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Meet the Team

Thriving Minds has an exceptional team of psychologists, therapists, and social workers, as well as graduate interns and a fantastic office staff.

Meet the Thriving Minds Team! 

Thriving Minds has an exceptional team of psychologists, therapists, and social workers, as well as graduate interns and a fantastic office staff.



Dr. Aimee Kotrba
A clinical psychologist specializing in the psychological assessment and treatment of children, couples, and families, Dr. Kotrba also offers treatment to adults and adolescents. Dr. Kotrba earned her masters and doctorate degrees in clinical psychology at Wayne State University, and received additional training in assessment and treatment at Children’s Hospital of Michigan and William Beaumont Hospital’s Center for Human Development.

Dr. Kotrba’s primary interventions include individual Cognitive Behavioral Therapy (CBT) for mood and anxiety disorders, Parent Child Interaction Therapy (PCIT) for disruptive behavior disorders, and psychological assessments for learning issues, anxiety, Autism Spectrum Disorders, and Attention-Deficit/Hyperactivity Disorder. She is a nationally-known expert and speaker on the identification and treatment of Selective Mutism, a childhood anxiety disorder. She is also active speaking in the community on a variety of psychological topics.

Dr. Kotrba resides in Brighton, Michigan with her husband and three young children.

Dr. Valerie Luxon

Dr. Valerie Luxon is a Clinical Psychologist who works with children, adolescents, adults and families to create long lasting, behavioral and cognitive changes. She provides individual, group and family therapy as well as psychological assessments.   Dr. Luxon utilizes evidenced based treatments including Cognitive Behavior Therapy, Dialectical Behavior Therapy, Acceptance and Commitment Therapy and Mindfulness based therapies in her work.  Dr. Luxon specializes in the treatment of individuals with eating disorders and those struggling with self-injury. Dr. Luxon also has extensive experience working with anxiety and mood disorders (i.e., depression, bipolar disorder), autism spectrum disorders, disruptive/defiant behaviors, parenting concerns, and family conflict.  In her work with children and adolescents, Dr. Luxon encourages a collaborative approach including the individual, parents/guardians, teachers and other professionals.  Dr. Luxon’s work with individuals with self-destructive behaviors, such as eating disorders and non-suicidal self-injury, include an emphasis on emotion regulation, body image disturbance, past trauma/abuse and relationship issues.  Dr. Luxon earned her master’s and doctoral degrees in Clinical Psychology from the Illinois School of Professional Psychology.  Dr. Luxon has worked in a variety of clinical settings including outpatient, intensive outpatient and partial hospitalization levels of care.


Katelyn Reed

Katelyn is a Limited Licensed Psychologist who completed her Master’s degree in Clinical Behavioral Psychology at Eastern Michigan University. She utilizes a variety of evidence-based Behavioral and Cognitive-Behavioral Treatments for children, adolescents, and teens.  Katelyn is particularly passionate about treating children and adolescents with anxiety disorders and regularly assists children and families dealing with depression concerns as well as disruptive behaviors.  Katelyn emphasizes collaborative care and frequently works in partnership with parents and schools to best assist clients and to promote growth. She provides psychoeducational assessments to evaluate for concerns such as ADHD and learning disorders and functional behavioral assessments (FBAs) to determine what facilitates problematic behaviors so that interventions can be tailored to the child and his/her environment.

Since joining Thriving Mindsin 2013, Katelyn has worked extensively with children with Selective Mutism and Social Anxiety. In addition to therapy and assessments, Katelyn leads seminars for professionals and parents regarding Selective Mutism and other topics (e.g., effective use of time-out, potty-training, and challenging behaviors at bedtime) and she is the Assistant Director for Confident Kids Camp, an intensive week-long treatment program for children with Selective Mutism.

Dr. Reema Beri

Dr. Reema Beri is a clinical psychologist who provides a variety of assessment and therapy services to children, adolescents and adults. She earned her masters and doctorate degrees from the Institute of Psychology at the Illinois Institute of Technology in Chicago, Illinois. Dr. Beri completed her doctoral internship at the University of Akron’s Counseling and Testing Center, and has received additional clinical training at the University of Chicago’s Neuropsychological Assessment Center, the Illinois Institute Technology’s Counseling Center, and the Chicago Department of Community Mental Health.

Dr. Beri provides educational and neuropsychological assessment to both children and adults for issues such as ADHD, Dyslexia, and Autism. She assists clients who struggle with a variety of concerns including mood and anxiety disorders, relational issues, self-esteem and identity development, eating disorders and school adjustment issues. She is passionate about helping clients live their lives to their fullest potential, and utilizes interventions including Cognitive-Behavioral Therapy, Behavior Therapy, Client Centered Therapy, Motiviational Interviewing, and mindfullness-based interventions to do so.


