Adeeb Yacoub, MD | Talkiatry
Adeeb Yacoub, MD
Education and training
- Faculty of Medicine Alexandria University Alexandria, MB.ChB
- State University of New York at Stony Brook, Residency
Get to know
Adeeb Yacoub, MD
Dr. Yacoub received his medical degree from Alexandria University and completed his psychiatry residency at Stony Brook University Hospital. He is double board certified in both general adult psychiatry and consultation & liaison psychiatry with over 20 years of clinical experience. After serving as chief resident, he joined Stony Brook University and became Associate Professor in clinical psychiatry. During his tenure at Stony Brook, Dr. Yacoub was director of the ECT service treating many patients with complex psychiatric disorders, which include treatment-resistant depression, severe bipolar disorders, psychotic disorders, anxiety disorders, obsessive compulsive disorder, and post traumatic stress disorder. He also served as director of the medical student psychiatry clerkship where he received numerous teaching awards like Alpha Omega Alpha and Aesculapius Award for Excellence in Medical Education. Dr. Yacoub is an excellent diagnostician with expertise in complex mood disorders, psychotic disorders, interventional psychiatry, and advanced psychopharmacology. He has multiple publications and abstracts presented. Dr. Yacoub focuses on the interconnectivity of the mind, body, and soul. His care is only exceeded by his vast medical knowledge. In addition to medication management, he is proficient in supportive and interpersonal psychotherapy. He has treated adults, geriatric patients, and diverse populations including but not limited to LGBTQ+ and veterans. He is dedicated and empathetic to all his patients.

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Aneela Ali, MD
Staff Psychiatrist
Dr. Aneela Ali is a Board-certified Adult Psychiatrist. She completed medical school at Jinnah Sindh Medical University, Karachi, and her Psychiatry Residency training at Metropolitan Hospital Center, New York. After her residency, she pursued some additional training in consult liaison psychiatry, further developing her expertise in caring for patients with complex medical and psychiatric comorbidities. She was part of the esteemed faculty at Stony Brook University as an Assistant clinical Professor and staff Psychiatrist. She has also gained experience in Telehealth, providing virtual care to patients and enjoying the flexibility and convenience it offers. She treats various mental health conditions including depression, anxiety disorders, Bipolar disorder, PTSD, and OCD. Dr. Ali takes time to explain complex concepts in a clear and accessible way, equipping her patients with the knowledge they need to make informed decisions about their care. Her compassionate approach puts patients at ease, allowing them to open up and embark on a journey of healing and recovery. By actively involving patients in their treatment, Dr. Ali empowers them to take an informed and active role in their care, fostering a collaborative relationship that promotes well-being and understanding.

Samuel Russell, MD
Staff Psychiatrist
Dr. Samuel Russell is a psychiatrist at Talkiatry. He is board certified in Addiction Psychiatry and Adult Psychiatry. His particular clinical focus is on the treatment of Obsessive Compulsive Disorder, and behavior addictions, as well as trauma, mood, and anxiety disorders. Dr. Russell's practice focuses on evidence-based treatments for psychiatric illness that utilizes a combination of medications and psychotherapy modalities best suited for an individual patient and their needs. He offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Weekly hour-long psychotherapy may be available if indicated. However, occasionally, Dr. Russell may believe that different therapies are also needed and ask that you bring a therapist into your care team to provide the best outcome. He received his medical education at the University of Washington in Seattle after completing undergraduate studies in psychology and later a post-baccalaureate at Boston University. After residency at the University of Chicago where he specialized in addiction psychiatry and psychotherapy, he completed an Addiction Psychiatry Fellowship at the University of Washington in Seattle.

