Jessica Vassallo, LCSW

Violetta Aranda, LPC is a native South Texan and second generation Mexican- American. She is a 2011 graduate of St. Edward's University in Austin, Texas and obtained full LPC licensure in Texas in August of 2017. Her practice focuses on cognitive behavioral modalities within a humanistic client-centered approach to foster healing through self-acceptance and self-awareness. She has over a decade's worth of experience working within the mental health field and fifteen years working directly with children and adolescents in various capacities. Before joining Talkiatry, Miss Aranda practiced exclusively within the community health sector and these experiences provided the opportunity to become fully immersed in Trauma and Crisis Management and fostered the passion for evolving research in the treatment of trauma-informed care. She now aspires to utilize these allocated experiences and passion for the field to promote mental health awareness, client advocacy, and quality of care.

Joanne is a Latinx, first generation, biliterate licensed mental health counselor- LMHC-D. Joanne enjoys working with individuals from diverse populations facing grief/loss, relational difficulties as well as anxiety/depression stemming from life and identity transitions through a trauma-focused and culturally responsive lens.

Joanne's previous experience includes supporting clients across a variety of outpatient settings that includes private practice and community based mental health organizations. She has experience working with clients across the lifespan with concerns ranging from anxiety and depression to serious and persistent mental health issues via individual therapy, group counseling and family therapy. Joanne's therapeutic approach is highly empathetic, client-centered, and strengths-based, which aims to empower individuals to tap into their inherent potential. As a direct clinician, a client can expect a mix of humor and curiosity as they work collaboratively to explore their mental health needs, co-create resilience, and cultivate the best version of themselves.

Joanne combines a mix of evidence-based practices such as Motivational Interviewing, Cognitive Behavioral Therapy, Dialectical Behavior Therapy, Acceptance and Commitment Therapy as well as Internal Family Systems. Additionally, Joanne is also certified in Cognitive Processing Therapy for PTSD. Clients can expect an individualized therapeutic experience that aims to help them walk away from their sessions feeling supported, empowered and energized to work on their personal growth.

LaJoya McDonald is a Licensed Clinical Social Worker (LCSW) with extensive experience across outpatient, telehealth, and managed care settings. She holds a Master’s degree in Social Work and specializes in treating anxiety, depression, trauma, grief and loss, and life transitions.

LaJoya is dedicated to creating a safe, supportive, and collaborative environment where clients feel heard and empowered. Her treatment style is integrative and person-centered, utilizing evidence-based approaches such as Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), trauma therapy, Motivational Interviewing (MI), Solution-Focused Therapy, Interpersonal Therapy, Psychodynamic Therapy, supportive therapy, goal-oriented therapy, and mindfulness-based techniques.

LaJoya helps clients explore their thoughts, emotions, and patterns while developing practical tools for coping, healing, and growth. She believes in tailoring each treatment plan to the unique goals, strengths, and values of the individual, and takes pride in walking alongside her clients through life’s challenges with compassion and respect.

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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.

LMHCNudedrose Guirand, also known as Rose Guirand, is a Licensed Mental Health Counselor in New York City who has been practicing since 2017. Rose has worked directly with clients of various demographics such as people with disabilities and neurodivergent people living with a variety of mental health conditions for 6 years. She graduated with a Master of Science in Education, Mental Health Counseling at Hunter College of The City University of New York. During her studies, she attended an internship at Boston Road Medical Center, Psychiatry Department in Bronx, New York. Rose's central approach to therapy is eclectic and based on the needs of each client. She frequently uses person-centered, Strength-based, and collaborative therapy. Also, she enjoys using CBT, ACT and DBT which draw upon the whole person and their intrinsic qualities and talents to forge a thriving way of life. Essentially, Rose likes to empower clients to find their passion and set their goals not only to survive but also to thrive in life. Rose enjoys helping people on their journey and sees the rewards of clients winning themselves back. Rose's work as a therapist comes from the heart and holistic space, and being there for her clients truthfully and inspiring them to become the expert of their lives.

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.