Founder & Medical Director

Dr. Mark Sakran (he/him) was born and raised in Fairfax, Va. He received his Bachelors of Science in Biology from George Mason University and obtained his Doctorate in Medicine from The University of Saint Eustatius School of Medicine. He completed his General Adult Psychiatry residency at Hennepin-Regions Hospital in Minneapolis, Minnesota and his Child and Adolescent Psychiatry sub-specialty fellowship training at Georgetown University.

Dr. Sakran enjoys working with families and strives to thoroughly understand the needs of each of his clients. He approaches treatment by focusing not just on the individual, but rather by working closely with all those involved in his patients’ lives to create a personal and effective treatment plan unique to each client. He has extensive training and experience in treating a wide array of disorders including ADHD, Mood/Bipolar disorders, Behavioral disorders, Anxiety, and Depressive disorders.

In addition to his private practice work in McLean VA, Dr. Sakran also overseas the treatment and medication management in a residential and partial hospital program in an addiction center in Arlington, VA and consults for and treats patients at “The Dorm,” a young adult intensive outpatient program located in Washington, D.C.

Dr. Sakran understands the depth and gravity of placing children on medications.  He always cautiously weighs out the risks vs. benefits of utilizing medications, and only does so when necessary to support other non-pharmacologic interventions.

Founder & Chief Clinical Officer

Jennifer Weaver, LCSW (she/her) is a Founder and the CCO (Chief Clinical Officer) of Helix Center. She has provided child and adolescent, parent, and family psychotherapy in the area for over 20 years. In 2006, she founded Weaver and Associates, a well-regarded private practice of 14 child and adolescent therapists in McLean, Virginia. Her practice is especially known for both its skilled clinicians and its cutting-edge, evidence-based, highly effective treatments. Ms. Weaver is rated one of the “Best Child Therapists” in Washingtonian magazine.

Ms. Weaver served as a valued member of the adjunct faculty at Catholic University of America for over 16 years, teaching Master’s level courses in therapeutic work with children, adolescents, and young adults. She continues to provide professional trainings as well as provide lectures and workshops for parents, institutions, and high school student bodies and classes.

Ms. Weaver has provided her expertise for articles and interviews with the Wall Street Journal, Parents Magazine, Washingtonian, Newsy, in the textbook Developmental Play Therapy (Timberlake and Moore), and was an early mental health consultant for the hit NPR show Invisibilia.

In  her direct work with adolescents and their parents, Ms. Weaver specializes in Dialectical Behavioral Therapy (DBT), helping kids learn to regulate their own emotions more effectively; Mentalization, helping them improve their sense of themselves and their relationships; and Cognitive Behavioral Therapy (CBT), including Exposure and Response Prevention (ERP), for depression, anxiety and OCD. Her career has focused discovering, studying, and teaching the most effective ways for mental health professionals to help struggling kids and their families.

Clinical Director

For over 25 years, Amy Killy, LICSW (she/her) has been providing mental health services in the Washington, DC area.  Her experience as a high school counselor at local independent schools has given her critical insights into the lives of children and adolescents, and those who parent them.

By providing psychotherapy to teens, young adults, and parents, Ms. Killy has helped individuals and families address challenges, shift gears, make positive change, and ultimately, attain the growth they seek. She believes deeply that everyone deserves to be heard, valued, and treated with dignity, and is committed to providing a safe, nonjudgmental atmosphere where clients feel understood and supported.

Using an integrated approach, Ms. Killy specializes in providing treatment to address anxiety, depression, relationship issues, life transitions, and is particularly passionate about helping parents develop strategies to manage challenges with their children, to improve relationships, and create a more peaceful and cooperative household.  Ms. Killy is specially trained in Dialectical Behavioral Therapy (DBT), Acceptance and Commitment Therapy (ACT), Good Psychiatric Management for Adolescents (GPM-A), as well as Supportive Parenting for Anxious Childhood Emotions (SPACE), a parent-based treatment developed to address anxiety in children. .  In addition to providing psychotherapy and consultation, by offering workshops, hosting book discussions, and developing psycho-educational programming, she has assisted countless parents explore communication and parenting styles while aligning their values with their actions.

Throughout her career, Ms. Killy has won several awards, including Community of Concern Counselor of the Year for her work in creating a national model for purposeful and meaningful conversations among parents and teens about substance use and the ConnectDMV Beacon of Light Award for her social justice, equity, and community work on issues of sexual assault and consent. She has been interviewed by NPR and PBS NewsHour and has presented both locally and nationally on issues including anxiety, confidentiality and ethics, diversity, sexual assault and consent, and social media.  As a featured guest on a number of podcasts, Ms. Killy has helped parents address current events, violence and tragedy, and navigate other difficult conversations with their children.

