Dr. Saeed Hashem is an academic Geriatric psychiatrist at McLean Hospital and an Instructor of Psychiatry at Harvard Medical school with expertise in working with older adults and memory disorders. 

He earned his medical degree in 2010 from Ain Shams University in Cairo, Egypt, where he also completed his residency training in Neurology and Psychiatry. During his residency, he obtained a Master of Science (MSc) in Clinical Neuroscience with honors, with a focus on neurodegenerative diseases. After working briefly as an Assistant Lecturer of Psychiatry and an outpatient psychiatrist at Ain Shams University, he moved to NY where he re-trained as a resident of Psychiatry, an administrative chief resident of Psychiatry, and a clinical/research fellow of Geriatric Psychiatry & Alzheimer's disease at SUNY Downstate Health Sciences University. His commitment to advancing public health led him to pursue additional certification as a Certified in Public Health (CPH)  in Geriatrics with honors from the School of Public Health at SUNY Downstate.

Throughout his career, Dr. Hashem has been actively involved in research, education, and clinical practice. His scholarly endeavors have focused on psychopharmacology, health promotion, education of primary care providers on geriatric care, and the utility of Artificial Intelligence (AI) in the clinical care of older adults. 

Currently, Dr. Hashem serves as a geriatric psychiatrist in the Geriatric Outpatient Clinic (GOPC) and the Memory Disorders Assessment Clinic (MDAC) at McLean Hospital, South Belknap building. He also works as a clinical researcher and a sub-investigator in a variety of clinical trials within the Geriatric Psychiatry Research Program (GPRP) - with a focus on treatments for treatment-resistant mood disorders in older adults and Alzheimer's disease and related dementias (ADRD).

Alexis Freedberg, MD, is a geriatric psychiatrist specializing in the complex medical and behavioral needs of older adults. Prior to coming to McLean, she oversaw clinical training as core psychiatry faculty at Cambridge Health Alliance, was an associate professor of Psychiatry at Tufts University School of Medicine, an associate program director for the psychiatry residency at Tufts University, and the associate medical director of inpatient geriatric medical psychiatry at Lawrence Memorial Hospital.

Dr. Freedberg earned an award at Tufts for outstanding faculty teaching. As medical director of behavioral health for Perfect Health, she leads a team providing mental health care for frail homebound older adults with complex medical needs, utilizing a primary care integration platform to improve access and outcomes. Her clinical expertise spans acute and community settings, including hospitals, ECT services, assisted living facilities, and patients’ homes.

Lydia Cho, PhD, ABPP, is board certified in clinical neuropsychology by the American Board of Professional Psychology. She received her doctorate in clinical psychology from Teachers College, where she provided psychodynamic play therapy to children and adolescents, and psychodynamic interventions to adults. She gained practicum experiences in neuropsychological and psychodiagnostic assessments on adult and forensic patients at Bellevue Hospital. On internship at the VA NY Harbor Healthcare System in Brooklyn, New York, she worked with substance abuse and older adult populations, providing psychotherapy and neuropsychological assessments.

Dr. Cho completed the Geropsychology Fellowship at the VA Boston Healthcare System and gained further expertise on the Neuropsychology Post-Doctoral Fellowship at McLean Hospital. She has continued at McLean Hospital as a staff psychologist/neuropsychologist and thoroughly enjoys assessing neurocognitive functioning, clarifying psychiatric diagnoses, conferring with interdisciplinary treatment teams, and supervising post-doctoral fellows.

Ariel Warren MSN AGNP-BC, is a full-time adult-geriatric nurse practitioner in the Division of Geriatric Psychiatry. Her work is focused on memory evaluations and follow up dementia care at McLean’s memory clinic. She is also involved in research projects and as a sub-investigator for clinical trials. 

Ariel completed her BSN at New York University Medical Center and her MSN at Hunter College. She previously worked at New York University Medical Center’s Pearl Barlow Memory clinic where she also split her time between clinical care and research. Her interest is focused on providing broad spectrum neurodegenerative care, as well as following patients longitudinally clinically and research focused during their disease spectrum.  

Elise I. Welton, PsyD, is a clinical neuropsychologist specializing in the evaluation of adult and geriatric patients presenting with cognitive changes in the context of neurological, medical, and psychiatric illness. Dr. Welton is a staff psychologist and director of the Neuropsychology Practicum in McLean’s Neuropsychology Department. She enjoys integrating results from neuropsychological and psychodiagnostic measures to help patients and their providers gain insight into domains of functioning which may serve as sources of strength, as well as those which may be the target of intervention.

She received training in neuropsychology and psychodynamic therapy at Ferkauf Graduate School of Psychology. Dr. Welton was also trained in dementia clinics at Columbia University and Weill-Cornell Medical Center, and continued neuropsychology training at the Manhattan VAMC. She completed a neuropsychology-emphasis internship at the Miami VAMC, then fulfilled a two-year post-doctoral fellowship at Montefiore Medical Center where she gained experienced assessing children ages 8-18, in addition to adult/geriatric cognitive evaluations.

Jennifer is a full-time Geriatric Psychiatric Nurse Practitioner in the Division of Geriatric Psychiatry. Her clinical work focuses primarily on outpatient psychopharmacological management in the older adult population. She also performs clinical assessments for ongoing research projects and provides oversight as a sub-investigator for multiple clinical trials in McLean’s Geriatric Psychiatry Research Program.

Jennifer completed her undergraduate nursing degree at Loma Linda University School of Nursing in 2011 and her advanced practice nursing degree at Regis College in 2019. During her time at Regis College, she was inducted into the Sigma Theta Tau International Honor Society of Nursing. Jennifer also completed part of her student training at Mclean Hospital's Cognitive Neuropsychiatry Unit and Hill Center for Women.

She is a board certified Psychiatric-Mental Health Nurse Practitioner and an active member in the American Psychiatric Nurses Association (APNA). Jennifer is also a member of the Nursing Research McLean Group, and her research interests include neuropsychiatric and behavioral management in patients with dementia.

Marie Clouqueur, LICSW, MSW, MA leads the dementia support program in Division of Geriatrics. Her clinical work provides group and individual psychotherapy to improve caregiver resilience and to support people living with dementia. She is involved in research on dementia caregivers and in training dementia care professionals. Marie additionally co-leads the diversity, equity, and inclusion efforts in the Division. Prior to her current role, Marie worked in community mental health, residential and inpatient settings, all of which is informed by years of ongoing volunteer work with marginalized populations.  Marie holds a BA from Middlebury College and completed a dual master program in Clinical Social Work and Theology at Boston College.