Learn the Art of Inner Parts Work & Self-Led Transformation
Have you ever watched someone struggle with shame, doubt, or inner contradictions? That might be a friend, a partner, or a client.
One moment they want change, the next they're defending the very pattern that's hurting them. You can feel there are different voices at work inside them, but you don't yet have the language or tools to bring those voices into the room.
These are the moments that matter. Worked with skill, the internal conflict becomes the doorway. Worked without it, you end up debating the surface while the real movement stays locked underneath.
Maybe you're the friend people come to when they're stuck between what they want and what keeps stopping them. You hear the push and pull. You sense the younger self under the anger, the protector behind the perfectionism, the exile hiding behind the critic.
Traditional therapy often treats the person as a single unified mind that needs to think differently. But the personality isn’t a single unified entity. We're an internal system: a Self, and the parts that organized themselves around old wounds to keep us safe. Real change happens when those parts feel seen, acknowledged, and tended to.
The Parts Therapy Training is about learning to work with the inner system directly. You'll learn trauma-informed tools drawn from Internal Family Systems and the Bridging framework, including:
Mapping the Internal System
Working with Protectors Before Exiles
Unblending & Accessing Self-Energy
Speaking For Parts (Not From Them)
Witnessing, Unburdening & Integration
Holding Polarized Parts Without Taking Sides
This training asks you to do the work on your own system first, because you can only take someone as deep as you've gone yourself. Then you'll learn to guide it for others under the supervision of experienced practitioners.
Join our weekly info call: Every Wed. 11AM PST
Weekly Info Call: Clinical Certifications
Learn about all our certifications on our weekly info call.
Transform Shame Into Growth
Parts Therapy helps individuals compassionately engage all parts of themselves and “unburden” shamed parts so they can reintegrate into a harmonious inner-relationship.
Work With Therapists
You’ll be mentored by practicing therapists, helping you develop the skills to hold professional space using a parts approach.
Program Overview:
Prerequisites: none
Certification: Parts Therapy Practitioner™
Online Training with self-paced & live Zoom session. View our training calendar for live session times.
5 months, 4-5 hours weekly
For the full curriculum outline and live session schedule, request more info to receive our PDF.
Key Considerations:
$2,950. Payment plans are available. ($583 / month)
All credit hours apply towards our degree programs.
Integrative Psychology is an approved secondary education provider with the Integrative Therapists Association™ (ITA). ITA is an independent credentialing body that approves standards for mental health practitioners and educators in somatic, body-based, and alternative mental health practice. Integrative Psychology has been approved to provide up to 400 hours of professional training, meeting the secondary education requirements for the Certified Integrative Therapist (CIT) credential.
For more information, visit itatherapy.org.
4-day in-person intensive retreat
Come learn with us in person twice a year in Phoenix, Arizona. All students receive access to our in-person immersions, where we prepare to launch group somatic healing containers.
In-Person Immersion Module
June 3-7, 2026 | Phoenix, AZ
December 2-6, 2026 | Phoenix, AZ
Course Instructors & Mentors
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Tisha Shull, LCMHC
Lead Parts Therapy Instructor
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Niki Wikstrom
Integrative Therapist
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Mollie Mendoza
Founder
ENROLL NOW
Start your training journey with us.
Enrollment Includes:
Asynchronous content and 14 live sessions over 5 months.
Clinical Certification as a Parts TherapyPractitioner™
1 year of free access to our Group Therapy Platform
6 credit hours ($3,120 savings) towards our MA Degree.
Option 1: Pay in full
$2,950
$550 Discount
Payment Plan: 3 Months
$1,066 x 3
$3,200 total
Payment Plan: 6 Months
$583 x 6
$3,500 total