678-825-2320 Ext. 935
678-825-2320 Ext. 935


  • 1995: Received MS, EdS and Certification in School Psychology from USF
  • 1994/1995: NASP Accredited Internship with Hillsborough County Schools, Tampa, Florida
  • 2001: 0btained License as a School Psychologist in the state of Florida
  • 2009/2010 Completed APA Accredited Doctoral Internship/Residency at Florida State University
  • 2010: Received PhD from FSU
  • 2010/2011: APA Accredited Post Doctoral Fellowship at Georgia State University
  • 2011: Obtained License to practice in the State of Georgia
  • 2013: Certified as a Distanced Credentialed Counselor
  • 2019: Completed BTTI Certification (general) by the IOCDF to provide ERP to treat OCD
  • 2020: Completed SPACE (Supportive Parenting for Anxious Childhood Emotions) training
  • 2020: PSYPACT (The Psychology Interjurisdictional Compact) approved to offer Telepsychology to all PSYPACT states (click here to see if your state is included)
  • July 2021: Appointed Clinical Director of Anxiety Specialists of Atlanta


Theresa Welles, PhD, is a Licensed Psychologist and Clinical Director of Anxiety Specialists of Atlanta. She specializes in treating Trauma and Stressor-Related Disorders, obsessive compulsive disorder and other anxiety disorders such as specific phobiaspanic disordersgeneralized anxiety disorderseparation anxietyhealth anxiety, and related mood disorders. Dr. Welles uses evidence-based treatments including Cognitive Behavioral Therapy (CBT)exposure therapies (E/RP, PE), and Mindfulness and Emotional Regulation strategies for anxiety and other stress-related issues that interfere with a person’s relationships, work or school, and life satisfaction.

Dr. Welles has over 20 years of professional experience in a variety of settings, ranging from school systems and universities, to medical facilities and private practice, making her uniquely qualified to work with children, adolescents and adults. Dr. Welles tailors treatment to each individual client, providing a nurturing environment to try out new ways of thinking, feeling, and being.  She helps clients overcome fear, strengthen reasoning and problem-solving skills, and increase independence and self-confidence.

In addition to her clinical work, Dr. Welles has been actively involved in leadership and advocacy roles. She received a Gubernatorial appointment to the board of directors for Florida Health Choices, Inc., by the Governor of Florida.  She has held leadership positions that made her responsible for overseeing clinical services in both university and medical settings.  She is dedicated to supporting the success of future professionals in the field of psychology and has coordinated training and supervision programs at Universities, in Florida and Georgia.  Her research and training experiences have ranged from co-authoring empirical studies of factors involved in academic and career success for individuals with Anxiety, ADHD and Learning Disabilities, to obtaining certifications in Acceptance Commitment Therapy (ACT), CBT and mindfulness.  She enjoys clinical consultation with other medical professionals, and has provided a number of presentations on topics ranging from Suicide Prevention (Florida State University) to Group Psychotherapy (Georgia Psychological Association).              

Originally from New York and Florida, Dr. Welles has lived in Georgia since 2010.  She currently resides in Alpharetta, with her husband and children.  Her passions include college football and music concerts, as well as traveling, reading, attending the theater, and visiting museums.  Dr. Welles spends her free time with loved ones or do anything that allows her to be outdoors, and her favorite way to blow off steam is with spin class, yoga or kickboxing (depending on her mood).