Taylor photo.jpg

Dr. Taylor Hicks-Hoste is a Limited Licensed Psychologist (LLP) and a Nationally Certified School Psychologist (NCSP), who provides assessment and therapy services to children, adolescents, and families, as well as consultation services to schools. She completed her Doctorate degree in School Psychology at Michigan State University.  As a trained school psychologist, she has a unique perspective on supporting children’s educational, socio-emotional, and behavioral development.


Dr. Hicks-Hoste provides psychoeducational evaluations to identify children’s personal strengths and weaknesses and to inform evidence-based intervention supports. She also conducts functional behavioral assessments (FBAs), which includes identifying the function of a target behavior then collaborating with parents and/or teachers to develop an evidence-based intervention plan for the child, in order to promote growth and positive functioning.


Dr. Hicks-Hoste also offers individual and family therapy using evidence-based practices such as Cognitive-Behavioral Therapy, Behavioral Therapy, Motivational Interviewing and mindfulness practices. Taylor’s clinical interests include learning disorders, disruptive/defiant disorders, ADHD, Autism Spectrum Disorder, anxiety disorders, and parenting concerns. She is passionate about fostering positive partnerships between families and schools to ensure that children are receiving appropriate, consistent, and effective supports across contexts.  She approaches therapy as a team process, in which the important members of a child’s life (i.e., family members, school staff, therapist) work together to support the child’s success.  

Tiffany Turner

Tiffany received her Masters of Social Work at University of Michigan, where she focused on interpersonal practice with children and youth. Tiffany is fully licensed LCMSW in the state of Michigan specializing in assessment and therapy of children, adolescents, and families. Tiffany has experience working with adolescents in a variety of settings including detention center, substance abuse outpatient and group therapy, wilderness therapy, and assessment in a hospital setting. While Tiffany works with children and adolescents with a variety of needs, she has a specific interest in helping those who struggle with disruptive behaviors, anxiety, self-harm behaviors, and those who fall within the Autism Spectrum. Tiffany uses interventions such as Cognitive Behavioral Therapy, Motivational Interviewing, and Behavioral Therapy to give the children and adolescents she works with the opportunity to reach their full potential.


Lisa Wheeler

Lisa is a Limited Licensed Psychologist who completed her Master’s degree in Clinical Psychology at Madonna University.   She provides individual, family and group therapy to children and adolescents using evidenced based treatments such as Cognitive-Behavioral Therapy, Behavioral Therapy and Mindfulness Based Cognitive Therapy.  She also provides psychoeducational assessments for children and adolescents to evaluate strengths and weaknesses, determine an accurate diagnosis, and develop a treatment plan to guide psychological and educational interventions.

Lisa’s clinical interests include working with children with anxiety disorders, mood disorders, ADHD, and Autism Spectrum Disorders.  She places a strong emphasis on collaborating with parents as they are a vital part of their child/adolescent’s treatment.

Lisa completed advanced training and consultation through the Selective Mutism Group’s Selective Mutism Proficiency Program.  Additionally, she has been a counselor and teacher since 2013 for Confident Kids Camp, an intensive week-long treatment program for children with Selective Mutism. She has previous experience working in the home with children with Autism Spectrum Disorder and Sensory Processing Disorder to help them develop social skills, life skills and coping skills. Lisa previously worked with children through SandCastles, a grief support program to help children and families cope with the loss of a loved one.

Sandra Kumm

Sandra is a Limited Licensed Psychologist who completed her Master’s Degree in Clinical Health Psychology at the University of Michigan Dearborn. She is particularly passionate about treating children and their families who are experiencing anxiety and coping with the stressors that daily life presents. Sandra’s experience includes serving various populations including toddlers to adolescents with determining diagnosis of developmental and psychiatric conditions such as Anxiety, Attention/Deficit/Hyperactivity Disorder, Autism Spectrum Disorder, Learning and Language disorders, as well as developmental delays. Her expertise includes psycho-educational and neuropsychological assessment. She is passionate in her belief that assessment can provide assistance in understanding one’s strengths and weaknesses, and aids in the determination of the most effective therapeutic interventions.  Additionally, Sandra has worked as a Counselor for the Confident Kids Camp in 2013, an intensive week-long treatment program for children with Selective Mutism. She utilizes a variety of evidence-based Behavioral and Cognitive-Behavioral Treatments to give children, adolescents, and their families she works with the opportunity to reach their full potential.


Marla Field

Marla Field is a Temporary Limited Licensed Psychologist who earned her Master’s degree in Counseling Psychology from Moody Theological Seminary.  She is especially passionate about working with adults-- both individuals and couples—and using evidence-based interventions, such as Cognitive Behavioral Therapy and the Gottman Method for couples.  She has treated a variety of issues including depression and anxiety.  In regards to marriage counseling, she has worked with couples who have a history of physical and emotional abuse, and infidelity.  Marla also has completed Level 3 training in the Gottman method and received certification as an educator for the Gottmans’ Bringing Home Baby program, which equips expecting parents to make a smooth transition to parenthood.  Additionally, she is a certified facilitator for SYMBIS – an evidenced-based assessment which is used in conjunction with pre-marital counseling.

