Maria Fiore, LPC

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.

Katherine Strasburger, LCSW, grew up in Colorado and moved to Waco in 2013 to attend Baylor University, where she later earned her MSW. She has extensive experience supporting children and adolescents ages 4–19, as well as their caregivers, across juvenile detention, PK–12 schools, and homeless outreach. She is completing full EMDR training and holds ADHD certification. Kat enjoys integrating nutrition-focused psychoeducation and creative expression through play and art-based strategies. She is also training her dog, Odin, for Therapy Dog certification.

Kat recognizes the stigma surrounding mental health and views seeking therapy as an act of resilience. She creates a safe, comfortable, and nonjudgmental space where clients can be themselves. She values autonomy, supports increased self-awareness, and genuinely celebrates each client’s progress and healing.

Kat begins by building rapport and gaining a thorough understanding of each client’s history, concerns, and goals. She collaborates with clients to create individualized treatment plans that reflect their needs and priorities. She feels honored to walk alongside clients as they grow, heal, and build skills for lasting well-being.

Quentina Farrell, LCSW, has extensive experience working with adults in inpatient and outpatient mental health and substance use settings, as well as in residential treatment for eating disorders. She earned her Bachelor’s in Social Work from Augusta University and her Master’s in Social Work from Barry University.

Quentina creates a safe, nonjudgmental environment where patients are heard and validated, without needing to apologize for their pain or emotions. Her therapeutic approach is collaborative: you actively work together to achieve your mental health goals, with progress reflecting the effort you put in.

She begins by understanding your personal history to see how past experiences shape current behaviors and perspectives. Initial sessions focus on setting goals and identifying obstacles, followed by working together to overcome challenges and achieve those goals. This space encourages patients to express themselves authentically.

Lisha Jones is a licensed clinical social worker with over 23 years of extensive experience working in the mental health field. Lisha has worked with clients facing a variety of life's challenges such as anxiety, depression, trauma, as well as perinatal and postpartum mental health. She attended undergraduate school in Albany, GA, and graduate school in Valdosta, GA. Lisha is deeply committed to creating a safe, non-judgmental space where clients can express their thoughts and feelings freely. Lisha's approach to therapy involves engaging each client with warmth and enthusiasm. She encourages them to be active participants on their journey of emotional growth, healing, and empowerment. Lisha uses therapeutic expertise and various inner-healing approaches to teach clients restorative self-care practices, exercises that cultivate emotional awareness, strategies to manage unhealthy thoughts, and methods to change undesirable behaviors. Working with Lisha, clients can expect to take away from each session a plan of action with detailed steps, easy to apply skills and practical strategies to help them manage stress, heal from hurtful experiences, improve their communication skills and strengthen boundaries in their relationships. They will gain a better understanding about how and why they feel uncomfortable emotions and why they experience strong reactions in response to those associated thoughts.

Paul Pennington is a Licensed Professional Counselor with over 15 years of mental health experience in a variety of settings ranging from schools, private practice, residential facilities, and crime scene crisis counseling. Paul has had the privilege of helping people with various situations including depression, anxiety, stress, anger, trauma, abuse, life transitions, relationships, integration, existential issues, and other obstacles that have caused an imbalance in their lives. Paul specializes in working with teachers, first responders, young parents, and individuals that just want to be seen as who they truly are.‍Paul earned a Bachelor of Science in Psychology with a minor in Sociology from Texas State University and a Master of Education in Guidance and Counseling from Angelo State University. A few of the certifications Paul has earned over the years are: Residential Staff from the Texas Department of Criminal Justice, Certified Anger Resolution Therapist (C.A.R.T.), AgriSafe Farm Response, Trust Based Relational Intervention (TBRI) Practitioner Trainer, Texas Education Agency: EC-12 SpEd, 4-8 Generalist, EC-12 School Counselor, SAFE EMDR, Mental Health First Aid, and Ketamine Assisted Psychotherapy.‍Paul believes everyone is different and takes an individualized approach with each client. He operates from a foundation in Cognitive Behavioral Therapy, Trust-Based Relational Intervention, Solution Focused Therapy, and Mindfulness.

Cody Chua is a licensed clinical social worker with extensive experience working in the mental health field. He has a passion for helping individuals, children, couples, and families by assisting them in finding their inner strengths and natural capabilities that aid in creating positive change and fostering healthy relationships. Cody completed school at the University of Houston's Graduate College of Social Work, in Houston, TX, while completing his practicum at Texas Children's Hospital Outpatient Psychiatry Clinic. Cody has 3 years of experience as a therapist in inpatient, outpatient, and virtual settings, offering individual, group, and family counseling to teens and adults. He specializes in working with clients with mood disorders, behavioral issues, grief and trauma, substance abuse, and co-occurring disorders. Cody tailors his treatment approach to each individual client, and has experience with various modalities, including mentalization based therapy, logotherapy, and cognitive based therapy. Outside the therapy room, Cody is passionate about cooking, travel, hiking, drawing, music, and theater. He enjoys spending time with his dog, and his family.