Joanna Marino, PhD  

Chief Executive Officer

Dr. Marino provides therapeutic services to children, adolescents, adults, couples and families dealing with a range of concerns related to emotional and behavioral health. She specializes in treating Anorexia Nervosa, OCD/Anxiety, Hair-pulling/Skin-picking, self-injury, and chronic suicidality.  Dr. Marino is trained in Cognitive Behavioral Therapy (CBT), Maudsley Family-Based Treatment, Exposure with Response Prevention (ERP), and Dialectical Behavior Therapy (DBT).

Dr. Marino is "intensively trained" by Behavioral Tech/Linehan Institute in DBT. She has also completed the Behavior Therapy Training Institute (BTTI) certification through the International OCD Foundation and is certified in Maudsley Family Based Treatment for adolescent eating disorders. Joanna has also been intensively trained in Radically-Open DBT.

Dr. Marino’s clinical internship at the University of Florida/Shands Hospital included rotations in medical psychology, neuropsychology, and pediatric/child psychology. She received her Ph.D. and M.A. from the University of North Dakota and her B.A. from Susquehanna University. Dr. Marino serves in leadership roles for the Academy for Eating Disorders (AED) and Northern Virginia Clinical Psychologists (NVCP).


Matthew Teich, MHA

Chief Finance, Operations, and Development Officer

Matthew Teich coordinates operations for the organization. Before PBS, Matthew was a Practice Manager for a specialty group in the Kansas City metropolitan area where he directly coordinated, managed, and oversaw ten staff members and three providers in three primary locations as well as six outlying clinics.

Matthew attended the University of Missouri where he obtained his Master of Health Administration as well as his Graduate Certificate in Health Care Informatics. During his time at the University of Missouri, Matthew worked at a behavioral and mental health center centered around helping at-risk children and adolescents.

Before his master’s, Matthew was an intern at, a mental health non-profit centered on reducing the stigma that mental health carries throughout our community. Matthew received his Bachelor of Science in Health Care Administration from Eastern Illinois University. He is originally from the Chicagoland area.

Aileen Kim, MD

Medical Director

Dr Kim's is a Board Certified Psychiatrist. She specializes in anxiety, eating disorders, depression, ADHD, borderline personality disorder, pregnancy and birth experiences including postpartum depression, relationships, family problems and cultural identity issues. Dr. Kim has extensive experience in the area of medication management for individuals engaging in self-injurious and life-threatening behaviors.

Dr. Kim graduated from the University of Illinois with her medical degree in psychiatry and completed her Residency at the Naval Medical Center in Portsmouth, Virginia. She is Board Certified in Adult Psychiatry. She is a former Lieutenant Commander in the Medical Corps of the United States Navy, and has extensive experience helping people with problems related to military service.

Andrew Hopkins, PA

Andrew received his BS / MS in Physician Assistant studies from Daemen College, in Buffalo NY. He has spent the previous 4 years working as an inpatient hospitalist, as well as providing outpatient services in Buffalo.  Andrew is board-certified and has experience in the pharmacological approach to mental health. He has special interest in treating eating disorders and anxiety disorders. Andrew works predominately with adolescents and adults.

Elizabeth Wine, PsyD

Clinical Director

Dr. Wine is a licensed clinical psychologist in the state of Virginia.  She specializes in evidence-based treatment for anxiety and mood disorders, trauma-related disorders, self-injury, and personality disorders. Specifically, Dr. Wine has concentrated training in and experience utilizing Cognitive Behavior Therapy (CBT), Cognitive Processing Therapy (CPT), Dialectical Behavioral Therapy (DBT), and Exposure with Response Prevention (ERP). Dr. Wine has been intensively trained in DBT by Behavioral Tech/Linehan Institute and in CPT by the Veterans Affairs Healthcare System. 

Dr. Wine also has extensive training and experience in providing couple therapy through the use of evidence-based treatments, including Integrative Behavioral Couple Therapy (IBCT). In addition to providing therapy services, Dr. Wine conducts psychological assessment and diagnostic services for emotional and behavioral health concerns.