Marla brings with her a lifetime of both professional and personal experiences that contribute to her compassion and discernment when counseling.  Prior to joining the staff at Thriving Minds Family Services, Marla counseled both couples and individuals at a non-profit clinic in southeast Michigan and served in other positions in the mental health field, including working with children and families in crisis and acting as a patient liaison for veterans.  Her experience and training is combined with her passion to equip people with skills that will serve them for a lifetime.

For those who desire a direct Christian approach to counseling, Marla would be happy to incorporate Biblical principles and consider the role of one’s faith in personal growth and healing.

Madison Chapman

Madison Chapman is a Temporary Limited License Psychologist who completed her Master’s degree in School Psychology at Michigan State University. She is currently pursuing a doctorate degree in School Psychology at Michigan State University and is completing her predoctoral internship at Thriving Minds Behavioral Health. Madison has experience working with children and adolescents within schools, residential treatment facilities, and clinical settings. Her training in school psychology provides a unique perspective of effective supports for both mental health and educational needs.

Madison provides individual and family therapy for children and adolescents using evidence-based treatments such as Cognitive-Behavioral Therapy and Behavior Therapy. She assists clients and families struggling with a variety of concerns such as school and social anxiety, obsessive compulsive disorder, and behavioral disorders. Madison is particularly passionate about supporting the needs of children following stressful life events. She also provides educational assessment to address learning and behavior needs.


Riley Brooks


Riley is currently pursuing a master’s degree in clinical behavioral psychology at Eastern Michigan University. In 2014, he graduated from Adrian College with a bachelor’s of arts in psychology. Before graduate school, he worked at Livingston County Community Mental Health, where he assisted in developing life skills with adults with a wide array of psychological disorders. His clinical interests include behavioral interventions for anxiety disorders, namely Obsessive-Compulsive Disorder.

Becky Thomson

Becky is a fourth-year doctoral student in the School Psychology program at Michigan State University. She received her Bachelor’s degree in Psychology from Kalamazoo College in 2009, and her Master’s degree in School Psychology from Michigan State University in 2014. Prior to graduate school, Becky was a 7th Grade Science teacher in Charlotte, North Carolina. She has experience providing psychological services to children and families in school and private practice settings, and her clinical interests include working with children with anxiety disorders, ADHD, and disruptive behavior disorders. She also enjoys working with children to build social and emotional skills. Additionally, Becky provides psychological assessments for issues such as learning disorders, ADHD, and autism spectrum disorders.


Kimberly Gardner

Kimberly Gardner is an education consultant dedicated to helping parents identify appropriate educational plans for their child who may learn differently or have not found success in traditional learning environments.  Kim has been spent hundreds of hours visiting learning centers, private and public schools to create the best path for your children’s education.  Cultivating relationships with copious schools around southeast Michigan, Kim has become knowledgeable about the best available services and learning environment for each individual child’s needs.

Kimberly graduated from Michigan State University with a degree in Family Community Services and has continued her education through workshops and seminars related to special education and advocacy. Recently, Kim received her Yoga Teacher Training certification.  Her knowledge and skills will soon blend to provide children’s yoga classes to help children develop positive body image, reduce anxiety, and learn ways to refocus through meditation.  She resides in Brighton, with her husband and their three boys.

Shannon Timm

Shannon Timm is a Temporary Limited Licensed Psychologist who completed her Master’s degree in Clinical Psychology at Madonna University.  She provided therapeutic intervention, assessment, and testing services to children, teenagers, adults, and families in a low fee out-patient clinic.  She has done community work at First Step to provide comprehensive services for victims of domestic and sexual violence and volunteered in an Adult Partial Hospitalization Program.  In 2016, she was a Counselor for the Confident Kids Camp, a week-lone immersive treatment camp for children with Selective Mutism.  Shannon’s passion and clinical interests include working with children with anxiety, depression, and adjustment issues.  


Sheri Mehlhorn

Sheri is our office manager in the Brighton office and earned a Bachelor’s degree in Accounting at Cleary University and has an extensive business background.  She is a parent of three grown children, one of whom was diagnosed with Attention-Deficit Disorder and is a grandmother of two.  Sheri enjoys taking walks with her husband and their golden retriever.  Some of her interests include reading and crafting.


Joan Zielinski

Joan is our billing manager and has worked (lovingly) with mental health insurance billing for the past 5 years. She has a Bachelor of Science in Computer Science from Southern Illinois University and lives in Brighton with her husband, two teenage children and two Brittany Spaniels.


Nikki Fannin

Nikki is our Chelsea Office Manager.  She  comes to us as an experienced behavioral health professional, with expertise in recruiting, wellness, event planning, and administration. Nikki holds a Bachelor’s Degree from Michigan State University in International Relations, James Madison College.   She is also a fitness instructor at the Chelsea Wellness Center. She lives here in Chelsea with her family and enjoys spending time with them.