Ana Castro, LMHC

Cherese Allen is a Licensed Professional Counselor with extensive experience working with adolescents, teens, and adults. She completed her undergraduate studies at the University of Houston and earned her master's degree from Houston Christian University. Additionally, she completed an internship at a private practice in Texas. Upon obtaining her license, she achieved certifications in Dialectical Behavior Therapy, Eye Movement Desensitization and Reprocessing, Shame-Informed Therapy, and Eating Disorders.

With years of experience in both education and private practice, Cherese has helped individuals, couples, and families overcome a wide range of mental health challenges. Her expertise includes, but is not limited to, addressing depression, anxiety, self-esteem issues, mood disorders, career changes, and major life transitions.

Cherese employs a holistic approach that integrates Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Solution-Focused Therapy, and Person-Centered Therapy. She believes that with the right tools, you can conquer many obstacles and reach your desired destination. Cherese looks forward to supporting you on your journey!

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Kelly Vandivert, LPC, is a Licensed Professional Counselor with over twenty-seven years of diverse experience in the mental health field. Her career has spanned a variety of settings, from residential facilities to outpatient community services, in-home, school, and private practice. Her passion for people and love of experience has afforded her the chance to work with people of all ages from a variety of cultural and socio-economic backgrounds. Kelly has been licensed since 2008, focusing much of her time since then working together with adolescents and adults regarding the treatment of mood disorders, such as depression and anxiety, adjustment-related concerns and life transitions, as well as trauma and abuse. Kelly has a client-centered and comprehensive approach to therapy, drawing from a variety of treatment modalities including Cognitive Behavioral Therapy and Dialectical Behavior Therapy. Her approach emphasizes the importance of the therapeutic relationship for a safe place to share and engage in self-discovery and personal growth. She values an evidence-based approach utilizing the latest research for effective treatment incorporating her experience with each individual's own values and preferences.

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.

Justin Hampton is a Licensed Clinical Social Worker with over 15 years of experience across a wide range of mental health and social service settings, including academic outpatient clinics, community health centers, residential programs, clinical research, the VA, EAP services, and HIV/AIDS service organizations. He earned a Bachelor of Arts in Psychology from Saint Louis University and a Master of Social Work in Clinical Social Work/Mental Health from Washington University in St. Louis.

Justin has a particular passion and specialty in working with the LGBTQ population. He also enjoys helping patients address depression and mood concerns, anxiety disorders, trauma, self-criticism and shame, grief and loss, major life transitions, social discontent, and medical conditions such as HIV/AIDS. He works with adults across the lifespan and strives to create an affirming and inclusive therapeutic environment.

Justin’s work with each patient is individualized and guided by their needs and collaboratively defined goals. Patients can expect a warm, authentic, and direct therapeutic style. His approach is primarily skills-based, most often drawing from Cognitive Behavioral Therapy, within a client-centered and attachment-focused relationship. Therapy often explores how perspective, assumptions, and self-narratives contribute to distress, with practical action plans to support growth. Justin views therapy as a collaborative process aimed at meaningful change and a more fulfilling, values-driven life.

Maria-Anne Duncan, LCSW-R holds the position of psychotherapist at Talkiatry. She has over twenty years of experience working with individuals, families, and groups addressing symptoms of anxiety, depression, and trauma. Before joining Talkiarty, Ms. Duncan worked as a Director of Clinical Services for a not-for-profit in the Hudson Valley Region of New York State. Prior to that, Ms. Duncan worked for a local hospital in the psychiatric department providing treatment to the Inpatient and Outpatient units. She has held several positions as a clinician and program director. Additionally, Ms. Duncan has taught parenting classes, Mental Health First Aid and provides training on Trauma-Informed Care. Ms. Duncan started her career as a clinician in a Crime Victims' Assistance Program funded by New York State. Through this experience she began to explore the effects of trauma on individuals, their families, and the community. Ms. Duncan has been trained in both EMDR (Eye-Movement Desensitization and Reprocessing) and SE (Somatic Experiencing). She utilizes these body-focused therapies to help her clients be released from years of painful energies locked in their systems. Ms. Duncan received her Bachelor's Degree from Marist College and her Master's from Fordham University. She has been trained to supervise Social Work Students in their field placements. Ms. Duncan appeared in the Vassar College student-developed training video, "He said, She said" which is used to train peer sexual assault counselors. In April of 2022, she became a trainer for LivingWorks "SafeTALK" program. Additionally, Ms. Duncan has a trained therapy dog, Monkey, who goes with her to local hospitals and nursing homes to provide comfort and affection.

Brianna Quirk is a licensed mental health counselor in the state of New York. She attended SUNY Oneonta for her Bachelor’s degree in psychology, and went on to Adelphi University where she received her Master’s degree in Mental Health Counseling.

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Brianna has extensive experience working with children, adolescents, and adults with a variety of different struggles. Brianna is trained in cognitive behavioral therapy, and helps her clients to recognize and change harmful and unhelpful patterns of thought and behavior, implement coping skills, and set goals for the future, leading to a happier and healthier existence. She uses techniques from CBT, solution focused therapy, psychodynamic therapy, and more to tailor each client’s sessions to their individual needs.

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Brianna specializes in working with individuals from a variety of different backgrounds and mental health issues: such as anxiety, ADHD, stress, depression, trauma, school avoidance and grief/loss. She also has extensive experience working with members of
the LGBTQ+ community.