Dr. Claire Dumke, Psy.D., is a Licensed Clinical Psychologist with 20 years of experience working with children, adolescents and adults with Autism Spectrum Disorders (ASD) and other developmental disabilities.Dr. Dumke also treats children and adults with mood disorders including depression, anxiety, and Bipolar Disorders, ADHD, trauma, behavioral issues and family issues. Dr. Dumke is both a clinician and the executive director of Insights, PC offering diagnostic and psychological evaluations as well as individual, family and group therapy. Dr. Dumke received her BS in psychology from Colorado State University and holds both a masters and a Doctorate in Clinical Psychology with a focus on child and family studies from Alliant International University in Southern California.

Throughout her training and career, Dr. Dumke has worked for The Children’s Hospital as a psychologist on the Neuropsychiatric Special Care Unit specializing in inpatient and day treatment for children with ASD, with children and adolescents in residential treatment facilities and therapeutic group homes, as a Court Appointed Special Advocate (CASA), and as a psychotherapist at a mental health hospital in Southern California. In her free time, Dr. Dumke enjoys spending time with her spouse and two young daughters, going to the mountains, practicing yoga, and working in her garden. She is actively involved in the autism and adoption communities in Colorado.

*Dr. Dumke is in network with Anthem BCBS, Kaiser, and Health First Colorado Medicaid. She also accepts PASA/CCB and DVR funding as well as private pay.


Dr. Nancy Cason, Psy.D., BCBA is a Licensed Clinical Psychologist specializing in working with children, adolescents, and adults with Autism, Asperger’s and other developmental disorders in Denver, Colorado.  She received her BA in psychology from the University of South Carolina in 1990, and then received her MA and Psy.D. in Clinical Psychology at the California School of Professional Psychology (1994; 1998).  Her professional experience includes work at residential therapeutic facilities, consultation to group homes and a day treatment program for adolescents and adults with Autism and other developmental disabilities.  She helped to develop a school for children with Autism in Maui, Hawaii.  Dr. Cason provided supervision of home and school based intensive Applied Behavior Analysis programs and was the Director of Family Services at the Center For Autism, Research, Evaluation and Service (CARES) in San Diego, California through 2004.  She was also member of the multi-disciplinary diagnostic team at Creative Perspectives, Inc., in Englewood, Colorado from 2005 through 2009.Dr. Cason has provided clinical supervision to Masters and Doctoral Level therapists working with children with Autism.

Dr. Cason has extensive experience in diagnosis, assessment, and treatment of Autism, Asperger’s and other developmental  disabilities.  Her professional accomplishments include publications as well as public speaking on topics related to Autism Spectrum Disorders.  Dr. Cason has practiced in Denver since 2005 and is the clinical director of Insights, PC. In her free time, Dr. Cason loves to watch her kids play soccer, reading, and spending time in the mountains.

*Dr. Cason is in network with Anthem BCBS, Kaiser, and Health First Colorado Medicaid. She also accepts PASA/CCB and DVR funding as well as private pay.


Dr.Jill Lubansky is a Licensed Clinical Psychologist with a Ph.D in Clinical-Community psychology from the University of South Carolina. Jill has been providing evidence-based therapy including cognitive behavioral therapy and solution-focused therapy to children, adolescents, and adults since 2008. She has extensive experience working with individuals with developmental disabilities including Autism Spectrum Disorder, ADHD, and Down syndrome as well as individuals with mood disorder including anxiety, depression, and PTSD.

Jill has broad professional experience in which she has focused on work with individuals and their families, caregivers, and other social support systems in the community. As an inclusion specialist, Jill provided consultation to day care and recreation programs, supervised support staff, provided direct support services, and led staff trainings to facilitate the inclusion needs of individuals with developmental disabilities. As a psychometrist for a private practice, Jill administered a wide range of assessments and provided diagnostic, parental fitness, and consultative evaluations to individuals as well as social service organizations.

