A CSAT therapist is a Certified Sex Addiction Therapist, a licensed mental health professional who has completed specialized training in treating compulsive sexual behaviors. The credential is granted by the International Institute for Trauma and Addiction Professionals (IITAP) and requires at least five years of clinical experience, a master’s degree or higher, and completion of a rigorous four-module training program. If you’ve come across this title while searching for help with problematic sexual behavior, either your own or a partner’s, here’s what the credential actually means and what working with one looks like.
What the CSAT Credential Requires
CSAT is not a therapy license on its own. It’s an additional certification layered on top of an existing mental health license. Every CSAT therapist is already a licensed counselor, psychologist, social worker, or marriage and family therapist before they begin IITAP’s program.
The training itself consists of four modules, each worth 30 continuing education credits plus 2 ethics credits. Between modules, candidates must complete supervised clinical hours with an approved CSAT supervisor: at least 8 hours before the third module and at least 15 hours before the fourth. After finishing all four modules, candidates complete any remaining supervision requirements and submit a final evaluation from their primary supervisor. The entire process typically takes well over a year.
Once certified, a CSAT must renew every two years. Renewal requires 15 continuing education credits, a $200 fee, current license verification, and a reaffirmation of IITAP’s ethics standards, including disclosure of any legal or professional actions that could affect their ability to practice.
How CSAT Therapy Works
CSAT therapists use a structured recovery framework known as the 30-Task Model, originally developed by psychologist Patrick Carnes. The model breaks recovery into phases, reflecting the reality that working through compulsive sexual behavior typically takes three to five years.
The first phase focuses on early recovery. The initial seven tasks are designed to help you move past denial and build a foundation for change. In practical terms, this means sharing your struggles openly with a therapist, identifying the specific triggers and patterns behind the behavior, establishing clear boundaries for sobriety, and connecting with a support group. This phase is about getting honest with yourself and building a safety net.
Later phases shift to deeper internal work and external repair. Internal tasks address the underlying emotional wounds, thought patterns, and relational dynamics that fuel compulsive behavior. External tasks focus on rebuilding trust, repairing relationships, and developing a sustainable, long-term plan for healthy sexuality. The model is task-based rather than time-based, meaning you move through it at your own pace based on the work you complete, not a set calendar.
What a First Session Typically Covers
A CSAT therapist will usually begin with a thorough assessment of your sexual behavior history, looking for patterns of escalation, loss of control, and consequences you’ve experienced in relationships, work, or finances. They’ll also assess for co-occurring issues like depression, anxiety, trauma history, or substance use, since these frequently overlap with compulsive sexual behavior.
From there, you’ll typically work together to define what sexual sobriety means for you specifically. Unlike substance addiction, where the goal is total abstinence from a drug, sexual recovery involves distinguishing between healthy sexual expression and the specific behaviors causing harm. That boundary looks different for each person, and a CSAT is trained to help you draw it clearly.
CSAT vs. CPTT: Who Treats Partners
If you’re the partner of someone with compulsive sexual behavior, a standard CSAT may not be the best fit. IITAP offers a separate credential called the Certified Partner Trauma Therapist (CPTT), designed specifically for clinicians who work with partners experiencing betrayal trauma. CPTT therapists hold the same baseline qualifications (five or more years of clinical experience, a master’s degree or higher, and a current mental health license) but their training focuses on the unique emotional fallout partners face: shock, grief, hypervigilance, and the process of deciding whether and how to rebuild trust.
Some therapists hold both credentials, which can be useful for couples work. But if you’re seeking individual therapy as a partner, look specifically for the CPTT designation rather than assuming any CSAT will address your experience adequately.
How to Verify a CSAT’s Credentials
IITAP maintains a public “Find a Therapist” directory on its website. Every therapist listed is either actively certified or a candidate still in training, and all are in good standing with the organization. The directory distinguishes between these two statuses, so you can tell whether someone has completed the full program or is still working through it.
IITAP also encourages you to independently verify a therapist’s underlying state license. The CSAT credential doesn’t replace licensure, and a therapist who has lost their clinical license cannot ethically practice regardless of their IITAP certification. Your state’s licensing board website will have a searchable database where you can confirm an active, unrestricted license.
Is a CSAT Right for You
A CSAT therapist is worth seeking out if your sexual behavior feels out of control in a way that’s affecting your relationships, career, finances, or emotional well-being. General therapists can certainly help with many of these issues, but they often lack the specific training to assess compulsive sexual patterns, understand the shame dynamics involved, and guide you through a structured recovery process. The CSAT credential signals that a therapist has invested significant time learning these particular skills.
That said, the credential is one data point, not a guarantee of quality. Therapeutic fit still matters enormously. Many people meet with two or three therapists before finding someone they connect with. The CSAT directory is a useful starting point for narrowing your search to professionals with relevant training, but trust your own sense of whether you feel safe and understood in the room.