David Guggenheim, PsyD

Tammi Schrager, LCSW, CCBT, is a bilingual (Spanish-fluent) therapist licensed in Texas and Illinois with over 20 years of experience. She earned her MSW from Loyola University Chicago and her BA in Human Services from Kendall College, receiving the Distinguished Student Award. She completed intensive Spanish language study in Mexico and Costa Rica. Her career spans Alzheimer’s care (Distinguished Service Award), Director of Social Services in skilled nursing, discharge coordination at Schwab Rehabilitation Hospital, police liaison and crisis responder, and community mental health serving diverse and underserved populations.

Tammi provides a safe, confidential, HIPAA-compliant space grounded in cultural humility and respect. She works with individuals, couples, and families facing trauma, PTSD, anxiety, depression, ADHD, ASD, mood disorders, and work or collegiate stress. Her style is collaborative, compassionate, and systems-oriented, integrating CBT, EFT, IFS, attachment work, and ABA. She values measurable progress and uses tools such as PHQ-9 and GAD-7 to guide care.

Tammi begins with a comprehensive assessment of personal, cultural, and environmental factors. She develops individualized, evidence-based treatment plans with clear goals and regular progress reviews. Sessions combine cognitive restructuring with skills training and mind-body techniques such as progressive muscle relaxation and paced breathing to reduce anxiety and trauma responses.

Eyerusalem Mulatu practices as a Licensed Professional Counselor, Chemical Dependency Counselor, and Certified Clinical Trauma Professional. She has provided over a decade of experience in treating clients with mental health, trauma, and substance abuse addiction in a residential, PHP and IOP level of care. Eyerusalem's passion is providing education on how childhood trauma impacts daily life, coping skills to maintain sobriety, confronting the past, and living a healthy life. Eyerusalem's goal is to ensure clients feel heard, safe, and secure with their right to confidentiality. She has identified creative ways to build therapeutic rapport in a telehealth platform to strengthen the virtual care experience. Eyerusalem is qualified in caring for the family as a whole and identifying underlying issues such as unresolved trauma that exacerbate feelings of depression and anxiety. She empowers individuals on their road to healing. Eyerusalem is a Master's level clinician with over a decade of experience in treating Adults and Adolescents. Eyerusalem is also a post-induction therapist trained in the Meadows Model. In addition, Eyerusalem is a Certified Clinical Trauma Professional specializing in treating childhood trauma. Eyerusalem uses a variety of modalities to help treat patients from CBT, Narrative, and DBT.

Michael Greenwald is a Licensed Clinical Social Worker who earned his Master’s degree in clinical social work from the University of Chicago. He has experience in a variety of clinical settings, including primary care centers, college campuses, and long-term care facilities for adults with serious mental illness.

Michael specializes in solution-focused therapy, offering practical techniques to help patients manage challenges in the present moment. While he primarily draws from Cognitive Behavioral Therapy (CBT) and Acceptance and Commitment Therapy (ACT), he tailors each session to meet the unique needs of the patient. He brings compassion, creativity, and a sense of humor to every session.

Michael approaches therapy as a collaborative process, guiding patients toward goals aligned with their personal values. He helps reinforce strengths while motivating meaningful change. After understanding a patient’s history and reasons for seeking therapy, he works with them to develop clear, actionable goals to support growth and a more fulfilling life.

Dawn Parks, LMHC, has worked in hospitals, forensics, community clinics, private practice, and research with Harvard Medical School, where she served as project director for a two-year addictions study for couples. She holds an undergraduate degree in exercise physiology, a master’s in clinical psychology, and a PhD in psychology. Dawn is a HeartMath practitioner with certifications in clinical stress, anxiety, and self-regulation treatment, as well as trauma-sensitive interventions. She also holds advanced certifications in addictions and Mindfulness-Based Stress Reduction and has extensive training in trauma work, couples therapy, nutrition for mental health, and healthy lifestyle development.

Dawn values open communication and works with patients to set clear treatment goals. She creates a warm, supportive environment where patients feel heard and respected. She emphasizes the mind-body connection, encouraging movement toward health from both perspectives, and meets patients where they are, providing a non-judgmental, trusting space conducive to growth.

She begins by thoroughly understanding each patient’s history, concerns, and goals during the initial session. Dawn develops individualized treatment plans aligned with patient objectives. Using a collaborative approach, she matches interventions to each client’s needs, fostering teamwork and supporting patients in achieving sustainable progress.

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Marcela Medina is a Licensed Clinical Social Worker who earned both her undergraduate and graduate degrees in Social Work from Florida International University. She is a dedicated and passionate clinician who understands the challenges individuals and families face across different stages of life. Marcela has worked with diverse populations experiencing homelessness, substance use, mental health disorders, and behavioral concerns. She has extensive experience working with children, adolescents, families, and adults, and provides therapy in both English and Spanish.

Marcela is authentic, realistic, and reliable, and believes therapy should be a supportive and empowering experience. She is deeply committed to helping clients reach their maximum potential by fostering insight, resilience, and personal growth. Marcela focuses on empowering clients to take control of their lives while creating a safe, nonjudgmental space where they feel heard, respected, and supported throughout the therapeutic process.

After the initial introduction, Marcela collaborates with clients to discuss what to expect from therapy and to establish clear goals and objectives. She uses open-ended questions to help clients identify triggers, strengths, and coping strategies. Together, they build a strong, individualized treatment plan that supports meaningful and sustainable progress.

Osamudia Amadasu is a Licensed Mental Health Counselor (LMHC) with experience supporting children, teens, and adults in outpatient, school-based, and community settings. She holds a master’s degree in Clinical Mental Health Counseling and has completed extensive training with diverse individuals and families. She is trained in DBT, Trauma-Informed Care, and Motivational Interviewing and uses strength-based approaches to help clients feel empowered from the start.

Patients can expect a brave but safe space where they feel understood and supported. Osamudia’s approach is collaborative, with each patient’s voice, pace, and goals guiding the work. Her style is warm, patient, and grounded. She values honesty, open communication, and meeting clients exactly where they are, using a trauma-informed lens to build trust and safety.

In early sessions, Osamudia takes time to learn each patient’s story, strengths, and hopes for change. Together, they develop a personalized and realistic treatment plan. She blends reflection, practical tools, and emotional processing to support both immediate challenges and long-term growth. She checks in regularly to adjust the process as needed and ensure therapy remains aligned with the patient’s goals.