Our Team

Jay Daniel Duhon, PhD and Gary B. Rochelle, PhD

Our Founders

Dr. Duhon is a Licensed Psychologist in the State of Texas working in the areas of Neuropsychology and Rehabilitation for more than 20 years. His area of focus has been working with people with neurologic disease or injury such as Traumatic Brain Injury survivors, Brain Tumor survivors, Dementia, Parkinson’s disease and Epilepsy as well as other people with orthopedic issues resulting in chronic pain or complex medical issues.  Dr. Duhon began his career at focusing on Traumatic Brain Injury and Stroke Rehabilitation.  He went on to direct both an inpatient TBI unit as was as subsequently running a community re-entry program that included back to school and back to work components in Dallas. Dr. Duhon moved to Fort Worth to manage the psychology department for an inpatient rehabilitation hospital before moving to Plano in the same capacity.  Dr. Duhon is on staff as a consulting psychologist at many local acute medical hospitals, long term acute care hospitals, inpatient rehabilitation hospitals and skilled nursing facilities. 

Dr. Rochelle is a Licensed Psychologist in the state of Texas. He received a Bachelor of Arts Degree in Psychology from California State University at San Bernardino in 1982. He received a Master of Science Degree in Psychology from the University of North Texas in 1995. He received a Doctorate of Philosophy in Counseling Psychology, with an emphasis in both Neuropsychology and Marriage and Family Therapy, from the University of North Texas in 2000. He completed an internship in Clinical Neuropsychology at the Veterans Administration Medical Center in New Orleans, Louisiana. He completed a post-doctoral fellowship in Clinical Neuropsychology at the University of Texas Southwestern Medical Center in Dallas.  He is a consultant, providing psychological and neuropsychological services at a number of local hospitals. He maintains clinical privileges at six hospitals and has also been a mentor and externship supervisor working with the University of North Texas’s psychology graduate students for a number of years.



Lauren Jackson, PhD


Dr. Lauren Jackson is a licensed psychologist. She received her bachelor’s degree in psychology at Southern Methodist University, and she completed her doctorate in clinical psychology at the University of North Texas. She completed her internship at the Dallas Veterans Affairs Medical Center and her post-doctoral training at DR Associates of North Texas where she continues to practice. Dr. Jackson’s clinical work is guided by an integrated theoretical orientation, emphasizing the interpersonal process and therapeutic relationship as well as incorporating techniques primarily from a cognitive-behavioral (CBT) perspective.

Dr. Jackson is currently a consultant, providing psychological and neuropsychological evaluations at local rehabilitation hospitals, long-term acute care hospitals, and assisted living facilities.


Stephen Chock, PhD


Stephen Chock, Ph.D. is a neuropsychologist with over 35 years of experience in counseling and assessment of neurologic and personal functioning.  he practiced rehabilitation neuropsychology on the brain injury unit at Baylor Rehab-Dallas for over 17 years.  he has taught and supervised counselors-in-training at the Minirth-Meier Clinic and Dallas Theological Seminary since 1989.  As a Medicare and Health & Behavior provider, he also consults at churches, universities, and nursing & rehabilitation facilities in the Dallas-Fort Worth area.  He also provides adult outpatient therapy in our offices at DR Associates of North Texas.

A former track and cross country coach, Dr. Chock was born and raised in Hawaii where he began his career as a drug education counselor in the public schools.  He interned at Minneapolis VA Medical Center and performed his externships and residencies at St. Cloud VAMC and Ohio State University Hospital's brain injury rehabilitation unit while completing his PH.D. in Counseling Psychology at Ohio State University.  In 1988, he moved to Dallas to help plant LifePoint Church in Plano, where he serves as counseling pastor.

Learn more about Dr. Chock at PsychologyToday.com.


Lauren Fuller, PhD


Dr. Lauren Fuller is a licensed psychologist in the state of Texas specializing in neuropsychology and rehabilitation. Dr. Fuller received a bachelor's degree in psychology at The University of Mary Washington in Fredericksburg, Virginia and completed her doctorate in counseling psychology at the University of North Dakota. She completed her APA-accredited internship at the Topeka Veterans Affairs Medical Center and completed her post-doctoral training in neuropsychology under the supervision of Dr. Jay Duhon and Dr. Gary Rochelle, the founders of DR Associates of North Texas.

Dr. Fuller's theoretical orientation is based on a holistic approach to clients that integrates aspects of cognitive behavioral and solution-focused therapy.  She has extensive experience working with older adults, PTSD, and affective disorders.  Dr. Fuller also administers psychological and neuropsychological testing for a comprehensive range of conditions, including dementia, strokes, traumatic brain injury, ADHD, and personality disorders.  In addition, she provides consultation services to long-term acute care hospitals, skilled nursing facilities, and acute rehabilitation hospitals.

Personally, Dr. Fuller enjoys running and outdoor activities such as hiking and fishing with her husband.


Nicole Grandjean, PhD

Nicole Grandjean, PhD graduated with honors in 2004 from The University of North Texas and has 13 years of diverse experience as a Clinical Psychologist.  Dr. Grandjean specializes in the diagnosis and treatment of Post Traumatic Stress Disorder (PTSD). Dr. Grandjean offers outpatient PTSD therapy programs and psychological/neuropsychological testing at our offices at DR Associates of North Texas.


Contact Us

DR Associates of North Texas
2301 Ohio Drive, Suite 130
Plano, TX 75093
Telephone: 972-612-1305
E-mail: info@drassociatesntx.com