Meet the Rosewatter Team
Our diverse team of licensed clinicians brings together decades of combined experience in evidence-based therapies, all united by a commitment to compassionate, client-centered care.
Rachel Nitzarim, Ph.D
Practice Owner
Rachel Nitzarim, Ph.D
I'm Rachel Nitzarim, a licensed clinical psychologist and owner of Rosewatter Chicagoland Counseling. I have extensive clinical and training experience, and a passion for interpersonal psychotherapy, while also serving as the Director of Clinical Training, Clinical PsyD at The Chicago School, and offering a broad range of psychotherapy services, supervision, consultation, training and workshops.
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Sara Taxman, PsyD
Clinical Director
Sara Taxman, PsyD
I'm Sara Taxman, a Clinical Psychologist with a doctorate from The Chicago School, specialized in treating youth and families with emotion regulation, trauma, and behavioral issues at Rosewatter Chicagoland Counseling, while also teaching at The Chicago School and engaging in psychological assessment.
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Sydnie Dobkin, LCPC
DBT Director
Sydnie Dobkin, LCPC
I'm Sydnie Dobkin, a certified DBT clinician with a Master's from the Family Institute at Northwestern University and extensive experience in evidence-based therapies, currently providing psychotherapy at Rosewatter Chicagoland Counseling to youth and families dealing with a range of issues, while also incorporating psychodynamic theory, reiki, and yoga-informed practices into my work.
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Sarah Jeziorski, LCPC
Licensed Professional Counselor
Sarah Jeziorski, LCPC
I'm Sarah Jeziorski, a Licensed Clinical Professional Counselor and Registered Art Therapist at Rosewatter Counseling, specializing in trauma-informed, relational therapy for emerging adults and adults. I integrate talk therapy, creative arts, and EMDR (somatic trauma re-processing) to support personal growth and healing.
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Jacob Sweetow, LCSW
LCSW
Jacob Sweetow, LCSW
I'm Jacob Sweetow, a psychotherapist with an MSW from the University of Chicago, specializing in emotion dysregulation and mood disorders with expertise in DBT and mindfulness-based therapies, while also enjoying triathlons, reading, and a diverse range of music.
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Annie Gleason, Operations Manager
Operations Manager
Annie Gleason, Operations Manager
Annie Gleason is the Operations Manager at Rosewatter Chicagoland Counseling, pursuing a PhD in Industrial and Organizational Psychology while also serving as the Clinical Training Coordinator at The Chicago School, and she is passionate about problem-solving and effective organizational management.
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Samantha Fitzwater, DBT Fellow LSW
DBT Fellow, LSW
Samantha Fitzwater, DBT Fellow LSW
I specialize in DBT to help teens and adults navigate emotional struggles, self-harm, and daily stress. Whether you're in crisis or seeking personal growth, therapy with me is practical, collaborative, and focused on meaningful change.
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Talia Farrell-Rosen, MSW
Social Worker
Talia Farrell-Rosen, MSW
I'm Talia Farrell-Rosen, a psychotherapist with my MSW from Boston College, specializing in DBT to support adolescents, families, and adults managing emotion dysregulation, mood disorders, ADHD, autism, and anxiety.
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Julia Friedland, LSW
Licensed Social Worker
Julia Friedland, LSW
I'm Julia Friedland, a Licensed Social Worker with a Master's from Columbia University's School of Social Work. I specialize in supporting both adolescents and adults managing symptoms of depression, anxiety, emotion dysregulation, and mood disorders.
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Dan Greenstein, Psy.D
Licensed Clinical Psychologist
Dan Greenstein, Psy.D
I'm Dan Greenstein, a licensed clinical psychologist specializing in ACT and CBT. My approach is client-centered, empathetic, and non-judgmental—focused on helping you align your actions with your values.
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Katherine Russeau, PsyD
Director of Neuropsychological Assessment
Katherine Russeau, PsyD
I'm Katherine Russeau, a licensed clinical psychologist dedicated to supporting people navigate trauma, relationship challenges, substance use, and major life transitions through humanistic, interpersonal, and somatic therapies. I'm also passionate about working with justice-involved individuals and providing comprehensive psychological evaluations.
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Jake O'Brien, M.A.
Psychotherapist, M.A.
Jake O'Brien, M.A.
I'm Jake O'Brien, a psychotherapist experienced in trauma-informed care and emotional distress tolerance. I use a client-centered relational approach to support clients across a variety of ages and presentations.
View Full ProfileAlice Overland
Counseling Intern
Alice Overland
My name is Alice Overland, and I am a clinical intern specializing in Dialectical Behavior Therapy (DBT) and supporting our Family Skills Group. I am currently pursuing my Master of Social Work (MSW) at the University of Chicago's Crown Family School of Social Work, Policy, and Practice.
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Melanie Umbdenstock
Counseling Intern
Melanie Umbdenstock
I'm Melanie Umbdenstock, a Clinical Mental Health Counseling M.A. student at Northwestern University. I'm committed to providing a trauma-informed, client-centered space rooted in compassion, where individuals feel empowered and supported in working toward their mental health and wellness goals.
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Katie Gallo, M.A. Candidate
Counseling Intern
Katie Gallo, M.A. Candidate
I help adults navigating anxiety, depression, and life transitions feel more grounded, connected, and whole. My approach is warm, collaborative, and relational—rooted in authenticity, empathy, and trust—to help you reconnect with your inner wisdom and move toward lasting healing.
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Matthew Berg
Counseling Intern
Matthew Berg
Hi, I'm Matthew Berg, a Master of Social Work intern at the University of Chicago. I'm interested in applying what I'm learning to psychotherapy with clinically and culturally diverse populations. I approach each client with curiosity, respect, and a deep belief in their capacity for growth and change.
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