Meet the Team

  • Dr. Timothy J. Wahlberg has spent 25 years advocating, educating, and treating children, adolescents, adults, and their families about living with Autism. He has published extensively on Autism and is the author of Finding the Gray: Understanding and Thriving in the Black and White World of Autism and Asperger’s. Dr. Wahlberg has recently written a number of books for children/adolescents and their families about understanding and managing life with autism.

    Dr. Wahlberg is a Licensed Clinical Psychologist and a Certified School Psychologist. He has expert knowledge in the areas of autism and neurological impairments.

    Dr. Wahlberg enjoys being with his family and spending time outdoors. He currently resides in St. Charles, IL with his wife Stacey, their 7 children, and 2 dogs.

  • Dr. Kerry Gremo is a licensed clinical psychologist and nationally certified school psychologist. She is a certified bilingual school psychologist in Spanish. Dr. Gremo completed her Bachelor’s degree in psychology at Illinois Wesleyan University and her Ed.S. and Ph.D. in school psychology at the University of Kansas. She has experience working with children and families in schools, a psychiatric hospital, and a private practice clinic.

    Dr. Gremo’s clinical specialties are in clinical and psychoeducational evaluation with expertise in preschool evaluations. Her specialties also include behavioral consultation with parents and educators, and individual and family counseling. Dr. Gremo’s primary area of expertise is with individuals with developmental disorders, including autism spectrum disorders, ADHD, and intellectual disability, as well as mood disorders and general behavioral challenges. She also has skills in assessing individuals with severe and profound disabilities.

    Dr. Gremo works with children from preschool through adolescence. When she’s not working, Dr. Gremo enjoys going to the movies, baking, and spending time with her family.

  • Dr. Christina Brown is a Licensed Clinical Psychologist and a Nationally Certified School Psychologist. She earned her Bachelor’s degree from Fairfield University and her Master’s Degree and Ph.D. at Northern Illinois University. She has experience in psycho-educational and psychological assessment, therapy, and consultation for a broad range of behaviors.

    A practicing school psychologist for the past 10 years, her experience working in schools greatly benefits her school-aged clients and their parents, especially those experiencing challenges in the school setting. A supportive, collaborative clinician, Dr. Brown partners with her clients to identify areas of strength, and current trouble spots, and to establish client-centered therapeutic goals.

    Her theoretical orientation is steeped in behavioral, cognitive-behavioral, mindfulness, and solution-focused practices and techniques to help clients build skills, decrease symptomology, and improve outcomes. She specializes in working with children, adolescents, young adults, and their families who are dealing with behavioral and/or emotional distress and want to change behavior patterns that prevent them from experiencing success.

  • Dr. Lisa Sandlund is a licensed Clinical Psychologist and a licensed Clinical Social Worker with over 25 years of experience working with children, adolescents and adults in a variety of clinical settings including the pediatric medical setting, inpatient and outpatient hospital setting, and private practice. Dr. Sandlund has taught multiple college courses in undergraduate and graduate school programs and has provided clinical supervision for doctoral therapy and neuropsychological assessment interns. She has a special interest in diagnostic assessment and therapeutic intervention specific to neurodevelopmental disorders.

    Dr. Sandlund is committed to collaborative, interdisciplinary and evidenced-based approach to support the full potentiation of each individual. She views assessment and therapy as a means to clarifying concerns and developing a positive path forward.

    Neuropsychological/Psychological Testing

    Dr. Sandlund works with children, adolescents and adults to identify their areas of strength as well as relatively less well developed abilities. Neuropsychological assessment can provide diagnostic clarification that informs treatment recommendations. Dr. Sandlund specializes in the areas of autism spectrum disorders, ADHD, obsessive compulsive disorders; mood disorders; anxiety disorders; depressive disorders and adjustment concerns.

    Therapy

    Dr. Sandlund provides supportive interventions with children, adolescents and adults with a variety of presenting concerns including autism spectrum disorder, ADHD, obsessive compulsive disorder, mood disorders as well as anxiety and adjustment issues. She ensures that treatment is interdisciplinary and invites collaboration and coordination with schools and other providers. She emphasizes a practical approach to goal setting and treatment planning and encourages tailored treatment to best fit the needs of each individual.

