Dr. Hessler is the founder and director of The MINDset Center. She has been in private practice for over fifteen years. She specializes in the identification and treatment of anxiety disorders, attention deficit-hyperactivity disorder, depression, and behavioral disorders. Dr. Hessler is trained in cognitive-behavioral and applied behavioral therapy for the treatment of children, adolescents, and adults. She uses a comprehensive approach in working with clients. After a thorough diagnostic interview, clients collaborate with Dr. Hessler to create a treatment plan that target specific symptoms.

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In addition to her therapy practice, Dr. Hessler has been an affiliate member of the faculties at Towson University and Loyola University in Maryland and has taught psychology courses both the undergraduate and graduate levels. In recent years, she has worked with youth and professional athletes and consulted with sports programs to create healthy environments for athletic development. She developed a pilot therapeutic program for athletes and staff at Towson University’s Sports Medicine Department, promoting mental health wellness for students. In 2021, Dr. Hessler and her colleague Casey Kutner launched the Person Before Player Program, which educates athletes, parents, and coaches on mental health and resilience building for overall well- being.

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Dr. Hessler frequently presents locally and around the country on topics regarding anxiety and behavior management. Dr. Hessler also volunteers her time as a member of the Local Management Board of Harford County, Point of Light, and Advisory Board for the College of Arts and Sciences at Loyola University in Maryland. She recently served as the President of the Maryland Psychological Association and remains active in the organization.