Dr. Wine completed an APA-accredited internship at the VA Pittsburgh Healthcare System, where she specialized in the treatment of anxiety, trauma, and substance use disorders.  Dr. Wine received her Psy.D. and M.A. from Regent University and her B.A. in Psychology from Messiah College. 

Sarah Fischer, PhD

Dr. Fischer completed her PhD in clinical psychology at the University of Kentucky, and her internship and postdoctoral fellowship at the University of Chicago Medical Center with a specialization in the treatment of eating disorders. Dr. Fischer is trained in Cognitive Behavioral Therapy, Dialectical Behavior Therapy, and Maudsley Family Based Treatment of eating disorders in adolescents. Her clinical interest including eating disorders, anxiety, substance abuse and self-injury. 

Following her postdoctoral fellowship, Dr. Fischer was a faculty member at the University of Georgia, where she directed a Dialectical Behavior Therapy program from adults and adolescents. She is currently a faculty member at George Mason University in the Department of Psychology. Her research focuses primarily on impulsivity and behavior patterns such as binge eating, purging, and alcohol abuse. Dr. Fischer’s work investigates how personality traits and environmental contexts, such as stressors, mood, and learning, interact to influence behaviors such as binge eating.


Kate Dansie, LCSW

Kate provides therapy to children, adolescents, adults, and families. Kate feels strongly that the relationship between the client and therapist is the foundation of effective treatment. Her warm personality allows clients to feel safe as they engage in the therapeutic process. Kate has training in cognitive behavioral and dialectical behavioral therapies (CBT & DBT). Using a family-focused approach, Kate provides strategies for parents of children struggling with emotional and behavioral challenges.

Kate received her MSW from the University of Maryland in 2007 and has completed many post-graduate trainings, including CBT, DBT, and EXRP treatment for OCD. Additional areas of experience include: school refusal and anxiety, self-injurious behavior, self-esteem and empowerment, family and parent/child relationship issues, depression and other mood disorders, and eating disorders.


Rebecca Hardin, PsyD

Director of Program Development and Outreach

Dr. Hardin’s clinical work and academic research have focused on Health and Neuropsychology. She specializes in providing evidenced-based treatment of eating disorders, chronic illness, anxiety disorders, trauma, obsessive-compulsive disorders, and trichotillomania and excoriation disorders.  Dr. Hardin has worked with adolescents, adults, couples and families in both civilian and military populations.

Dr. Hardin has been clinically trained in the areas of cognitive-behavioral therapy (CBT), cognitive processing therapy (CPT), trauma-focused cognitive-behavioral therapy (TF-CBT), enhanced cognitive-behavioral therapy (CBT-E), exposure and response prevention therapy (ERP), and assessment.  Dr. Hardin has also been intensively trained in Maudsley family based therapy (FBT) and dialectical behavior therapy (DBT).

She received her Psy.D. from The American School of Professional Psychology, her M.S. from the University of the Sciences in Philadelphia, and her B.A. from the University of North Carolina at Chapel Hill.  Dr. Hardin’s research experience has focused on evaluating the overlapping risk factors and assessment of chronic health conditions, particularly Type 1 diabetes, and co-occurring eating disorders.  She also has participated in research evaluating the outcomes of goal-oriented behaviors in traumatic brain injury rehabilitation and recovery. 

Dr. Hardin’s assessment experience includes evaluating academic, behavioral, intellectual, emotional, personality, and neuropsychological functioning for adolescent, teenager, adult, and older adult populations.  She has also conducted assessments in areas of eating disorders, cognitive capacity (intellect, self-care, decision-making), and organ transplant recipient evaluations.  Dr. Hardin also has experience in the assessment and evaluation of neuropsychological sequelae due to mild, traumatic, and congenital brain injuries as well as evaluating neuropsychological functioning as related to nutritional deficits.  


Mary Dolby-McDonald, LCSW

Mary Dolby McDonald is a licensed clinical social worker with 28 years of experience working with adolescents, adults, couples and families. Her areas of expertise include adjustment disorders/life transition issues, addiction recovery, affective disorders, personality disorders and intellectual disabilities.

