David Guggenheim, PsyD

Denine Hasan, Ed.D., LPC, is a Licensed Professional Counselor with over 15 years of experience in counseling, behavioral health, education, and clinical leadership. She has worked with children, adolescents, adults, couples, and families in private practice, school settings, and community-based mental health programs. Dr. Hasan has served as a Clinical Director, providing therapy, supervising clinicians, and ensuring ethical compliance, as well as a School Counselor supporting students’ academic and social-emotional needs. She holds a Doctor of Education in Educational Leadership, a Master’s in Counseling, and a Bachelor’s in Criminal Justice, and is licensed in multiple states.

Dr. Hasan prioritizes safety, trust, and mutual respect, creating a supportive and nonjudgmental environment where clients feel genuinely heard. Her approach is collaborative and client-centered, viewing clients as active partners in their growth. She integrates evidence-based practices including CBT, Solution-Focused Therapy, mindfulness, trauma-informed care, and person-centered therapy. Clients often describe her style as structured, compassionate, and focused on building insight, coping skills, and emotional balance.

Treatment begins with a comprehensive assessment to understand concerns, strengths, and goals. Dr. Hasan then collaborates with clients to develop a personalized treatment plan using practical strategies and skill-building techniques. Progress is reviewed regularly, and interventions are adjusted as needed. Her goal is to help clients address immediate concerns while building resilience, self-awareness, and tools for long-term stability and confidence.

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Sibi Selvarajah is a Licensed Clinical Social Worker (LCSW) renowned for his compassionate approach and dedication to fostering emotional well-being. Sibi's career in mental health has been marked by a dedication to evidence-based practice and a client-centered approach. His experience working as a group and individual counselor at a private substance abuse outpatient treatment center in Manhattan provided him with invaluable knowledge and insight into helping individuals struggling with substance use disorder, anxiety, depression, trauma, and relationship issues, among others. Sibi earned his Bachelor's degree in Psychology from New York University, where he developed a strong foundation in psychological theories and practices. He went on to complete his Master's degree in Social Work at Yeshiva University, gaining advanced knowledge and hands-on experience in therapeutic techniques. As a licensed clinical social worker, Sibi is known for his empathetic listening skills and his ability to build strong therapeutic alliances with his clients. His therapeutic approach is integrative, drawing from multiple modalities to tailor treatment plans that best meet the unique needs of each individual. Outside of his professional work, Sibi is dedicated to continuous learning and personal growth. He regularly attends workshops and conferences to stay abreast of the latest advancements in mental health therapy. Sibi also believes in the importance of self-care and encourages his clients to engage in practices that promote overall well-being. Through his work, Sibi Selvarajah continues to make a profound impact on the lives of those he serves, helping them navigate their mental health journeys with hope and resilience.

Ashley Sharp is a Licensed Professional Counselor with Mental Health Service Provider
designation, who has experience working in multiple settings within the mental health
field including private practice counseling, school-based counseling, and in a behavioral
health hospital. This has allowed Ashley to work closely with individuals of various
demographics and a wide spectrum of mental health conditions. Ashley obtained her
undergraduate degree in psychology from Bryan College in Dayton, TN, and graduate
degree in clinical mental health counseling from Richmont Graduate University in
Chattanooga, TN.

Ashley has been working in the mental health field for 4 years and
focuses on mood and anxiety disorders, as well as personality disorders,
challenges in relationship dynamics, and difficult life transitions such as grief and
divorce. Ashley tailors her treatment modalities for the greatest benefit of the individual,
being considerate of the background and needs of each client.
Ashley uses an eclectic approach to therapy founded in Cognitive Behavioral Therapy
and incorporates elements of Dialectical Behavior Therapy such as mindfulness,
distress tolerance, and emotional regulation.

Stephorna Barnes-Patterson, LCSW, brings over 15 years of experience working in community and outpatient settings with individuals across all age groups. She utilizes various treatment modalities to meet diverse needs. Stephorna earned her degree from Adelphi University School of Social Work and is a licensed clinical social worker committed to compassionate, effective care.

Stephorna offers flexible, client-focused, and culturally competent treatment. She tailors every session to meet the individual’s unique needs, creating a space where patients feel heard, understood, and empowered in their healing journey.

During the initial session, Stephorna takes time to understand each patient’s history, concerns, goals, and existing strengths. She collaborates with clients to develop personalized treatment plans aimed at providing both immediate relief and long-term healing.

Demetries North holds the position of Licensed Professional Counselor with over 20 years of experience across mental health, substance use, and public health settings. He has worked extensively with adults, Veterans, justice-involved individuals, and underserved populations. Demetries currently serves in senior clinical leadership roles within community mental health and federal systems and has experience in outpatient, integrated primary care, forensic, and substance use treatment programs. He is a doctoral candidate in Health Administration with a focus on public health education and holds multiple state licenses, allowing him to provide care across several jurisdictions.

Demetries values collaboration, transparency, and mutual respect in the therapeutic relationship. He takes time to listen carefully and understand each client’s concerns without rushing or making assumptions. His approach is practical, structured, and supportive, with an emphasis on real-life progress. He works to create a calm, non-judgmental environment where clients feel safe discussing complex or sensitive issues, particularly when navigating stress, trauma, life transitions, or long-standing patterns.

Demetries begins with a thorough initial session focused on history, current concerns, strengths, and goals. He uses evidence-based assessment tools when appropriate and collaborates with clients to develop individualized treatment plans that evolve over time. Sessions emphasize skill-building, insight, accountability, and measurable progress, with regular goal reviews and coordination of care as needed.

Amber Boyd, LPC, has experience working in inpatient, outpatient, and virtual therapy settings. She has provided care for individuals with depression, anxiety, PTSD, adjustment disorder, schizophrenia, schizoaffective disorder, and bipolar disorder. Amber offers individual, group, family, and couples counseling, and is skilled in developing treatment plans, clinical documentation, and administering screenings such as the PHQ-9, GAD-7, and C-SSRS. She earned her B.S. in Psychology from Jackson State University and her M.S. in Counseling from Mississippi College. Amber completed her supervision hours at Mississippi State Hospital and obtained her LPC in Mississippi in 2019 and in Oklahoma later that same year.

Amber values honesty, trust, courage, and integrity. She believes in building strong rapport through open communication and mutual respect. Her approach is compassionate, direct, and goal-oriented, using a collaborative style to help clients increase emotional resilience, develop self-awareness, and strengthen coping skills to manage life’s challenges.

Amber strives to create a calm, nonjudgmental environment where clients feel safe to share their background, expectations, and therapy goals. Together, she and her clients create individualized treatment plans that reflect each person’s unique needs and diagnosis. Each plan includes realistic short- and long-term goals designed to promote growth, self-understanding, and lasting emotional well-being.