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Clinicians

 

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Heather Powell, Ph.D.
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Dr. Powell is a licensed psychologist who specializes in the neurocognitive assessment and treatment of children and adolescents with attention deficit disorders (ADHD), learning disabilities, psychiatric illness, and emotional and/or behavioral issues. She also has experience working with gifted and talented as well as twice exceptional (i.e., gifted students with learning challenges) students.

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In addition to psychological evaluations, Dr. Powell provides psychological and behavioral treatments for children and adolescents who may be struggling with a variety of issues, including anxiety, depression, and anger problems. She utilizes a strengths-based approach, helping children and families identify strengths and learn to use them to address their challenges. Dr. Powell's treatment style relies mainly on cognitive and behavioral strategies to increase coping skills, and decrease maladaptive responses to stress. She also specializes in gradual exposure techniques to address anxiety.

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Dr. Powell has worked in a variety of mental health and educational settings, including psychiatric hospitals, residental treatment centers, children's hospitals, public schools, and community private practice. She holds a Masters in Psychology from American University in Washington D.C. and a Ph.D. in School Psychology from the University of South Florida. She completed a clinical internship at the Kennedy Krieger Institute/Johns Hopkins School of Medicine, and a two-year post-doctoral fellowship at the Johns Hopkins School of Medicine. She then served as a staff psychologist at the Johns Hopkins Hospital for a number of years before opening Jones Falls Psych Associates in 2012.

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Dr. Powell is a member of the American Psychological Association and the Maryland Psychological Association, and serves on the Board of Directors of the Maryland branch of the International Dyslexia Association.



Dr. Powell is originally from the Midwest, but has lived in the Baltimore area since 2006. She currently lives in Towson with her husband and three children.

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Jessica Hankinson, Ph.D.

Dr. Hankinson is a licensed psychologist with extensive experience working with children, adolescents, and their families to treat adjustment, anxiety, mood, and behavioral concerns.  She takes a skills-based approach to help individuals and families learn strategies to cope with emotional distress, improve daily functioning, and overcome obstacles to their general well-being.  Dr. Hankinson also specializes in working with individuals and families to promote adjustment to chronic and acute medical conditions such as chronic pain, elimination disorders/toileting problems, gastrointestinal and urological problems, sleep problems, headaches, injury or surgery, kidney disease, heart disease, diabetes, cancer, cystic fibrosis, asthma, and various neurodevelopmental disorders.  Her treatment approach addresses the interplay between physical and psychological health. She utilizes behavioral, cognitive-behavioral, and motivational strategies to increase behavioral compliance, improve coping and adjustment, decrease anxiety and avoidance, and improve overall emotional and behavioral functioning.  

 

Dr. Hankinson has worked in a variety of mental health and medical settings, including a university based community mental health clinic, children's hospitals, and pediatric medical specialty clinics. She received her B.A. in Psychology from the University of Virginia and her Master's and Ph.D. in Clinical Psychology from the University of South Florida.  She completed a clinical internship and two year post-doctoral fellowship at the Kennedy Krieger Institute/Johns Hopkins School of Medicine.  Most recently, she was on faculty as an Assistant Professor at Johns Hopkins School of Medicine in the Division of Child and Adolescent Psychiatry where she held clinical, research, supervisory, and teaching roles. Dr. Hankinson has been involved in grant funded research projects, presented at numerous national and international conferences, and has co-authored several peer reviewed psychology journal articles and chapter books. 

 

Dr. Hankinson is originally from Wilmington, Delaware.  She has lived in the Baltimore area since 2008.  She resides in Towson with her husband, 3 children, and dog.

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Megan Williams, M.S., LCPC
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Megan is a Licensed Clinical Professional Counselor serving children of all ages and their families.  She uses a strengths-based approach to build resilience in the face of challenge and change, tailored to each individual situation. 

 

Megan specializes in the treatment of traumatic stress and has advanced training in Trauma-Focused Cognitive Behavioral Therapy and Eye Movement Desensitization and Reprocessing (EMDR).  She also supports clients to manage anxiety, depression, grief, adjustment stress, ADHD, oppositional behaviors, and more. She uses engaging methods to help children and parents explore their experiences, develop coping skills and strategies, change difficult behaviors, and develop lasting solutions.  Her integrative therapeutic approach includes play therapy, attachment-focused interventions, behavioral therapy, and parent-child interaction therapy. She views parents and caregivers as essential partners in the healing process.