Ms. Dolby McDonald received her master’s degree in social work from Boston University and attended a post graduate program at the Washington School of Psychiatry. She has been intensively trained in Dialectical Behavioral Therapy by Behavioral Tech/Linehan Institute in 2016. Ms. Dolby McDonald is an adjunct faculty member at Catholic University where she teaches and supervises advanced clinical students in their internships. 


Nichole Krechting, PsyD

Dr. Krechting is a licensed clinical psychologist in the state of Virginia. Her clinical focus has been on employing evidence-based treatments for anxiety, depression, trauma, eating disorders, attention deficits, and various personality disorders. She has been extensively trained in therapies including, but are not limited to, dialectical behavioral therapy (DBT), cognitive behavioral therapy (CBT), cognitive processing therapy (CPT) and prolonged exposure (PE). Dr. Krechting's clinical experience has availed her the opportunity to work with forensic, military, first responders, and student populations in both inpatient and outpatient settings.  Her research background includes exploring the relationship between addiction and trauma, as well as examining the biological and psychosocial stressors impacting the expression of ASPD. Dr. Krechting provides individual and group therapy, in addition to psychological assessment for intellectual, behavioral and emotional functioning. Dr. Krechting has been intensively trained in DBT by the Behavioral Tech/Linehan Institute in November 2016.

Dr. Krechting obtained her doctoral degree at the American School of Professional Psychology and her Master's in Forensic Psychology at CUNY John Jay.  


Laura Trinastic, PhD

Dr. Trinastic is a clinical psychologist with extensive training in Health Psychology and a range of emotional and behavioral health concerns. She specializes in providing evidenced-based treatment for depressive disorders, anxiety disorders, chronic illness, sleep disorders, trauma, and personality disorders. Dr. Trinastic has worked with adolescents, adults, couples, and families in both outpatient and inpatient settings. She has specific training and experience utilizing Cognitive Behavioral Therapy (CBT), Cognitive Processing Therapy (CPT), Acceptance and Commitment Therapy (ACT), and Dialectical Behavior Therapy (DBT). Dr. Trinastic has been intensively trained in DBT by the Behavioral Tech/Linehan Institute in November 2016.

Dr. Trinastic completed her clinical internship and postdoctoral fellowship at the University of Florida/Shands Hospital, which included formal rotations in medical/health psychology, neuropsychology, and pediatric psychology. She received her Ph.D. and M.S. from the University of Florida and her B.A. in Psychology from Miami University. Dr. Trinastic’s research experience has focused on psycho-oncology, psychoneuroimmunology, and women’s health. Specifically, she has examined the psychosocial and biobehavioral influences on clinical outcomes in cancer, with a special emphasis on the relationships between sleep, pain, and psychological distress.


Susan Snyder, MSW

Director of DBT Programming

Susan is a Master's-prepared Social Worker and candidate for her clinical license in the State of Virginia. She completed her Master’s degree in Clinical Social Work at Wayne State University in Detroit, Michigan. She has experience working with children, adolescents and adults providing individual, family and group therapy. Susan has been trained in a variety of evidence-based treatment modalities inclusive of Cognitive Behavioral Therapy, Interpersonal Psychotherapy and Dialectical Behavior Therapy. She specializes in the treatment of Borderline Personality Disorder and has a strong interest in the treatment of depression, anxiety, trauma-related disorders, eating disorders and obsessive-compulsive disorder. Susan also has experience in treating bilingual, Spanish-speaking clients and families.

Susan completed her graduate clinical coursework in both medical and school-based social work settings, and has since worked within Detroit inner-city community-mental health (CMH) agencies.  Post-graduate training provided by DBT-Linehan Board Certified Clinician, Josh Smith, LMSW fostered her opportunity to co-implement the DBT program at Southwest Counseling Solutions in Detroit. Susan has ample experience providing individual therapy, facilitating DBT skills training groups, promoting phone coaching and utilizing ancillary services (integrating all available resources). She believes in the treatment of the whole person, through a mind-body connection. 