Child, Adolescent & Adult Psychiatrist

Dr. Ashnoo Nanavati was born and raised in East Brunswick, New Jersey. She received double Bachelors in Health Promotion and Disease Prevention Studies (B.S.) as well as Neuroscience (B.A.) from The University of Southern California. She then attended  Rutgers- Robert Wood Johnson Medical School. She completed adult psychiatry residency at Medical University of South Carolina located in Charleston, South Carolina. Dr. Nanavati went on to complete her child and adolescent fellowship at Georgetown. She currently resides in Northern Virginia with her husband and son.

Dr. Nanavati enjoys working with patients and their families to provide diagnostic assessments, psychotherapy and medication management for children, adolescents and adults with a holistic, patient-centered and evidence-based approach. Dr. Nanavati has experience working in the NIMH’s Neurodevelopmental and Behavioral Phenotyping Service and a special interest in working with children with developmental disorders and autism spectrum disorder


Prior to relocating to the Washington D.C. area, Victoria has worked in both Massachusetts and New York with a wide range of populations. Ms. Sayeg holds experience working across the age spectrum with children, adolescents, adults and elders.  Victoria received her Master’s in Social Work from Simmons University and additionally studied in The Netherlands at the Vrije University Psychology & Sciences program. Victoria has provided services in a variety of environments including inpatient, outpatient, higher education, and community-based work.  Ms. Sayeg has a background working with adolescents, young adults and parents concerning suicidality, self-harm behaviors, anxiety, depression and trauma.

Victoria joins the Helix team bringing a passion for working with youth and for helping to reconnect families through challenging situations.  Ms. Sayeg has previously provided parent coaching, psychotherapy, and crisis service support. Victoria holds the belief in looking beyond the diagnoses and labels to shed light on and share the beauty of each person; through cultivating connections and compassion, each individual can strive toward their potential and enhanced quality of life.


Born and raised in Northern Virginia, Amy Fourney (she/her) has worked with a diverse range of clients coping with challenges such as anxiety, depression, gender identity issues, life transition, family relationships.

After receiving her undergraduate degree in sociology from James Madison University, Amy earned a master’s degree in clinical mental health counseling from The George Washington University. During that time, she counseled clients at GW’s Community Counseling Services Center and The Women’s Center in Vienna, Virginia, a nonprofit community program for families dealing with domestic violence and other issues. She also completed suicide prevention training and worked with the CrisisLink Suicide Hotline.

Amy’s work with young people has shaped her commitment to building resilience among this underserved population. After graduate school, Amy started her residency at a private practice in Falls Church, Virginia, working with teens and emerging adults. As an undergraduate intern, she provided support for the outpatient behavioral health program for adolescents and young adults at Rockingham Memorial Hospital in Harrisonburg, Virginia.

By providing a relaxed, safe space for people from all backgrounds, Amy helps her clients find the self-care approach that works for them. Working from a framework of Acceptance and Commitment Therapy, she helps them regain control of their experiences through mindfulness and behavior modification. Amy also is trained in Mindfulness Based Stress Reduction and draws on interventions used in Dialectical Behavioral Therapy and the principles of Attachment Theory to create a toolbox for understanding relationships, grounding emotions, and coping in times of crisis.

Amy is passionate about working with teens and families during this tumultuous time when access to youth mental health services is scarce. By addressing important family relationships, she aims to help teens break through survival mode so they can build the skills and confidence they need to tolerate life’s pain and focus on what brings them joy.


Brianna graduated from George Mason University’s Counseling and Development program with a concentration in Community Agency Counseling. She is currently a Resident in Counseling working towards LPC licensure for Virginia.

Brianna’s fundamental therapeutic orientation is person-centered theory, with particular attention to clients’ needs to better tailor their therapeutic experience. She also utilizes Cognitive Behavioral Therapy (CBT), Psychodynamic theories, and a Strengths-based approach to empower clients to realize and actualize their potential.

Brianna has worked to serve (pre-)adolescents and young adults with varying concerns and who are simply working to discover their ever-evolving identities and determine where they fit in.

Brianna has utilized Relational-Cultural Theory, Trauma-Informed therapy, and Mindfulness in her research on the implications of Group Counseling on the mental health and coping of activists. She is currently engaging in continued education in the following areas: DBT, ACT, and GPM-A.