Jessica Mars, LCSW

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.

Amber Boyd, LPC, has experience working in inpatient, outpatient, and virtual therapy settings. She has provided care for individuals with depression, anxiety, PTSD, adjustment disorder, schizophrenia, schizoaffective disorder, and bipolar disorder. Amber offers individual, group, family, and couples counseling, and is skilled in developing treatment plans, clinical documentation, and administering screenings such as the PHQ-9, GAD-7, and C-SSRS. She earned her B.S. in Psychology from Jackson State University and her M.S. in Counseling from Mississippi College. Amber completed her supervision hours at Mississippi State Hospital and obtained her LPC in Mississippi in 2019 and in Oklahoma later that same year.

Amber values honesty, trust, courage, and integrity. She believes in building strong rapport through open communication and mutual respect. Her approach is compassionate, direct, and goal-oriented, using a collaborative style to help clients increase emotional resilience, develop self-awareness, and strengthen coping skills to manage life’s challenges.

Amber strives to create a calm, nonjudgmental environment where clients feel safe to share their background, expectations, and therapy goals. Together, she and her clients create individualized treatment plans that reflect each person’s unique needs and diagnosis. Each plan includes realistic short- and long-term goals designed to promote growth, self-understanding, and lasting emotional well-being.

Jonathan Edwards is a Licensed Professional Counselor and a Certified Prevention Specialist. He has previously served as the Program Director for Hub City Outreach Center and was a Crisis Counselor for Garza County Juvenile Center. He has a passion for helping individuals to take the necessary steps forward in their personal development. In session, Jonathan likes to create a judgement-free zone in order to create a safe environment in which clients can share their concerns. The approach that he uses encompasses using the skills that an individual naturally has to develop goals and solutions for their personal growth. Jonathan's approach comes from having years of experience providing drug prevention education for at-risk youth and their families in Lubbock County. Jonathan has a Master's Degree in Counselor Education from Texas Tech University. He also has a Bachelor of Arts from Lubbock Christian University. After receiving his Master's degree in Mental Health Counseling at Texas Tech University, Jonathan began working on his doctorate at Texas Tech University in Counselor Education. Jonathan also enjoys working with foster youth at the Texas Girls and Boys Ranch. In addition to his career and academic pursuits, Jonathan serves the community of Lubbock, Texas. He is currently the chairman for the HEARD Coalition, which is an organization that provides drug education and resources for youth and families in Lubbock County.

Nakia is a Licensed Professional Counselor Supervisor and Certified Sex Therapist with a Master of Education in Counseling and Development from Sam Houston State University. With extensive experience in education and private practice, she has helped individuals and couples navigate life's challenges and create meaningful change. Her expertise includes issues related to sexual health, intimacy, relationships, depression, anxiety, self-esteem, life transitions, and grief and loss. Specializing in working with individuals and couples, Nakia creates a warm and supportive environment where others feel heard and empowered. She guides them in making choices to change hindering situations and gain clarity through clinical tools to interpret and respond differently to life's challenges. Her approach is collaborative and tailored, ensuring therapy meets the unique needs of each person while celebrating progress. Nakia uses a holistic approach that integrates Cognitive Behavioral Therapy (CBT), Solution-Focused Therapy, and Person-Centered Therapy. She is also trained in Gottman Levels 1 and 2, providing evidence-based techniques to strengthen relationships and improve intimacy and communication. She believes change happens when individuals are honest with themselves and willing to do the work. As Carl Rogers said, "One must accept themselves as they are before change can occur.” Nakia considers it a privilege to support others as they heal, grow, and embrace life's possibilities.

Angela Harrington is a licensed mental health therapist with 26 years of professional therapy work. She is currently licensed in NE, OK, KS, and CO. She specializes in stress, anxiety, self-esteem, motivation, depression, and coping with life changes. She uses a wide range of clinical approaches in talk therapy, including client-centered therapy, cognitive behavioral therapy (CBT), mindfulness, motivational interviewing, and solution-focused support.

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.