Erica Mark, MD
Staff Psychiatrist
Dr. Erica Mark is a board-certified psychiatrist with experience in both inpatient and outpatient care. She formerly served as a Staff Psychiatrist at a VA Medical Center, where she specialized in the mental health needs of veterans. Dr. Mark earned her B.S. in Biological Sciences, Summa Cum Laude, from Hampton University, received her MD from the University of Texas Medical Branch, and completed her psychiatry residency at Tulane University School of Medicine, serving as Chief Resident in 2017.
Dr. Mark fosters a warm, supportive environment where patients feel heard and respected. She values open communication and works collaboratively to set clear, personalized treatment goals. Deeply committed to service, she has supported underserved and marginalized communities through various nonprofit initiatives.
During initial sessions, Dr. Mark takes time to understand each patient’s history, concerns, and goals. She then creates individualized treatment plans aligned with each patient's unique needs and preferences. Dr. Mark encourages ongoing dialogue to adapt care plans and support long-term progress.

Glenn Hann, PMHNP
Staff Nurse Practitioner
Glenn is a Board-Certified Psychiatric Mental Health Nurse Practitioner with nearly 30 years of experience in health care, dedicated to addressing the mental health needs of his community. With a background in both inpatient and outpatient settings, he is committed to helping individuals become the best versions of themselves—no matter where they are in their journey at the time of their first appointment.
Outside of work, Glenn enjoys spending time with his family, biking, and being outdoors.
He takes a patient-centered approach and emphasizes that he, too, is human. Everyone faces challenges at different times and in different ways. Glenn adopts a holistic perspective, recognizing that effective treatment involves understanding how life challenges impact a person as a whole. He is dedicated to providing compassionate, empathetic, and practical care to all his patients.
Glenn engages with patients in a way that makes it easy and natural for them to share their stories. From there, he promotes a shared decision-making approach to develop the most effective treatment plan. His areas of expertise include psychopharmacology, as well as Cognitive Behavioral, Supportive, and Psychodynamic therapies.

Deora Johnson, PMHNP
Staff Psychiatric Nurse Practitioner
Deora Johnson, PMHNP, is a board-certified adult psychiatric nurse practitioner with 24 years of experience. He is passionate about providing clients with a holistic approach to mental health care, incorporating both pharmacologic and non-pharmacologic interventions. Deora works with adult and senior populations, focusing on the assessment, diagnosis, and treatment of mental health conditions. He collaborates closely with clients to guide them through understanding and selecting the most effective interventions and medication management options for their needs. Supportive therapy, solution-focused therapy, and motivational interviewing are integral components of his medication management sessions.
Deora earned his Master of Science in Nursing from Vanderbilt University in Nashville, Tennessee, and completed a nursing practice degree at the University of Alabama in Birmingham. He has experience treating patients in a variety of outpatient and inpatient settings.
His areas of specialty include the treatment of major depressive disorder, anxiety disorders, bipolar disorder, ADHD, PTSD, and insomnia. His research focused on non-pharmacologic interventions for insomnia in individuals with depression.
Deora also has experience working with military veterans. At the VA Outpatient Clinic in Baltimore, Maryland, he treated veterans returning from Operation Iraqi Freedom and Operation Enduring Freedom, as well as those from the Vietnam and Korean War eras. His clinical work focused on PTSD, major depressive disorder, anxiety disorders, and bipolar disorder.
Deora believes the therapeutic relationship offers a unique opportunity to work collaboratively through life’s challenges. He views medication management as an important part of a comprehensive treatment plan that also includes therapy.

Justine Chilelli, DO
Staff Psychiatrist
Dr. Justine Sever Chilelli, DO, earned her medical degree from the Lake Erie College of Osteopathic Medicine and completed her psychiatry residency and child and adolescent fellowship at the University of South Florida. She is board certified in General Psychiatry and Child and Adolescent Psychiatry. Her experience includes treating children, adolescents, and adults across outpatient, inpatient, consultation-liaison, school-based, and residential settings.
Dr. Chilelli values a collaborative, team-based approach where she and her patients work together to build a treatment plan. She emphasizes open and honest communication, aiming to improve quality of life and reduce the impact of mental health symptoms.
In the initial appointment, Dr. Chilelli focuses on understanding each patient’s history, concerns, and goals. She then develops individualized treatment plans that align with those goals, ensuring care that is thoughtful, supportive, and tailored to each patient’s needs.