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Executive Leadership Team

Leadership Teams

Maine Behavioral Healthcare operates under the guidance of three primary leadership bodies:

Strategy Team

The MBH Strategy Team is made up of the Maine Behavioral Healthcare President, Spring Harbor Hospital President, Chief Financial Officer, Senior Vice Presidents, and the Chief of Psychiatry.

Kelly Barton

Kelly Barton


Kelly Barton is an experienced senior health care executive. Much of her career has been focused on behavioral health services with a diverse background in health care management. She began her health care leadership career at Gundersen Lutheran Medical Center in La Crosse, Wis., as a compliance and health information manager for Behavioral Health. Over 15 years at Gundersen, she worked in roles with progressively greater responsibility, including as vice president, clinical operations from 2012 through 2016. In 2016 she joined Community Health Network as the chief operating officer of its Northern Division and in 2018 assumed her role overseeing all integrated primary care.

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Mary Jane Krebs, FACHE

President of Spring Harbor Hospital

Mary Jane Krebs, RN, MA, FACHE, is the President of Spring Harbor Hospital and Senior Vice President of the Intensive Service Line at Maine Behavioral Healthcare. She is leading the priority of safe patient flow and lowering lengths of stay for adult patients at Spring Harbor, as well as cultivating employee engagement across the Maine Behavioral Healthcare system to attract and retain the best professionals in the field. In addition, she is working with leaders at Southern Maine Healthcare to plan and manage the new Behavioral Health Unit at Sanford Hospital.

Previously, Mary Jane was the CEO of Community Counseling Center, now also part of Maine Behavioral Healthcare; Chief Clinical and Nursing Officer at Spring Harbor and Maine Medical Center’s Department of Psychiatry; and Vice President of Clinical Services at Jackson Brook Institute. Mary Jane completed her undergraduate nursing degree at the College of New Jersey and graduate degree at New York University.

She is a fellow in the American College of Healthcare Executives, a steering committee member of the National Association of Behavioral Health, is president of the Southern Maine Agency on Aging Board of Trustees, is an active member of the MHA Mental Health Council, and co-chairs the United Way of Greater Portland Thrive 2027 Cabinet 3 focused on population health.

Bill Chrisemer

William Chrisemer

Chief Financial Officer

William (Bill) F. Chrisemer is the Chief Financial Officer and brings over 30 years of experience as a health care and financial executive to Maine Behavioral Healthcare. Bill has an extensive background, which includes leadership roles with community service organizations serving individuals and families with developmental disabilities, mental illness from brain injury and autism, as well as community health and managed care. Previously, Bill served as Senior Vice President and Chief Financial Officer for Greater Lawrence Family Health Center in Lawrence, Massachusetts, a federally qualified health care center. 

Bill earned both an MBA and MSW from Boston College.


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Linda S. Durst, MD

Chief Medical Officer and Chief, Department of Psychiatry, Maine Medical Center

Dr. Linda Durst currently serves as Senior Vice President, Medical & Clinical Affairs for Maine Behavioral Healthcare and Chief, Department of Psychiatry, Maine Medical Center. Prior to her work with MBH and MMC, Dr. Durst was Medical Director of the Institute of Living and Associate Chief, Department of Psychiatry, Hartford Hospital. She previously served as Chief Medical Officer at the Pennsylvania Psychiatric Institute and Associate Professor of Psychiatry at Penn State College of Medicine and Medical Director/Vice Chair of Psychiatry at the University of Arizona.

Dr. Durst has been actively engaged in the area of suicide prevention, developing a suicide screen for the University of Arizona Health System, South Campus, active in multiple quality improvement teams on suicide prevention, and has taught physicians and non-physicians in suicide assessment. She received training at the Zero Suicide Academy in Maryland, as a member of one of 20 teams selected nationally and internationally. Most recently Dr. Durst was trained in the CASE interviewing strategy developed by Shawn Shea, MD to assess for suicide risk and the CBT-suicide prevention module developed by David Rudd, PhD. She recently chaired the Hartford Healthcare Behavioral Health Network’s Suicide Prevention Task Force and had been responsible for rolling out Zero Suicide to the Hartford Healthcare Behavioral Health Network and assisting in the roll-out in the state of Connecticut.

Dr. Durst was elected as a member of the American College of Psychiatrists in 2017, for her expertise in Administrative Psychiatry.

Katie Fullam Harris

Katie Fullam Harris

Senior Vice President, Government Relations, MaineHealth

Katie Fullam Harris serves as Senior Vice President of Government & Relations and Accountable Care Strategy for MaineHealth, Maine’s largest health care system. She works with policymakers and employers to shape and respond to public policy and market changes, and she leads efforts to develop new system initiatives that support MaineHealth’s accountable care goals. Prior to joining MaineHealth, Katie was the Director of Government Relations for Anthem Blue Cross and Blue Shield in Maine. She has also served as a program director for the Maine Development Foundation and as Assistant to the Commissioner for the Maine Department of Mental Health, Mental Retardation and Substance Abuse Services.

A native of Maine, Katie has an MS in Health Care Policy and Management from the Muskie School at the University of Southern Maine, and a BA from Columbia University. She is an active triathlete and runner, and she and her husband live in Cumberland with their 2 dogs.

