Maryanne Garnsey, LMFT

Katy Childress, LPC, has been licensed in Arizona since 2004. She holds a Master of Counseling degree from the University of Phoenix and has worked in a variety of treatment settings. With extensive experience supporting children, adults, couples, and families, Katy brings a well-rounded and compassionate approach to every session.

Katy is deeply passionate about being a therapist and considers it a privilege to walk alongside people on their journey toward healing and growth. She prioritizes building a strong therapeutic relationship by creating a welcoming, safe space where clients feel heard and respected. She values open, honest communication and actively invites feedback throughout the process.

Katy’s approach is client-centered and flexible, focusing on meeting people where they are emotionally and mentally. She works collaboratively with clients to develop meaningful goals and tailor treatment plans that align with their needs, energy levels, and readiness for change. Her process emphasizes steady progress and mutual trust.

Garmis Sena, LMHC, is a licensed therapist with experience supporting children, adolescents, adults, and families. She brings a background in community mental health, school-based services, and outpatient therapy. Her clinical work includes treating trauma, anxiety, depression, emotional regulation challenges, family conflict, and life transitions. She holds a bachelor’s degree in Psychology and a master’s degree in Mental Health Counseling.

Garmis believes therapy should feel safe while also encouraging growth. She values honesty, trust, and emotional safety, and incorporates a holistic lens that considers mind, body, relationships, and life experiences. Patients can expect to be heard without judgment as she meets them where they are and supports them in building toward meaningful change.

Garmis begins by learning each patient’s story, stressors, and goals. She works collaboratively to identify patterns, triggers, and emotional blocks, and together develops realistic and personalized treatment goals. Sessions are structured yet adaptable, incorporating practical tools patients can use outside the therapy room. She regularly reviews progress and adjusts the approach as growth evolves.

Dr. David Guggenheim is an experienced clinical psychologist and health care administrator. He has worked with patients at different stages of life, including children, adolescents, and adults, and he has treated patients living with a wide range of mental health conditions, including anxiety, depression, post-traumatic stress disorder (PTSD), substance use, and attention-deficit hyperactivity disorder. Dr. Guggenheim has specific training in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and foundational training in dialectical behavioral therapy. Prior to joining Talkiatry, Dr. Guggenheim served as the Chief Behavioral Health Officer at Callen-Lorde Community Health Center in New York City, specializing in LGBTQ+ health care. In that role, he oversaw teams of providers including psychiatrists, psychologists, and social workers, who collectively provided care to thousands of patients in the New York metropolitan area. While at Callen-Lorde, he also served as co-chair for the behavioral health subcommittee of the Community Health Center Association of New York State; worked as an Adjunct Professor at Post University; and performed volunteer clinical work at the Weill Cornell Center for Human Rights. Before joining Callen-Lorde, Dr. Guggenheim worked as Associate Chief Behavioral Health Officer at Community Health Center, Inc., a federally qualified health center in Connecticut. A recognized expert, Dr. Guggenheim has delivered lectures to audiences ranging from medical schools to corporate executives, and he has been quoted in national media including The Advocate, Yahoo Finance, and Teen Vogue. Dr. Guggenheim has also been honored with an Early Career Achievement Award from the American Psychological Association in 2016. Dr. Guggenheim received his Bachelor of Arts from the University of Connecticut in 2002 and his Doctor of Psychology in Clinical Psychology from the American School of Professional Psychology at Argosy University/Washington, DC in 2009.

Joni Courtney is a Licensed Clinical Social Worker (LCSW) who provides compassionate, individualized therapy to clients of all ages. Originally from Arizona, she holds a master’s degree in social work from Arizona State University and relocated to Texas three years ago. Her background includes experience as a clinical therapist and working with students experiencing homelessness in the school system. Joni creates a safe, supportive space for clients to explore thoughts, emotions, and behaviors that foster healing and growth.

Joni believes therapy is a collaborative relationship rooted in trust, self-awareness, and growth. She values active listening, thoughtful questioning, and believes clients are the experts of their own lives. She partners with individuals to develop personalized treatment goals that align with their experiences and values, blending grace and accountability throughout the therapeutic process.

During the first session, Joni starts with brief introductions and explores the challenges the client is facing. Together, they develop goals and a treatment plan, which they continue to refine in follow-up sessions. Joni tailors her approach using techniques from multiple therapeutic models to best support each client’s unique journey.

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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.

Laura Cunningham, LCSW, has over four years of experience treating eating disorders in a hospital setting. She earned her Master of Social Work degree from Fordham University and is certified in Level 1 Gottman Method. Laura integrates evidence-based approaches, including Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT), into her clinical work.

Laura’s therapeutic style is warm, personable, and conversational—like talking to a trusted friend. She creates a safe, supportive environment where patients feel heard and understood. Laura validates emotions while encouraging meaningful growth and self-discovery.

Laura begins by thoroughly exploring each client’s background and therapy goals. From there, she collaborates with the individual to develop a personalized, comprehensive treatment plan tailored to their needs, supporting long-term change and emotional well-being.