Jill has several years of experience facilitating inclusion in schools as well as providing academic, social skill, and behavior support to students with developmental disabilities and students with emotional and behavioral disorders in a number of settings including elementary schools and residential treatment programs. Jill provided psychosocial support, parent education, and health education to pregnant and parenting adults with a wide range of abilities, interests, and backgrounds as a care coordinator for an infant mortality reduction program. Jill also has extensive teaching experience at the University of South Carolina; she has taught several courses including Psychological Statistics, Research Methods, Introductory Psychology, and Social Psychology. Jill completed her internship and postdoctoral fellowship at Insights, Colorado Assessment and Therapy. She is an integral member our Insights’ clinical and diagnostic team. In her free time, Dr. Lubansky enjoys spending time with her family, hiking, cooking, running, and reading.

*Dr. Lubansky currently accepts PASA/CCB and DVR funding as well as private pay. She is also in network with Kaiser for patients with an Autism diagnosis and with Health First Colorado Medicaid.


Shaina Holderness is a Licensed Professional Counsler with over a decade of experience working with children, adolescents, and adults with with Autism, Intellectual Disabilities, mood disorders, ADHD, and anxiety. She received her B.A. in psychology from the University of Northern Colorado and then obtained her M.A. in Community Counseling from Regis University.

Shaina’s professional experience includes working in residential treatment facilities, collaborating with schools and community based programs and working as a Mental Health Counselor on the Neuropsychiatric Special Care Unit at Children’s Hospital Colorado. While at Children’s Hospital, she provided direct care using Applied Behavioral Analysis techniques, provided outpatient therapy to children on the Autism Spectrum and provided parent support and collaboration to develop proactive strategies to assist within the home.

In her free time, Shaina enjoy spending time with her husband and two young children, listenting to clasical music, playing outside with her family, and completing DIY projects around her home. She is actively involved in the autism community and enjoys volunteering within her community.

*Shaina currently accepts PASA/CCB and DVR funding as well as private pay. She is also in network with Kaiser for patients with an Autism diagnosis and with Health First Colorado Medicaid.


Kevin Fay is a Licensed Marriage and Family Therapist and has worked in the mental health field since 2011. In this time, Kevin has gained extensive experience working with a variety of ages ranging from adolescents to adults. With these individuals, Kevin has gained experience working with a wide range of individuals on the autism spectrum and with developmental disabilities. Beyond that, Kevin has worked with issues including ADHD, anxiety, depression, PTSD, personality disorders, and others. Kevin values the variety of cultures and socioeconomic backgrounds he has worked with and continues to strive to have a diverse clientele.


Kevin earned his Master of Arts in Marriage and Family Therapy from Argosy University–Twin Cities and enjoys working with adolescents, adults, and families. Kevin uses a holistic approach in therapy and strives to incorporate healthy lifestyle skills when it can benefit his clients. Kevin offers a collaborative, client centered approach and values listening to his client’s needs to maintain a strong therapeutic relationship. When you meet with Kevin, he will help guide you toward the goals you want to achieve and provide support for wherever your life takes you. In his free time, Kevin enjoys spending time with his loved ones, his dog, being outdoors, and focuses on a healthy lifestyle through diet, exercise, and making the most of the seasons in Colorado.

*Kevin currently accepts PASA/CCB and DVR funding as well as private pay. He is also in network with Kaiser for patients with an Autism diagnosis and with Health First Colorado Medicaid.


Kara Turner is our Office Manager; Kara is an integral part of the Insights team and has been for a year and a half. She is the first point of contact for people seeking services and she loves working with our clients and their families. If you have questions about our services, would like to schedule an appointment for therapy or an evaluation, or need a resource, call our office and Kara can get you set up. She provides wraparound support with scheduling, billing, and general office organization. We couldn’t run things without her! Kara graduated from CU Boulder with a bachelors degree in Dance and Sociology in 2015. Not only does Kara work with Insights, she also professionally dances for a company that performs on a rock climbing wall, known as Ascendance Project. When she leaves the office for the day, she heads to her other job as a teacher at Dual Star Academy of Dance where she teaches hip-hop, acrobatics, and tumbling. In her free time, she likes to spend time with her family, travel, practice yoga, and be outdoors. Kara also volunteers for an all women’s nonprofit, uniting and empowering women in the hip-hop culture, known as Queenz of Hip Hop.