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B.S. Psychology, minor in Health Science

Clemson University


M.S. Kinesiology, emphasis in Sport Psychology

Georgia Southern University


Ph.D. Counseling Psychology and Human Systems

Florida State University


Pre-Doctoral Internship

Michael E. DeBakey VA Medical Center

Houston, TX


Post-Doctoral Fellowship in Forensic Psychology

Brown, Nelson, Frank, Giles, Moore & Associates

Houston, TX



Dr. Cassandra Smisson Hayes


Dr. Cassandra Smisson Hayes is a licensed psychologist by the Texas State Board of Examiners of Psychologists. She is trained as a generalist in Counseling Psychology and has been providing therapy and psychological assessment services in a variety of settings for the last 10 years, including private practice, hospitals, inpatient psychiatric facilities, jails, community clinics, schools, and a university career center. Her therapeutic approach is generally cognitive-behavioral in nature, as well as interpersonally-oriented, depending on client needs. She also uses her expertise in sport and exercise psychology and fitness to offer a holistic approach to psychological wellness. 


As a private practice psychologist, her work involves the treatment and assessment of many types of psychological difficulties, including but not limited to: depression, anxiety, posttraumatic stress disorder, autism spectrum disorders, attention deficit-hyperactivity disorder (ADHD), substance use disorders, interpersonal and relationship problems, sexual disorders, grief and loss, and adjustment to medical disorders. She also has specialized knowledge and skills in forensic psychology and sport and exercise psychology. She is licensed as a Sex Offender Treatment Provider (LSOTP) in the State of Texas. She has been a guest speaker for various organizations and events, including the Harris County Public Defenders Office and for members of the Houston defense bar.

In addition to her professional work, Dr. Hayes has enjoyed working as a part-time group fitness instructor for indoor cycle/spin classes, where she enjoyed using her expertise as a sport and exercise psychologist in a coaching setting. She has also enjoyed giving back to the community as a committee member for the Friends of St. Jude-Houston Chapter, a local organization that raises money for St. Jude Children’s Research Hospital and the fight against childhood cancer and other catastrophic illnesses. She has also served as President and Vice President of the Houston Clemson Club, the alumni association for local alumni and friends of Clemson University. In her leisure time, she enjoys spending time with her husband, child, and dogs. She is a sports enthusiast and a Clemson athletics fanatic (GO TIGERS). She loves travel and exploring Houston's expansive restaurant scene.

Ms. Shannon Khan


Shannon Khan is a Licensed Professional Counselor and a Licensed Psychological Associate. She obtained her graduate degree from Houston Baptist University and has worked in the private clinical setting for over 15 years. She is notably experienced in providing psychological evaluation services to include clinical, psychosocial, psychoeducational, and court-ordered. She provides psychological services to individuals, families, and groups, specializing in trauma work and holistic wellness. She has been contracted with the Department of Family and Protective Services with the state of Texas for many years and has also worked extensively as a clinical case manager. Her therapeutic approach is a blend of cognitive-behavioral, trauma-focused, interpersonal, and solution-focused therapy. Her experience and training includes areas such as abuse/trauma, anger management, disruptive behavior disorders, ADHD, learning disabilities, depression, anxiety and mood disorders, cultural trends in psychology, and family systems dynamics.

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