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Steven P. Stout, MD

Vice President of Medical Affairs for Ambulatory Services

Steven P. Stout, MD is the Medical Director for outpatient psychiatry. A graduate of Duke University School of Medicine, he received board certification in psychiatry in 1996. Dr. Stout has held leadership positions at Maine Medical Center, most recently as Adult Outpatient Medical Director.

Dr. Stout is a firm believer in the process of recovery. “We are all knocked down at some point… that is life. But we all struggle in our own ways to stand up again and move forward.”

He believes that good health care considers the mind and the body.  This connection reinforces the vital importance of good communication between an individual’s behavioral health and primary care teams. 



Robert McCarley

Robert McCarley, MD

Vice President of Medical Affairs for Intensive Services

Robert V. McCarley, MD is the Vice President for Maine Behavioral Healthcare Medical Affairs for Intensive Services including Crisis, Assertive Community Treatment (ACT), contracted services at Southern Maine Healthcare and Pen Bay Medical Center, and at Spring Harbor Hospital.

Dr. McCarley has practiced in Maine for 14 years, working for 10 years at MMC in the outpatient psychiatry Partial Hospital Program, and as the Outpatient Psychiatry Residency Coordinator. He subsequently became the Medical Director of Spring Harbor Hospital, which merged with Maine Behavioral Healthcare.

He trained at the Harvard Longwood Psychiatric Residency Training Program, Brigham & Women's Hospital, Beth Israel Deaconess Medical Center, and Massachusetts Mental Health Center in Boston. He graduated from the George Washington Center School of Medicine in Washington DC.

Dr. McCarley has five children, and enjoys skiing, walking in the woods with his dog, and living with his family and community in Maine.

Matthew Siegel

Matthew Siegel, MD

Vice President of Medical Affairs, Autism and Developmental Disorders Services

Matthew S. Siegel, MD is the Vice President of Medical Affairs, Autism and Developmental Disorders Services at Maine Behavioral Healthcare, Associate Professor of Psychiatry and Pediatrics at Tufts University and Faculty Scientist at the Maine Medical Center Research Institute. His educational background includes undergraduate studies at Amherst College followed by Stanford Medical School, and training at Brown University in child psychiatry and pediatrics. He is nationally recognized for his expertise in systems of care and research for children with autism, intellectual disability and co-occurring emotional and behavioral disorders.

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Jennifer Hunt-Maclearn

Chief Nursing Officer

Jennifer Hunt-MacLearn is the Chief Nursing Officer for Spring Harbor Hospital. She has been with the hospital since its inception in 1999 and has over 25 years of providing leadership in nursing, infection control, training, risk management, and quality management. Prior roles have included Director of Professional Development & Performance Excellence, and most recently, Vice President of Operations, Intensive Services.

Jennifer’s professional affiliations include the American Psychiatric Nurses Association. She is a graduate of the University of Southern Maine with a Master’s of Science in Nursing – Psych/Mental Health, has received an Advanced Nursing Leadership Certificate from Saint Anselm College and is a 2014 alum of the Daniel Hanley Center for Health Leadership HLD course.

Melania Turgelsky

Melania Turgelsky, LCSW

Vice President, Strategy and Business Development

Melania Turgelsky is the Vice President of Strategy and Business Development at Maine Behavioral Healthcare. She is responsible for planning and directing strategic and long-range goals aligned with MaineHealth and Maine Behavioral Healthcare interests.  Responsibilities include oversight of the MaineHealth behavioral health service line, and ensuring coordination of Maine Behavioral Healthcare strategic and management, strategic improvement projects and select annual business development plans.  Prior roles include Vice President of Quality and Performance Improvement at Maine Behavioral Healthcare and Chief Operating Officer at Community Counseling Center.

Melania has a Masters degree in Social Work from Smith College School for Social Work and a BA from Yale University.  A childhood spent in Kenya and Nigeria influences her perspective on life and work.  She is an active member of her community, volunteering annually for the Beach to Beacon Road Race and other community organizations.

Michelle Zichella

Michelle Zichella

VP Development, Director Communications & Public Affairs

As the Vice President of Development, Director of Communications and Public Affairs, Michelle oversees all fundraising programs, including the annual fund, major gifts, planned giving, grants, corporate sponsorships, and special events, as well as all marketing, communications and public affairs functions. Michelle has had a long and successful career in fundraising, starting as a development director at the University of Southern Maine in 1997. She went on to become director of programming and development for the Portland Public Library, director of development at the American Civil Liberties Union of Maine, and director of special events at the Maine Chapter of the Multiple Sclerosis Society.
Michelle earned a bachelor’s degree in communications from Russell College in California. Upon graduating, she held several national director positions in marketing, promotions, and product management with Slash/Warner Brothers Records based in Los Angeles.

Operations Council 

This key leadership group was formed to enhance and streamline communication between our organizational leaders, primarily focusing on operational issues. The Council meets weekly to review safety events, critical incidents, announcements, program dashboard review, in addition to a rotating cycle of weekly topics in four key areas:

  1. Inpatient/Intensive Services,
  2. Ambulatory/Integrative Services,
  3. Safety/Quality, Performance Improvement, and
  4. Corporate/Financial services and People & Culture

Medical Staff Leadership Council

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This team of clinical leaders includes members of the Strategy Team, and our medical staff leaders. The purpose of the council is to provide overall clinical direction for MBH, including new program development, and oversight of key quality/value metrics, and clinical leadership.