Our Team

Layla Kassem PsyD, PhD

Dr. Layla Kassem received her first doctorate degree in 1992 and her second in 2012 from the University of Chicago. She founded Malachite Institute for treatment and training in 2010 in Washington, DC. In 2013 she established an international branch of Malachite, and in 2017 the Institute moved to Bethesda, MD where it now operates with a team of exceptional mental health providers with a range of expertise and specialties.

Dr. Kassem has 28 years of experience in teaching, conducting research, and psychotherapy. Her areas of expertise include, trauma, couple therapy, and group therapy. She has a keen interest in transcultural psychology, understanding resilience, and neuropsychology. She has extensive experience working with Mood Disorders, Post traumatic stress disorder, Schizophrenia, Adjustment disorder, and Personality Disorders. Her therapeutic approaches are always tailored to the unique needs of the individual. Her philosophy and mission were, and continue to be creating an environment where potential is unlocked and dreams are realized.

Dr. Kassem enjoys teaching, traveling, reading, horseback riding and fencing.



Jessica Hilbert, Post-Doctoral Fellow

Dr. Hilbert graduated from Sarah Lawrence College with her B.A. She then earned her masters and doctorate in Clinical Psychology from The Chicago School of Professional Psychology's D.C. campus. She has since worked in private practice and community mental health centers. Psychology allows her to combine her passion for helping those who are struggling with difficult emotions with her desire to work in a social profession. She has experience helping with mood disorders like depression, anxiety, stress, trauma/loss/bereavement, and relationship difficulties. She integrates interventions from Interpersonal, Client-Centered, Cognitive-Behavioral Therapy, Dialectical Behavior Therapy, and Mindfulness based practices.

In her free time, she enjoys Argentine tango, reading, outdoor activities, and watching theater and dance.


Amy Rossmeisl, M.S.

Ms. Rossmeisl graduated magna cum laude with a B.A. in Psychology and Studio Art from the University of Maryland, College Park. She continued her studies at Howard University, graduating cum laude with
her M.S. in Psychology.

Ms. Rossmeisl has worked in acute residential, outpatient, and school treatment settings. She has experience working with youth, adolescent, adult, and geriatric clientele. Ms. Rossmeisl specializes in treating individuals with anxiety, depression, bipolar disorder, trauma, eating disorders, and co-occurring disorders. She also has a special interest in preventive care, specifically with at-risk populations.

Ms. Rossmeisl implements a variety of therapeutic modalities, including Cognitive-Behavioral, Dialectical Behavior, Client-Centered, and Existential Therapies.

In her free time, Ms. Rossmeisl enjoys reading, drawing, painting, photography, and nature.




Erica Wilson, PhD

Dr. Erica Wilson graduated high school from Piney Woods School. She received her BS in Biological Science from the University of Southern Mississippi. Her MS in Biomedical Science from The University of Mississippi Medical Center, and her Doctorate in Professional Counseling and Psychology from Mississippi College.

Dr. Wilson is a Certified Mental Health Therapist specializing in working with children, adolescents, and adults. Her training and experience includes working in group homes and residential settings with children and adolescents. She has several years of experience working with families, children, adolescents, and adults. Dr. Wilson specializes in treating PTSD, ADHD, ODD, Schizophrenia, Mood disorders (depression, anxiety, bipolar disorder), and Alcohol and Drug Disorders. Dr. Wilson is also experienced in helping differently abled adults (18-80). Her therapeutic approaches include a combination of evidence-based practices such as Cognitive Behavioral Therapy (CBT), Trauma Focused-CBT, Person-Centered, Reality Based, Behavioral Therapy, and Positive Psychology. Her passion is bringing hope and healing to individuals who have been through traumatic events. Her goal is to guide clients on their journey of self-discovery and development.

In her free time she enjoys spending time with her husband and children, reading, Do-it-yourself projects, and shopping.

Helpful Forms

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