “exiled.” Others managed the client’s life, while yet others distracted from controversy and pain. Regardless of their role, most parts we met did not trust the client to lead, often believing that she was still young and at risk.”
That insight laid the groundwork for what would later become Internal Family Systems.
Family Therapy Roots
IFS is deeply rooted in Family Systems Therapy. This modality emphasises that symptoms rarely make sense when isolated from relational context. A child’s “problem behaviour,” for example, often reflects a broader systemic imbalance in the family rather than an individual defect. Schwartz gives one example of how this could play out:
[If] parents couldn’t handle their own issues, [then] they [would need] a child as a scapegoat and would, perhaps unconsciously, undermine the therapist’s attempts to help the child because they relied on the child’s symptoms as a distraction. The goal was to help families shift their focus from the “identified patient” to the parents’ troubled marriage, freeing the child from having to protect the parents by being symptomatic.
IFS extends this logic inward.
Instead of asking, “What is wrong with this person?”, the model asks, “How is this internal system organised, and what roles are its members playing?” From the beginning, IFS rejected the idea of a singular, unitary mind and replaced it with a relational, multi-part understanding of inner life. It is, as Schwartz says, “A synthesis of two paradigms: the plural mind, or the idea that we all contain many different parts, and systems thinking.”
This systemic inheritance is one reason IFS feels culturally literate and non-pathologising—particularly to people who already think in relational or ecological terms. Schwartz, again, explains that: “with the view that intrapsychic processes constitute a system, IFS invites therapists to relate to every level of the human system—the intrapsychic, familial, communal, cultural, and social—with ecologically sensitive concepts and methods that focus on understanding and respecting the network of relationships among members.”
Key Milestones in the Evolution of the Model
In its early phases, IFS focused primarily on identifying and working with parts. Over time, Schwartz observed something else: beneath the activity of parts, clients often accessed a distinct state of presence characterised by calm, curiosity, clarity, and compassion.
From Parts to Self
“Everyone has a seat of consciousness at their core, which we call the Self.”
Schwartz named this state the Self, and its recognition marked a major turning point in the model’s development.
The introduction of Self-energy clarified why internal change could occur without force or control. When parts felt met by Self rather than challenged by other parts (such as inner critics or managers), they naturally softened.
The centrality of Self is explored in depth in How IFS Works.
Early Clinical Observations
As IFS evolved, several consistent clinical observations shaped its structure:
- Parts, even those associated with harmful or disruptive behaviour, were always attempting to protect the system.
- Extreme behaviours often emerged in response to exiled emotional pain that had not yet been safely witnessed.
- Change happened most reliably when protectors felt respected rather than overridden.
These observations led to IFS’s defining stance: there are no bad parts. This principle distinguished IFS from models that aim to eliminate symptoms or suppress behaviours, and it remains central to the therapy today.
Integration with Trauma Therapy
In the 1990s and 2000s, IFS increasingly intersected with trauma-focused work. Clinicians noticed that exiles often carried the emotional residues of overwhelming experiences—shame, terror, grief, or abandonment—that the system had learned to contain through protective strategies.
IFS proved particularly well suited to trauma work because it emphasised pacing, consent, and internal safety. Rather than pushing clients into exposure or catharsis, the model allowed protectors to regulate access to traumatic material.
This integration aligned IFS with emerging trauma-informed approaches and laid the groundwork for later dialogue with neuroscience, polyvagal theory, and somatic therapies.
IFS in Contemporary Practice
“IFS is rated effective for improving general functioning and well-being on the National Registry for Evidence-Based Programs and Practices (NREFF) by the Substance Abuse and Mental Health Administration (SAMHSA); and is considered promising for improving phobia, panic, generalized anxiety disorder and symptoms, physical health conditions, and depressive symptoms.”
- Richard Schwartz, Internal Family Systems Therapy
Research and Evidence Base
While IFS developed clinically before being extensively researched, its evidence base has grown steadily. Studies have explored its effectiveness for trauma, depression, anxiety, and chronic health conditions, showing meaningful symptom reduction and improved emotional regulation.
