Alex Berthé, LCSW-C, Owner / Psychotherapist

Alex earned his B.A. from Columbia University in 2003, where he was a dedicated four-year member of the Lions' Division I men’s varsity soccer team, followed by a year in the United Soccer League. His experiences as a collegiate and professional athlete sparked his deep interest in sports psychology and peak performance.

After graduation, Alex gained invaluable experience in the nonprofit sector, directing supplemental education and character-building programs for youth in underserved communities across the DC metro area. This remains one of the most fulfilling chapters of his life.

In 2009, Alex returned to school, earning his MSW from the Catholic University of America in 2011. Since then, he has worked extensively with youth and families. He taught and counseled at several all-boys independent schools in the DC metro area, provided individual and group psychotherapy with leading private practice groups in Bethesda, and eventually founded his own practice.

Alex is also a sought-after speaker on child, adolescent, and parenting topics. His engaging talks have received glowing reviews for their practical insights and relatable approach.

Dedicated to lifelong learning, Alex has completed extensive training programs, including:

  • Child and Adolescent Training Program at the Washington School of Psychiatry

  • National Group Psychotherapy Institute Program at the Washington School of Psychiatry

  • Cognitive and Behavioral Therapy through the Cognitive Behavior Training Institute

  • Fellowship Program at the Institute of Contemporary Psychotherapy and Psychoanalysis

  • Dialectical Behavior Therapy (DBT) Skills training through Behavioral Tech

When he’s not working, Alex treasures time with his wife of over a decade and their five children. His personal experiences as a husband and father fuel his passion for helping couples, parents, and families navigate life’s challenges with confidence and connection.

Memberships

  • Washington School of Psychiatry

  • Greater Washington Society for Clinical Social Work

  • American Group Psychotherapy Association

Brian Reilly, LMSW, Psychotherapist

Brian Reilly is a licensed psychotherapist who helps teens and young adults work through anxiety, loneliness, anger, grief, and life transitions. His clients often seek therapy to build stronger relationships, set healthier boundaries, and reconnect with a sense of purpose.

Brian’s path to becoming a therapist began after surviving a traumatic accident that left him with symptoms of PTSD. Through his own healing, he experienced the life-changing potential of therapy and became committed to helping others turn pain into growth.

He holds a Master of Social Work from the University of Maryland, Baltimore and a bachelor’s degree from Princeton University, where he was a four-year member of the Division I men’s lacrosse team and later served on the University’s Board of Trustees.

Brian primarily uses psychodynamic therapy, while also integrating cognitive-behavioral tools and mindfulness practices to support emotional regulation and insight. His style is relational, grounded, and client-centered.

Fluent in English and Spanish, Brian offers bilingual therapy in a culturally responsive environment. Before becoming a therapist, he taught, coached, and mentored students in Maryland and led youth development programs across Latin America—experiences that continue to shape his compassionate, purpose-driven approach.

Outside of work, Brian enjoys spending time with his wife and son, baking bread, traveling, fly-fishing, and surfing.

Adam Diaz, Clinical Mental Health Counseling Intern

   Adam Diaz is in the process of obtaining his LCPC licensure in Maryland and is currently completing his internships at Berthé Counseling under the supervision of Alex Berthé. He holds the position of Director of Wellness at Landon School in Bethesda, Maryland, an all-boys institution serving grades 3-12. In this role, Adam oversees the counseling program and the health curriculum across all divisions. His responsibilities include providing support to students and families dealing with anxiety, collaborating with academic teams to assist students with ADHD and ASD, and managing medical leaves of absence for those entering inpatient programs.

    With nearly fifteen years of experience in education, Adam has served as a school counselor, football and tennis coach, teacher, and school administrator. His extensive work with children and adolescents has inspired him to pursue a career as a therapist. Adam's primary focus is on supporting boys facing academic and emotional challenges, as well as offering guidance to families and educators. He has published research on fostering emotional granularity in boys and employs a cognitive behavioral therapy (CBT) framework to facilitate skill development, address cognitive distortions through cognitive restructuring, and implement mindfulness strategies.

    Currently, Adam is completing his Master of Science in Clinical Mental Health Counseling at the University of Tennessee, where he also serves on the advisory board for the Clinical Mental Health Counseling program and the Wellness Committee for the University of Tennessee system. He holds a Master’s in Education from the University of Granada and a Bachelor’s degree from Georgetown University. Additionally, Adam is multilingual, speaking Spanish, Catalan, and French. Outside of work, he enjoys playing tennis, traveling, hiking, and spending quality time with friends and family.