Jenna McDonald, LMHC

Lisa is a Licensed Professional Counselor in the states of PA, NJ, and CT. She has worked in the mental health field for 18 years in a variety of settings including homes, communities, schools, and offices. During that time, she has worked as a case manager, family therapist, and outpatient therapist. Lisa's clients have included people from diverse cultural and economic backgrounds. She particularly enjoys working with families, adolescents and young adults, and with the neurodivergent and LGBTQIA+ populations.

Lisa's primary treatment philosophy is that people are doing the best they can with what they know. With supportive listening, care, and education, people can grow and reach their goals. She draws on her knowledge of Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Internal Family Systems, and mindfulness to deliver personalized care for each client. Lisa is also experienced in working with trauma, and is certified in Trauma-Focused Cognitive-Behavioral Therapy.

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Regina Smith is a Licensed Professional Counselor with a Master’s in Clinical Mental Health Counseling. She has experience working with children, adolescents, and adults across outpatient, group, individual, and family therapy settings. Regina is passionate about supporting clients of all ages in improving their mental health and building the tools needed to navigate life’s challenges.

Regina values creating a supportive and welcoming environment where clients feel comfortable sharing openly and honestly. She understands that therapy is most effective when clients feel safe, respected, and empowered to explore their thoughts and experiences. Her approach is compassionate and collaborative, with a focus on ensuring that each session meets the client’s needs and goals.

Regina begins sessions by gaining an understanding of each client’s history and current concerns. Together, she and her clients establish weekly goals and create individualized treatment plans tailored to their specific struggles. Her process emphasizes collaboration, ongoing support, and practical strategies that can be applied both inside and outside of therapy to foster meaningful growth and resilience.

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.

Alexis Lanzillo, MA BC-DMT, NCC, LPC (she/her) is a Licensed Professional Counselor in the state of Pennsylvania and Dance/Movement Therapist. She received her master’s degree as a Dance/Movement Therapist from Drexel University in Philadelphia, Pennsylvania. She is also board certified through the American Dance Therapy Association. She has over 15 years of experience working with adolescents and adults of various demographics, living with a vast array of mental health needs.

Alexis is a humanistic therapist, maintaining a clinical focus of a trauma-informed lens. She uses a variety of psychotherapeutic approaches, rooted in dance/movement therapy principles, while integrating elements of additional evidence-based therapies including CBT, DBT, and other mindfulness-based techniques, all with a deep commitment to creating a supportive and non-judgmental space for her clients. She encourages clients to use their voice, verbally and non-verbally enable self-expression to help people build and maintain a positive sense of self.

Meet people where they are at, is always her focus. Alexis believes in the power of the relationship, to self and others, and works with each motivated individual to explore one's own unique experiences, challenge negative beliefs, while gaining a deeper understanding of the mind-body connection. Alexis will be there to support clients in reaching personal goals, challenge beliefs that no longer serve a purpose, encourage healthy risk taking, and establishing healthy boundaries with self and others.

Heidi is a Licensed Marriage and Family Therapist (LMFT) with 15 years of professional experience teens, adults, and seniors with concerns and challenges related to divorce, family conflict, parenting challenges, dysfunctional relationships, low self-esteem, sexuality, and addiction. Heidi earned her Master's degree in Human Services, Marriage, Couple, and Family Therapy from Capella University.

Heidi uses theories that include Relational, Motivational Interviewing, Solution Focused Brief (SFBT), Humanistic / Rogerian, Psychoanalytic / Psychodynamic, Mindfulness-Based (MBCT), Attachment-Based, Adlerian, Positive Psychology, Person-Centered, Christian Counseling, Family Systems, CBT / Cognitive Behavioral Therapy, Gottman Trained, Internal Family Systems (IFS), Narrative, Emotionally Focused, DBT / Dialectical Behavior Therapy. Our first session will be about getting to know each other and developing a sense of understanding and connection. We will establish rapport and develop a picture of your personal and family history. Heidi strives to represent authentic self, work affectively, giving assignments, providing tools and teach techniques.

Heidi enjoys working with married couples and individuals experiencing pressing issues who are wanting to quickly move towards their goals and are driven towards change. Her approach to therapy is collaborative and flexible; Heidi strives to encourage her clients to improve their relationships and personal experiences by being their authentic selves. She can help you navigate life transitions, heal from traumatic experiences, and improve communication skills. Heidi seeks to provide a warm, trusting, nonjudgmental environment where you'll know that you are deeply listened to, and can safely and freely discuss your challenges, concerns, and vulnerabilities. Heidi is here to offer you her honest and supportive feedback.

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Rebecca Jarrell is a Licensed Professional Counselor in Texas and a Licensed Professional Clinical Counselor in California and New Mexico. She has been in the mental health field for over 24 years in a variety of clinical settings. Early in her career, she worked in an inpatient psychiatric hospital on the child and adolescent unit. Most recently, Rebecca has spent over a decade in the private practice setting working with adults and specializing in anxiety, depression, trauma, and grief and loss issues. While she provides a holistic, individualized treatment approach, she has a strong background in Cognitive Behavioral Therapy. She is a Certified Clinical Trauma Professional (CCTP) and a Certified Grief Educator. She feels strongly about treating each client as a unique individual and meeting them wherever they are on their mental health journey. Rebecca is committed to creating a supportive and nonjudgmental environment where clients feel seen, heard, and empowered to make meaningful changes in their lives. Clients looking for a therapist will find Rebecca to be compassionate and direct, encouraging clients to challenge and reframe distorted thoughts while reinforcing positive adaptive behaviors.