    In her free time, Dr. Sandlund likes to walk historic cities, boat, run, design interiors and is finally learning to cook. Her family is currently in collaboration with the Progressive Beulah Church in the Auburn-Gresham neighborhood of Chicago to develop a youth community center that will provide counseling services; after school activities and recreation, tutoring and college preparation assistance. She and her husband have 2 grown children.

  • Ms. Roberta Yatchak is a Licensed Clinical Social Worker and a Certified School Social Worker. She earned her Bachelor's Degree from the University of Wisconsin-Oshkosh and her Master's Degree from Loyola University Chicago.

    She has experience working with children, parents, and families in schools and in the Child Welfare System. She has experience in social-emotional educational assessment, individual and group social emotional therapy, and consultation for a broad range of social-emotional and behavioral functioning.

    A practicing School Social Worker for the past twenty years, her clinical experience working in schools greatly benefits her school-aged clients and parents, especially those experiencing social, emotional, and behavioral challenges.

    A supportive and empowering clinician, Ms. Yatchak collaborates with her clients to identify strengths, overcome challenges, and establishes client-centered therapeutic goals and objectives.

    Her researched-based theoretical orientation is in Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Conflict-Resolution Therapy, Emotion-Focused Therapy (EFT), Mindfulness-Based Cognitive Therapy, Motivation Enhancement Therapy (MET), and Rational Emotive Behavior Therapy (REBT).

  • Melissa is a Licensed Clinical Social Worker with over 20 years of clinical experience working with children, adolescents, young adults, and their parents. She received her Bachelor’s in Psychology from Carthage College and her Master’s in Clinical Social Work from Aurora University, with a concentration in school social work. Melissa has worked primarily in the school setting and most recently served in a middle school in a specialized role that focused on crisis intervention, risk assessment, and suicide prevention. In this role she also served as a liaison between mental health hospital programs and the school.

    Melissa approaches the therapeutic process with warmth, empathy, and compassion and seeks to help clients find hope and resilience amidst whatever life challenges they may face. She offers clients a relaxed, comfortable, and non-judgmental space where they can feel safe to process, and work toward healing and personal growth. She utilizes a strengths based and client centered approach and incorporates various counseling techniques, including Cognitive Behavioral Therapy, Dialectical Behavior Therapy, and Mindfulness Based Stress Reduction Techniques.

    Melissa specializes in:

    Individual therapy for children, adolescents, and young adults struggling with depression, anxiety, mood instability, and ADHD

    Parenting support

    School refusal/anxiety, social anxiety

    Social skills, behavioral issues, and academic challenges

    Managing anger and building frustration tolerance

    Life transitions and adjustment issues related to changes in work, school and relationships.

    Grief, Loss, and Bereavement

    On a personal note, Melissa currently lives with her husband Jeremy, her two teenage children, and her dog. In her free time, she enjoys music, spending time outdoors, walking with her husband and her dog, and watching movies.

  • Mark Moeller is a licensed School Psychologist who has over 10 years of experience working with individuals ages 3 to 22. Mark completed his Bachelor's Degree at Loras College in Psychology with a minor in Criminal Justice and specialized in neuropsychology. He then obtained his Educational Specialist Degree from The Chicago School of Professional Psychology. Mark has worked in residential care facilities, elementary schools and high schools throughout his professional career.

    Mark's clinical experience falls within psychoeducational evaluation and assessment, counseling students with anxiety and depression, providing counseling and behavioral support for students who have intellectual disabilities, attention-deficit hyperactivity disorders, autism spectrum disorders, executive functioning disorders, and concerns with learning within a school setting. He often also works with students who have difficulty regulating their moods and behaviors across both school and home settings and with individuals who identify as LGBTQ(+).

    In addition to being a school psychologist, Mark enjoys being a high school track and field coach, spending time with his wife and daughters, and golfing when he can.

  • Andrea lives locally with her husband, twin boys and their family dog.

  • If you have questions regarding your billing or insurance coverage, please give Karen a call at 630-285-1040.