Meet Our Team

Join Our Team

The Plum Tree Staff is a collection of practitioners who provide therapy and medication management for kids. We conduct psychological and neuropsychological testing for academic, diagnostic, and clinical disorders. Our team includes specialists for Tourette’s, PTSD, Suicide/Self-Injury, ADHD, Anxiety, Obsessive Compulsive Disorder, Depression, and Bipolar Disorder. Developmental delays, impaired self-esteem, grief, academic under-performance, and family struggles are all within our purview to support. Services also include ADHD Coaching and Transition Support from high school to college/career. Our team also includes experts that can help parents understand school support systems and how to advocate for their child in both public and private school. We help kids control behaviors, understand feelings, and manage thoughts.

Dr. Ann Weller is the clinical director and founder of Plum Tree Psychology. Her education, training, and background experience has been exclusively in the treatment of young people. Read Full Bio

Dr. Sharon Murphy is a Licensed Clinical Psychologist and Pediatric Neuropsychologist who has over 30 years experience working with children and adolescents. Read Full Bio

Dr. Green earned her Ph.D. in developmental psychology specializing in child and adolescent development. She is also a licensed professional counselor and holds a Master’s Degree in Clinical Mental Health Counseling. Read Full Bio

Dr. Hassan von Schlegell has worked in a variety of clinical and educational settings supporting the mental health needs of students and parents. Outside of his work life, Dr. von Schlegell values the power of movement from yoga, running and lifting. Read Full Bio

Abby Vidal enjoys working with children between the ages of 3 and 8 years old. Abby has experience in providing individual therapy and family therapy for children and their families to support their well-being.  Read Full Bio

Amy is a Licensed Clinical Professional Counselor and full-time School Psychologist. Amy is adept at assessing client’s cognitive abilities, academic achievement, adaptive behavior, and psychological functioning. Read Full Bio

Anna Kane is a 20 year resident of St. Charles. She holds a B.S. in Management and comes to us after an extensive career in public libraries. Anna also volunteers as a tutor for Literacy Volunteers Fox Valley,  with the Friends of the St. Charles Public Library, and within School District 303. Read Full Bio

Camille Simon

Camille earned her Master’s degree in social work from University of Southern California specializing in working with children, youth, and families. She approaches each client holistically, taking a person-centered approach. Read Full Bio

Danielle Nebel has been interested in psychology from an early age. She pursued her passion by attending the University of Iowa where she received her B.A. in Psychology. Read Full Bio

Cheryl Curry is a Licensed Clinical Professional Counselor and National Certified Counselor. She holds a Master’s Degree in Counseling, a Master’s Degree in Educational Leadership, and a Bachelor’s Degree in English Education and Theater Arts. Read Full Bio

Emilia Ollearis

Emilia is a Licensed Professional Counselor with over ten years of experience. She has worked with children of all ages and their families in a variety of settings including inpatient, residential, military bases, as well as community mental health centers. Read Full Bio

Haleigh has managed social media marketing for small businesses since 2016. She is an advocate for the importance of mental health and is grateful to promote Plum Tree Psychology’s excellence in therapy and psychological evaluations.  Read Full Bio

Heather is a Licensed Clinical Professional Counselor with over 20 years of experience. Heather is certified in Exposure and Response Prevention (ERP) for the treatment of Obsessive Compulsive Disorder (OCD) and Comprehensive Behavioral Intervention for Tics (CBIT). Read Full Bio


Meet Ivy – Our absolutely adorable therapy dog. Ivy attends CBIT Therapy  She is a trained therapy dog and helps provide emotional support for many patients. She is very friendly and sweet and loves to be around children. Read Full Bio

Jeanie is a five year old special needs rescue who has learned that she can trust people again. Jeanie helps teach clients how to calm their minds and bodies. She will lounge in your lap and get pets while you hold her gently. Read Full Bio

Jennifer is a Licensed Clinical Social Worker who has over a decade of experience working with adolescents and adults. She received her Master of Social Work at Aurora University, with an emphasis on school social work with pre-adolescent, adolescent and young adults. Read Full Bio

Joanna Migo

Joanna Migo is highly qualified and experienced in providing multisensory structured literacy instruction for students diagnosed with language-based learning differences such as dyslexia and dysgraphia. Read Full Bio

Kathy Windsor

With over 20 years of experience in the field of mental health, Kathy Windsor has dedicated her career to supporting individuals in their journey towards well-being and improved relationships. Read Full Bio

Kayla likes to incorporate art and play therapy as a tool to build trust. She focuses on adaptive styles of coping and symptom management and teaches clients what to do when feeling their feelings. Read Full Bio

Kimberly holds a Masters in Social Work (MSW) in Children, Youth, and Families. She received her undergraduate degree in Bachelor of Science in Social Work from Bradley University. Read Full Bio

Kimberly is a Learning Behavior Specialist. She is deeply passionate about helping young adults uncover their true talents and strengths through exploratory conversations, executive function skill coaching and self advocacy skill building. Read Full Bio

Lindsey has 10 years of experience with children, adolescents and families. With a background as a school therapist, Lindsey understands and values the importance of collaborating with the clients support system for long-term success.. Read Full Bio

Megan McKenna is a pediatric speech-language pathologist and certified autism specialist. She has over a decade of experience supporting children with communication needs across a variety of settings. Read Full Bio

Mindy Meyer

Mindy Meyer is a Certified Pediatric Nurse Practitioner, Pediatric Mental Health Specialist (PMHS), and one of the few experts Certified in CBIT (Comprehensive Behavioral Intervention for Tics). Read Full Bio

Molly is a Licensed Clinical Social Worker and Certified Clinical Anxiety Treatment Professional (CCATP). She earned her bachelor’s degree at the University of Missouri and earned her master’s degree in Social Work at Aurora University. Read Full Bio

Nicolette Giambrone is a Plum Tree office administrator and our newest office team member! Previously, she worked as a warehouse supervisor where she was in charge of her own team and facilitating excellent workflow. Read Full Bio

Meet Pinto Bean – He is currently in training and you will see him around the office. Pinto Bean displays all the typical puppy traits and wants to run, play, and get into mischief. Stop by and give him a belly rub. Read Full Bio

Robert is a compassionate, empathetic, and solutions-oriented professional dedicated to providing exceptional care and implementing effective treatment plans for adolescent and young adults experiencing trauma. Read Full Bio

Saba is an Illinois Licensed School Psychologist. Saba Mahmood is an Education Advocate specializing in supporting parents and caregivers in navigating Individualized Education Programs (IEPs) and 504 plans. Read Full Bio

Sam has worked extensively with clients experiencing mental health crises. Her expertise includes working with ages twelve and up who are struggling with depression, anxiety, self-harm, negative self-talk, and familial stressors. Read Full Bio

Steven Lesniak is a Licensed Professional Counselor who is also Nationally Certified as well as a full-time high school educator. He earned a Master’s Degree in School Counseling and a Bachelor’s Degree in History Education. Read Full Bio

Tamara Anesi-Shasteen specializes in a personalized style of medicine that aims to have a profound effect on the health of your child and your family. She enjoys educating families about health processes and effective treatment choices  Read Full Bio

Veronica Giambrone received a B.S from Northern Illinois University, with a major in psychology and a minor in counseling. She is currently a full time graduate student at NIU in the Clinical Mental Health Counseling program. Read Full Bio