Charlie Baily, PhD

Charlie works with children, adolescents, and adults, providing individual, group, family, and couples therapy. He specializes in the treatment of depression, anxiety, and trauma-related disorders in children and adolescents and eating disorders across the age spectrum. He has trained in a number of empirically supported treatments including Cognitive Behavioral Therapy, Dialectical Behavior Therapy, Interpersonal Psychotherapy, and Parent-Child Interaction Therapy.  He works with both English and Spanish-speaking families.

Charlie earned his Ph.D. in clinical psychology at Teachers College Columbia University in New York. He completed an APA-accredited predoctoral internship at Columbia University Medical Center in New York, where he specialized in child and adolescent psychology. He also trained at St. Luke’s-Roosevelt Hospital, Jacobi Medical Center, and Newmarket House Clinic, a residential treatment center for eating disorders in the UK. Charlie’s research interests include the mental health needs of immigrant youth and anorexia nervosa treatment evaluation. He has presented his research at national and international conferences and co-authored articles and chapters in several journals and books. Charlie speaks English and Spanish. 


Sarahi Gutierrez, LCSW

Sarahi Gutierrez is a Clinical Social Worker. She received her Master’s in Social Work (MSW) at Columbia University in New York where her clinical training focused on evidence-based treatments, with an emphasis on Dialectical Behavioral Therapy. 

She was part of Columbia’s Dialectical Behavior Therapy (DBT)Training Project under Andre Ivanoff, Ph.D., president of Behavioral Tech. There, she received extensive DBT training, as well as training in exposure, validation, cognitive-behavioral advance clinical methods, psychopathology, alcohol & chemical dependencies, and Motivational Interviewing. Sarahi has also received intensive training by Steve Hayes, creator of ACT,  in Acceptance and Commitment therapy 

Sarahi comes has a diverse background of implementing DBT. With the New York City’s Department of Health and Mental Hygiene she worked with incarcerated youth and adults. She has worked with individuals with personality disorders, mood disorders, self injury and addictions in her work with Clearview Treatment Programs. She also helped develop an individualized IOP program in Orange County, CA for families and teens with self injury, suicidality, disordered eating, depression and anxiety.


Heather Rosen, PhD

Dr. Rosen is a clinical psychologist specializing in the evaluation and treatment of eating disorders, mood disorders, anxiety disorders, trauma-related disorders, self-injury, and chronic suicidality in adolescents and young adults. She has provided individual, family based, and group therapy in a variety of clinical settings including hospitals, outpatient treatment centers, schools, and private practices.

Dr. Rosen has specific training and experience utilizing evidence-based therapeutic strategies such as Cognitive Behavioral Therapy (CBT), Exposure and Response Prevention (ERP), Dialectical Behavior Therapy (DBT), and Trauma-Focused Cognitive Behavioral Therapy (TF-CBT).

Dr. Rosen earned her doctorate in Clinical Psychology from the Catholic University of America and completed her predoctoral internship at the Lucile Packard Children’s Hospital at Stanford/Children’s Health Council Consortium. During her postdoctoral fellowship at the Stanford University School of Medicine, Dr. Rosen was intensely trained in DBT as a therapist on the Comprehensive Adolescent DBT Team and received extensive training in the assessment and treatment of eating disorders. Dr. Rosen is a certified therapist in Family Based Treatment (FBT) for anorexia nervosa.

Erin Abbott, LCSW


Annyck Besso, MS, RD

Director of Day Programming

Annyck is a Registered Dietitian (RD). After completing a Bachelor’s degree in dietetics, Annyck wanted to explore the research aspect of her field and completed a Masters in dietetics at McGill University. Her goal has always been to specialize in the treatment of eating disorders. She immediately began working in this field after she graduated in 2015. Because of her passion for sports, especially running, Annyck understands that listening to your body rather than controlling it is essential. She is a lover of food and believes in eating mindfully without restrictions. Annyck has specialty training in CBT, DBT and Maudsley Family Based Treatment.

