experience matters
behavioral health care from clinicians with specific expertise and demonstrated clinical experience
The Arete Center offers cutting-edge behavioral health care services to the metropolitan Denver community, providing a comprehensive range of psychiatric and psychological services for children, adolescents, adults, and families. Our board-certified psychiatrist and licensed psychologists offer integrated, concierge-level psychiatric and psychotherapy services, including individual, couples, and family therapy, psychiatric and psychological evaluations, medication management, and psycho-educational testing.
At The Arete Center, we embody the pursuit of excellence, providing unparalleled behavioral health services to help our clients fully realize their potential. Our collaborative care model ensures our clients receive exceptional care from highly trained clinicians with specific expertise and demonstrated clinical experience. Our group’s founders all held faculty appointments at the University of Colorado School of Medicine and have decades of combined clinical training.
psychiatry
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Dave Walick, MD
PSYCHIATRIST
Dr. Walick is a Board-Certified Child, Adolescent, and Adult Psychiatrist with years of clinical practice and leadership. He specializes in the comprehensive psychiatric treatment of children, adolescents, and adults, and his professional experience allows him to be comfortable treating across generations.
psychology
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Justin Michener, PhD
PSYCHOLOGIST
Dr. Michener is a Licensed Psychologist with over a decade of experience providing psychological evaluations and psychotherapy to adolescents and adults, specializing in the assessment and treatment of generalized anxiety, depression, work and school difficulties, and ADHD.
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Emily Marcheschi, PsyD
PSYCHOLOGIST
Dr. Marcheschi is a Licensed Clinical Psychologist who works with children, adolescents, adults, and families. She has a passion for treating a wide range of emotional and behavioral challenges, including depression, anxiety, relationship issues, self-esteem, self-harm, life transitions, and disordered eating.
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Clio Pitula, PhD
PSYCHOLOGIST
Dr. Pitula is a Licensed Clinical Psychologist specializing in individualized, evidence-based treatments for OCD, anxiety disorders, and stress/trauma in children, adolescents, adults, and families. Broadly speaking, her goal is to support individuals and families in coping effectively with anxiety and stressors to live a meaningful life.
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Peter Goodwin, PsyD
PSYCHOLOGIST
Dr. Peter Goodwin is a Licensed Clinical Psychologist who provides psychotherapy for adults, adolescents, couples, and families. He has extensive training in existential, relational, and narrative perspectives in psychotherapy, with a special interest in anxiety, depression, trauma, substance use, and addiction. He also leads The Arete Center's Men's Group.
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Ian Marcheschi, PsyD
PSYCHOLOGIST
Dr. Ian Marcheschi is a Licensed Clinical Psychologist with over a decade of experience working with children, adolescents, adults, and families. His areas of focus include learning differences, ADHD, anxiety, depression, executive (dis)functioning, anger, self-esteem, and behavioral challenges. He also provides psychoeducational assessments and 504/IEP consultations. Dr. Ian has a special interest in working with student athletes.
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Eliza Lanzillo, PhD
PSYCHOLOGIST
Dr. Eliza Lanzillo is a Licensed Clinical Psychologist who specializes in helping children, adolescents, and adults overcome anxiety, OCD, and related challenges. With a warm, collaborative approach, she creates a welcoming therapeutic space where clients feel heard and supported as they work toward their goals.
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Corey Pettit, PhD
POSTDOCTORAL FELLOW
Dr. Corey Pettit is a postdoctoral Fellow in Clinical Psychology who works with children, adolescents, adults, and couples. She specializes in the treatment of anxiety-related disorders, including OCD, phobias, panic disorders, and trauma. Dr. Pettit holds a Ph.D. in Clinical Psychology and is pursuing her fellowship at the Arete Center under the supervision of Dr. Clio Pitula.
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Arianna Lane
PSYCHOLOGY EXTERN
Arianna is a clinical extern at the Arete Center and a fourth-year Clinical Child Psychology PhD student at the University of Denver. Arianna has clinical experience working with children, adolescents, and adults experiencing a range of socioemotional and behavioral concerns. Arianna is supervised by Dr. Clio Pitula.
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Angelina Pacosa
UNDERGRADUATE INTERN
Angelina Pacosa is an undergraduate intern at The Arete Center. She is studying Psychology at the University of Denver, with a focus on therapeutic interventions for children, adolescents, and adults. She is particularly interested in the diagnosis and treatment of anxiety-related disorders.