GREG MULLER, PH.D.
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What I do

Clinical Approach:
​

​My approach to therapy is significantly based on the use of evidence-based interventions for a variety of conditions. This mainly includes: cognitive-behavioral therapy (CBT) and acceptance and commitment (ACT) models of treatment.

This includes:

-Cognitive behavioral therapy (CBT)
-Acceptance and Commitment Therapy (ACT)

-Exposure-response prevention (ERP/ExRP)
-Prolonged Exposure (PE) Therapy
-Cognitive Processing Therapy (CPT)
-Written Exposure Therapy (WET)

-Habit-Reversal Therapy (HRT)
-Mindfulness-based interventions 
-Motivational interviewing (MI)


🌟Certifications

-Prolonged Exposure (PE) Therapy - effective Spring 2025
-Cognitive Processing Therapy (CPT) - effective 08/24/2026


Primary Roles - mainly at UT Health Austin:

-Outpatient therapist: Adult Psychiatry Clinic
-Outpatient therapist: Trauma Recovery & Research Clinic (TRRC)
-Psychotherapy Training Supervisor/Lecturer: PGY-2 psychiatry residents
-Psychedelic-Assisted Therapy: COMPASS Pathways psilocybin clinical trials
-Evaluator: Comprehensive Diagnostic Evaluation Program
-Project Coordinator/Lecturer: NIH-funded Ukraine trauma project

Secondary Roles


-Volunteer: The Living/Dying Project 


SPECIALTY AREAS:

Anxiety & OCD 😰
• Obsessive-compulsive disorder (OCD)
• Anxiety disorders
• Body Dysmorphic Disorder (BDD)
• Panic Disorder
• Phobias

• Needle phobia (trypanophobia)
• Fear-of-Flying (
aerophobia)
• Selective Mutism

• Perfectionism
• Perinatal OCD
• Scrupulosity
• Violent/Sexual Obsessions

Trauma 💔
• PTSD and stressor-related disorders
• Grief
• Medical trauma/life-threatening illness

Behavioral & Habit Disorders 💫
• Tics/Tourette's
• Skin Picking
• Trichotillomania
• Misophonia

Other Areas 
• Emerging adulthood
• Men's mental health


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  • Home
  • About
  • Clinical Approach
  • Research
  • Offerings & Workshops
  • Resources
  • Vitae
  • Contact