Having worked in one of the largest psychiatric institutes in Canada (The Douglas Mental Health University Institute), Annyck decided to bring her specialty in the treatment of eating disorders in both adult and pediatrics, to Washington, DC. Her mission is to journey with her patients to help them understand that their perception and value of self should not be dependent on their size or diet.

Annyck offers tools to assist her patients in becoming mindful of how physical, social and emotional aspects of eating can have an impact on their food choices and self-confidence. Her goal is to rebuild relationships that people have with food and their bodies, while tailoring her approach to each person’s unique circumstances. Annyck is bilingual and speaks English and French


Catherine Byrne, MA (Pre-doctoral Extern)

Catherine Byrne is a 4th year clinical psychology doctoral candidate at George Mason University. She earned her Bachelor of Arts degree in psychology from Marquette University, where her interest in evidence-based treatment began. Prior to the start of graduate school, Catherine worked as a clinical and research coordinator at the University of Chicago Eating Disorders Program, where she gained extensive knowledge of the use of Family-Based Treatment (the Maudsley Method) for anorexia nervosa.

Throughout Catherine’s graduate training program, she has gained experience utilizing Cognitive Behavior Therapy (CBT), Cognitive Processing Therapy (CPT), Dialectical Behavioral Therapy (DBT), and Exposure with Response Prevention (ERP). Catherine has worked with children, adolescents, and adults in both individual and group settings. She is actively involved in research and has published articles related to increasing the efficacy of treatment for eating disorders.

 Catherine will receive her Ph.D. in clinical psychology from George Mason University in 2020. Catherine is supervised by  Elizabeth Wine, PsyD and Sarah Fischer, PhD.


Lauren Breithaupt, MA (Pre-doctoral Extern)

Lauren Breithaupt is a 5th year doctoral student in George Mason University’s Clinical Psychology program, working with Dr. Sarah Fischer. Throughout Lauren’s graduate training program, she has had trained in a variety of evidence-based treatments for eating disorders, depressive disorders, anxiety disorders, trauma, and chronic illness (i.e., diabetes, gastrointestinal diseases). Lauren has special interest in working with children, adolescents, and families. She has trained in a number of empirically supported treatments such as Dialectical Behavior Therapy, Cognitive Behavioral Therapy and Enhanced Cognitive Behavioral Therapy, Cognitive Processing Therapy, Maudsley Family Based Therapy for adolescent eating disorders, and Exposure with Response Prevention.

Lauren is actively involved with research. Her research aims to create more effective eating disorder prevention and treatment programs. To do so, she investigates the psychological and biological factors which create and maintain eating disorder thoughts and behaviors. She has published over a dozen peer-reviewed journal articles and book chapters on eating disorders. Funded by the National Science Foundation Graduate Research Opportunities Worldwide, Lauren spent the Fall and Summer 2017 semesters at the Center for Eating Disorder Innovation, Karolinska Institute, working under Dr. Cynthia Bulik to understand the genetics of anorexia nervosa.

Lauren will receive her Ph.D. in clinical psychology from George Mason University in 2019.


Alyson Nuno

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Alyson Nuno is the Clinical Coordinator for Potomac Behavioral Solutions. Alyson is currently a graduate student in the Executive Master’s in School and Mental Health Counseling program at the University of Pennsylvania. She has training in Cognitive Behavioral Therapy and has an interest in the research and treatment of depression, anxiety, and obsessive-compulsive disorder. Alyson has a BA in Foreign Language and Literature from the University of Delaware.

Latoya Pendarvis

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Sara Alavi

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Sara is an Intake Coordinator at Potomac Behavioral Solutions. Prior to joining our team, she was a Clinical Research Coordinator for the eating disorders program at Mount Sinai. In this role, Sara managed research studies and assisted with the intake process for the clinic. She also completed an internship as a counselor for adolescents with ADHD, ASD, and comorbid problems at Florida International University’s Summer Treatment Program. Sara received her BA in Psychology and Studio Art from Vanderbilt University and worked as an undergraduate research assistant at a lab for child psychopathology.