Long Island Based Anger Management Company
Our mission at Anger Management U is to revolutionize the way people understand and manage anger though normalization and education. We believe that every single person can benefit from our core anger management skills.
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Our Team
David Morgan
LCSW-R, CAMF
David is the Director of operations of Anger Management U. He is a licensed clinical social worker with over 20 years of experience in private practice. He has worked in a major hospital on the psychiatric in-patient unit and in the psychiatric emergency room. He has worked with children, adolescents, and adults with major psychiatric and substance abuse disorders in both the acute and clinical settings.
Frank Guastella
LCSW
Frank Guastella, LCSW is a psychotherapist who received his MSW at Adelphi University, during which time he interned at an outpatient clinic and residential treatment setting treating individuals with co-occurring mental health and substance use disorders. Concomitantly, Frank worked as a direct support professional and behavioral consultant serving individuals on the autism spectrum in both school and community-based settings. In subsequent years, Frank joined the LIBH | AMU team where he currently facilitates social skills classes and provides anger management coaching, and individual psychotherapy.
Lisa Beneventano
LCSW
Lisa is a licensed clinical social worker who received her MSW from Columbia University’s School of Social Work. Lisa has over 10 years of experience working with families in a variety of settings. She has experience working with children, adolescents, and adults struggling with depression, anxiety, stress, and trauma.Lisa specializes in working with adults on anger management and issues related to parenting, especially parenting children with special needs.
Caitlyn Mccormack
MHC-LP
Caitlyn Mccormack – Caitlyn views therapy as a collaborative approach between herself and her clients. She is currently a Master’s level clinical mental health counseling intern receiving training from The Chicago School of Professional Psychology. After obtaining her undergraduate degree in marketing and communications from Hofstra University and becoming a certified yoga instructor, Caitlyn embarked on a journey toward a fulfilling and meaningful profession as a mental health counselor.
Smurf & Finely
Smurf and Finely are cockapoo puppies that are currently trained to be certified therapy dogs. These sisters are really smart and they aim to please with their unconditional love! They will be ready in the fall to assist our therapists in making our office environment a really comfortable and positive experience.
Marissa Morgan
LCSW
Marissa Morgan is a licensed clinical social worker with over 15 years of clinical experience. She has worked with children, adolescents, and adults with significant mental illness and substance abuse disorders in acute, clinical, and residential settings. Marissa has extensive training in suicide prevention, crisis intervention, individual therapy, family therapy, couples therapy, and group psychotherapy. Throughout Marissa’s career, she has worked with both private and public agencies and has a profound knowledge of these systems.
Summer Thebner
Intake Coordinator
Summer is currently on track to complete her bachelor’s degree in Business Administration. She serves as an Intake Coordinator while supporting our program through social media strategy and content creation focused on mental health education, emotional regulation, and anger awareness.
Through both client coordination and digital engagement, she is passionate about creating approachable pathways to care and fostering meaningful community connection.
Outside of her professional work, Summer enjoys photography, playing instruments, and reading. These creative and reflective outlets allow her to consistently shape her perspective.
John Lynch
LCSW
Meet John, one of our valued therapists at Long Island Behavioral Health! John is a NYS Licensed Social Worker with a Master’s degree from Stony Brook University. He has worked with children, adolescents, and adults in residential and school settings, focusing on mental health issues. John uses an eclectic approach, blending CBT and humanistic therapy to empower clients to take an active role in their care. His lighthearted yet structured approach helps clients form new, healthier coping strategies. Outside of therapy, John is a martial arts enthusiast and is currently training for his 3rd-degree black belt.