The research reflects what clinicians observed early on: working with internal relationships produces durable change because it reorganises the system rather than targeting isolated symptoms.
Adoption Across Therapeutic Modalities
Today, Internal Family Systems therapy is practiced worldwide and integrated into a wide range of settings. Therapists draw on IFS alongside:
- trauma-focused approaches
- somatic and body-based therapies
- mindfulness and contemplative practices
- attachment-informed work
Key Takeaway
Internal Family Systems therapy developed from clinical observations over decades: that the mind is organised, relational, and responsive to compassion. From its systemic roots through its integration with trauma-informed practice, IFS has evolved into widely praised model honouring the complexity of modern life.
Its continued resonance reflects not only clinical effectiveness, but cultural timing. As more people seek frameworks that respect inner multiplicity while offering genuine integration, internal family systems theory provides a map that feels both humane and precise.
Curious to try it for yourself?
IFS is best understood through experience. I offer online sessions in English and French, supporting clients across Europe and around the world.
Explore whether this approach is right for you. You can book a free initial consultation or get in touch for more information below.
About the Author
Ben Carey Donaldson is a certified Internal Family Systems (IFS) therapist, meditation guide, and group facilitator based in the Fontainebleau–Paris region of France. He supports both English- and French-speaking clients across France, Europe, and internationally. He works with expats, international professionals, digital nomads, and remote workers, and understands the emotional complexity of living and working across cultures. He also works with locals––anyone seeking depth-oriented therapy that integrates psychological clarity with compassion and emotional nuance. His approach is grounded in IFS as a primary modality, informed by somatic awareness, trauma-sensitive practice, and contemplative insight. His practice offers a non-pathologising space for people navigating transitions, identity questions, loneliness, burnout, or the deeper work of reconnecting with meaning and inner coherence.
Frequently Asked Questions
What is the origin of Internal Family Systems therapy?
Internal Family Systems therapy was developed in the 1980s by Richard Schwartz, a family therapist who noticed that clients naturally described their inner experience as made up of distinct “parts.” Rather than treating this as metaphor, Schwartz recognised it as evidence of an organised inner system, which became the foundation of internal family systems theory.
How is Internal Family Systems therapy different from earlier psychological models?
Unlike models that assume a single, unified mind, internal family systems therapy views the psyche as naturally multiple and relational. It focuses on how different internal parts interact within a system, rather than diagnosing or suppressing individual symptoms.
Why does Internal Family Systems therapy resonate in modern psychological practice?
IFS resonates today because it offers a non-pathologising way to understand identity, contradiction, and emotional complexity. As people navigate multiple roles, cultures, and internal conflicts, internal family systems theory provides a coherent framework that respects complexity while supporting integration.
How did family therapy influence the development of Internal Family Systems?
Internal Family Systems is rooted in family systems therapy, which understands symptoms as expressions of relational dynamics rather than individual defects. IFS extends this logic inward, treating inner distress as the result of systemic imbalance among parts rather than personal failure.
Is Internal Family Systems therapy trauma-informed?
Yes. Over time, internal family systems therapy became closely aligned with trauma-informed approaches because it allows protective parts to regulate access to painful emotional material. This emphasis on safety, pacing, and consent makes IFS especially suitable for working with trauma.
Related Articles
What is Internal Family Systems (IFS)? - A Definitive Guide
How IFS Works: Parts, Protectors, Exiles, and Self-Energy
References & Further Reading
https://ifs-institute.com/resources/articles/internal-family-systems-model-outline
1. No Bad Parts — Richard C. Schwartz, PhD (2021)
2. Internal Family Systems Therapy (2nd Edition) — Richard Schwartz & Martha Sweezy (2019)
3. Introduction to the Internal Family Systems Model — Richard Schwartz
4. Greater Than the Sum of Our Parts — Richard Schwartz