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Megan holds a Masters degree in Counseling Psychology from Loyola University Maryland.  She worked as a therapist in a community mental health center in northeast Baltimore, treating a wide range of clinical concerns in children and adults as well as leading the child therapy team and serving as the assistant director of the outpatient clinic. Megan has also served as a staff care therapist at the U.S. Agency for International Development.  She is a Licensed Clinical Professional Counselor and Approved Supervisor in Maryland and a Licensed Professional Counselor in the District of Columbia.

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Megan’s interest in mental health was inspired by the first half of her career working in international relief and development.  She spent more than a decade supporting child development and child protection programs, primarily in post-conflict contexts in East and West Africa, and more recently mental health programs in Ukraine.  Focusing on family and community-based interventions has instilled a deep appreciation for resiliency across cultures.  Megan has experience supporting families who are living in challenging contexts, including people working with the U.S. Foreign Service and NGO communities.  This includes helping “third-culture kids” navigate their changing circumstances. 

 

Megan has lived in Baltimore for more than 20 years.  Outside of work, she enjoys kayaking, spending time with friends and family, and reading science fiction.

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David Wilton, M.S. 

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David is a Registered Psychology Associate who has experience providing therapy for children, adolescents, and adults across a variety of settings. His experience includes treating mood disorders such as anxiety and depression, attention-deficit/hyperactivity disorder, trauma, substance abuse disorders, psychotic disorders, as well as addressing identity exploration, relationship conflicts, and life transitions. David also has experience working with families experiencing divorce, supervising visitations between non-custodial parents and their children. He utilizes techniques from Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Psychodynamic Therapy, and mindfulness practices to meet the unique needs of his clients.

 

David has earned both Bachelors and Masters degrees in Psychology. He is currently pursuing a doctoral degree in Clinical Psychology at Loyola University Maryland. He is also completing two clinical externships at Clifton T. Perkins Hospital Center in Jessup, Maryland, and The Child Guidance Clinic within the D.C. Superior Courts.

 

David currently serves as the President of the Maryland Psychology Association of Graduate Students. He is a member of the American Psychological Association, American Psychology-Law Society, Association of Family and Conciliation Courts, Society for the Advancement of Psychotherapy, Association for the Treatment and Prevention of Sexual Abuse, and the National Academy of Neuropsychology. He is also a Teaching Assistant for Loyola’s doctoral Clinical Psychology program, where he supports students in their ability to practice psychotherapeutic interventions, conduct psychodiagnostic evaluations with adult clients, and administer personality assessments to clients of all ages. 

 

David is originally from Saint Paul, Minnesota, and moved to Baltimore in 2021 to attend graduate school. In his free time, David enjoys rock climbing, cooking, and playing with his two cats.

 

As a Registered Psychology Associate, David practices under the license and supervision of Drs. Powell and Hankinson.

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Ariel Martin, M.S. 
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Ariel is a Registered Psychology Associate who has experience providing therapy for children,
adolescents, and adults in outpatient settings. Her experience includes treating
neurodevelopmental disorders such as attention-deficit/hyperactivity disorder, mood and
anxiety-related disorders and post-traumatic stress disorder. She also supports clients with
personal development through identity exploration, coping with life transitions, and managing
interpersonal relationships. She utilizes an integrative approach in her therapeutic work, which
includes Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Person-
Centered Therapy, Psychodynamic Therapy, and mindfulness techniques tailored to suit the
individual client.


Ariel also has experience engaging in milieu therapy with adolescents and adults in residential
treatment settings. In addition to therapy, Ariel conducts psychoeducational assessments for
clients who seek diagnostic clarity regarding cognitive functioning.

 

Ariel has earned both Bachelors and Masters degrees in Psychology. She is currently pursuing a
doctoral degree in Clinical Psychology at Loyola University Maryland. She is also completing her
clinical externship at the University of Maryland Care Clinic. Ariel is a graduate clinician and supervisee within the Loyola Clinical Center’s religion and spirituality therapy track. She is a member of Psi Chi, the Maryland Psychological Association of Graduate Students, the American Psychological Association, and the Society for the Advancement of Psychology.

 

Ariel was born in Trinidad and grew up in Boston, Massachusetts where she moved from in
2021 to attend graduate school. She lives in Mount Washington and enjoys dancing, singing,
and caring for her plants during her free time.


As a Registered Psychology Associate, Ariel practices under the license and supervision of Drs.
Powell and Hankinson.

© Copyright 2018 Jones Falls Psych Associates

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