Staff Profiles

McLean Hospital’s staff of more than 1,900 caring and compassionate individuals focus on the hospital’s mission to deliver compassionate clinical care, conduct innovative scientific discovery, provide comprehensive professional training, and offer robust public education.

Ellen S. Gillespie, LICSW

McLean Hospital Title:

Clinical Social Worker, Department of Social Work

Joan M. Gillis, MSW, LICSW

McLean Hospital Title:

Senior Clinical Team Manager, Geriatric Psychiatry Inpatient Services

Justin Gillis, MSW, LICSW

McLean Hospital Title:

Outpatient Therapist, Adult Outpatient Services

Loretta Givens, MS, MSN, PCNS, BC

McLean Hospital Title:

Prescriptive Authority Nurse, LEADER Outpatient Clinic, Pentucket Medical Associates

Joseph Gold, MD

McLean Hospital Title:

Clinical Associate in Psychiatry

Harvard Medical School Title: Assistant Professor of Psychiatry

Mass General Brigham Title: Director of Community Child Psychiatry Services, Behavioral and Mental Health

Jessica Goldstein, PhD

McLean Hospital Title:

Staff Psychologist, Arlington School, Child and Adolescent Outpatient Clinic

Harvard Medical School Title: Instructor in Psychology, Department of Psychiatry, Part-Time

Gerardo Gonzalez-Haddad, MD

McLean Hospital Title:

Medical Director, Addiction Treatment Center at Naukeag

Harvard Medical School Title: Associate Professor of Psychiatry

Shelly F. Greenfield, MD, MPH

McLean Hospital Title:

Chief Academic Officer

Harvard Medical School Title: Professor of Psychiatry

Allison Gregg, PhD

McLean Hospital Title:

Post-Doctoral Fellow, Neuropsychology Department

Harvard Medical School Title: Clinical Fellow in Psychology, Department of Psychiatry

Margaret Griffin, PhD

McLean Hospital Title:

Medical Sociologist, Division of Alcohol, Drugs, and Addiction

Harvard Medical School Title: Associate Professor of Psychiatry (Sociology), Part-Time

Michael Grocki, MA, BSN

McLean Hospital Title:

Nurse Director, Short Term Unit

Shereda Grossett, MSN, RN

McLean Hospital Title:

Nurse Director, North Belknap Inpatient Program

Staci Gruber, PhD

McLean Hospital Title:

Director, Cognitive and Clinical Neuroimaging Core

Harvard Medical School Title: Associate Professor of Psychiatry

Nate Gruner, LICSW

McLean Hospital Title:

Staff Behavioral Therapist, Obsessive Compulsive Disorder Institute

Leila Guller, PhD

McLean Hospital Title:

Assistant in Psychology, 3East Residential Programs

Harvard Medical School Title: Clinical Fellow in Psychology, Department of Psychiatry

Perihan Esra Guvenek-Cokol, MD

McLean Hospital Title:

Medical Director, Child and Adolescent OCD Institute

Harvard Medical School Title: Instructor in Psychiatry

Mark A. Halko, PhD

McLean Hospital Title:

Neuroscientist, Schizophrenia and Bipolar Disorder Research Program

Harvard Medical School Title: Assistant Professor of Psychiatry

Mei-Hua Hall, PhD

McLean Hospital Title:

Director, Psychosis Neurobiology Laboratory

Harvard Medical School Title: Associate Professor of Psychiatry

Penny Hallett, PhD

McLean Hospital Title:

Co-Director, Neuroregeneration Research Institute

Harvard Medical School Title: Associate Professor of Psychiatry

Judith Halperin, PsyD

McLean Hospital Title:

Staff Psychologist, Director of Training, Klarman Eating Disorders Center

Harvard Medical School Title: Instructor in Psychology, Department of Psychiatry

Staff Profiles

Expertise

Ellen S. Gillespie, LICSW

Joan M. Gillis, MSW, LICSW

Justin Gillis, MSW, LICSW

Loretta Givens, MS, MSN, PCNS, BC

Joseph Gold, MD

Jessica Goldstein, PhD

Gerardo Gonzalez-Haddad, MD

Shelly F. Greenfield, MD, MPH

Allison Gregg, PhD

Margaret Griffin, PhD

Michael Grocki, MA, BSN

Shereda Grossett, MSN, RN

Staci Gruber, PhD

Nate Gruner, LICSW

Leila Guller, PhD

Perihan Esra Guvenek-Cokol, MD

Mark A. Halko, PhD

Mei-Hua Hall, PhD

Penny Hallett, PhD

Judith Halperin, PsyD

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