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Board of Directors

Please read our updated Leadership Letter here.


Current Board of Directors

Sally H. Jenks, MPH, President
Sally became a member of the Stone Board in 2014 and was elected President in 2019. After graduating from UMass/Boston Sally began her career in healthcare administration at the New England Deaconess Hospital. After graduating from the BU School of Public Health, she began a 30-year career in administration and management at McLean Hospital, a member of Partners Healthcare. She has served on the Board of the Whittier Street Health Center and has been recently elected to the Board of Boston CASA (Court Assigned Special Advocates), an advocacy organization for children in foster and protective care.
Dennis C. Rieske, AIA, Vice President
Dennis C. Rieske, AIA, has been providing architectural services for-profit developers and non-profit organizations since 1978. He has been a longstanding member of the Board since 1996 and is the newly elected Vice-President. Dennis was the non-profit developer and architect for Stone’s skilled nursing facility from 1990 through completion of construction in 1995. Dennis is the president of Developmental Resources, Inc. and served as the architect on Newton’s Historical Commission and Upper Falls Historic District Commission for 10 years. He graduated with a BS of Architecture from the University of Cincinnati in 1970 and passed the architectural exam to become a MA Registered Architect in 1972.
Christopher Shepler, Treasurer
Chris joined the Stone Board in 2022 and currently holds the role of Treasurer. He is an investment officer at Fiduciary Trust Company where he serves the financial needs of both high net worth families and nonprofit institutions with endowment assets. He is a graduate of Yale University with a degree in political science, and he earned an MBA from the Edinburgh Business School at Heriot Watt University. He is a Chartered Financial Analyst. Chris also serves as treasurer of his local Boy Scout troop in Duxbury, where he and his wife have raised four children.
Michael J. Rossi, Esq., Clerk
Michael Rossi joined the Stone Board in 2017 and currently serves as Stone’s Clerk. He is an attorney at the law firm of Conn, Kavanaugh, Rosenthal, Peisch & Ford in Boston and focuses his law practice in the area of civil litigation, with an emphasis on the resolution of employment, professional liability, and business disputes. He is a graduate of The Johns Hopkins University (2001) and Suffolk University Law School (2006). Michael is a lifelong resident of Newton. He also serves as a member of the City of Newton Zoning Board of Appeals.
Michael Alexander M.D., Secretary
Michael Alexander, Board member since 2018, is a graduate of Stanford Medical School. He has had a long career in clinical care, rehabilitation and clinical research in cognitive disorders after stroke or brain injury as well as a parallel career of clinical care of dementia. He developed neurorehabilitation programs at the Boston VAMC, Braintree and Spaulding/Cambridge hospitals. He received the American Heart Association/American Stroke Association/C. Miller Fisher award in 2010 for his work in stroke rehabilitation. He was a founding board member of the National Head Injury Foundation (now the Brain Injury Association) and the Chair of the Research Advisor board for the Defense Veterans Head Injury Commission for 2 years. He recently retired from Beth Israel Deaconess and is an Emeritus Professor of Neurology at Harvard Medical School.
Jean M. Thurston
Jean Thurston joined the Stone Board in 1994 and is a past president for over twenty years. When her mother lived at Stone for the last two years of her life, Jean learned what a remarkable place it is. Her background is in science and after graduation from Smith College spent ten years working in medical research labs. She then volunteered in her town and served on the Finance Committee, as a Selectman and on several town committees. In 2019 she stepped down as President of the Stone Board but remains an active member.
Joyce LoChiatto, RN, MS, CPNP
Joyce became a member of the Stone Board in June 2017. Joyce has been employed at Boston Children’s Hospital since 1987 as a staff nurse on a surgical unit for several years and also served at Longwood Pediatrics as a Nurse Practitioner while working in Staff Development (SD) after completing her clinical practicum as an NP student. Currently she has been working as a Professional Development Specialist in Clinical Education and Informatics (formerly SD) for over 20 years and provides education to clinicians and to newly hired nursing staff and assistive personnel throughout the hospital. Joyce serves and leads on several committees and special projects throughout the hospital, collaborating with other clinicians and staff.
Emily Kuhl, LHMC, LSW
Emily Kuhl, LMHC, LSW joined the Stone Board of Directors in 2020. Since obtaining her Master’s Degree in Mental Health Counseling in 2005, she has worked across the lifespan providing clinical support and found a special interest in older adults and their family caregivers.  She is currently a Case Manager for the Newton Department of Senior Services providing resources, access to services, and support to Newton residents. Emily has also previously worked at Springwell providing assistance to seniors needing home care services and supportive services to family caregivers. Emily has been a member of the West Suburban Area Alzheimer’s Partnership for several years and is a Dementia Friend Champion. Emily received her Master’s Degree at Framingham State University and has a Licence of Mental Health Counseling (LMHC) and License of Social Work (LSW).
Wilfred Mamuya, M.D, Ph.D.
Wilfred Mamuya joined the Stone Board in June of 2021. He received his undergraduate and graduate degrees from Boston University, and after completing his clinical training in internal medicine and cardiology at the Brigham and Women’s Hospital, completed a postdoctoral research fellowship in biochemistry at MIT. He was a practicing clinical cardiologist until 2013 and held appointments at both the Brigham and Women’s Hospital and Mass General Hospital. Fred is a long-time resident of Newton. He currently works on developing and updating Medicare policy, and continues to hone his clinical skills while precepting the cardiology fellowship clinic at Mass General Hospital.

Zelia de Souza, PT, DPT, CEAS
Zelia de Souza, PT, DPT became a member of the Stone Board in 2018. She is currently a Director of Rehabilitation at Healthpro-Heritage LLC. Zelia has been in clinical practice as a physical therapist for 25 years. The last decade of her career has been focused in senior care and the promotion of evidence-based, multidisciplinary, rehabilitative therapy approaches and its delivery in outpatient and senior living settings. She has served as an instructor in the physical therapy graduate program at the MGH Institute of Health Professions, and a center coordinator for clinical education at Boston University Medical Center and at Hebrew Senior Life. She has been certified as a specialist in ergonomics evaluations in the health care industry. Zelia received her Doctor of Physical Therapy from Massachusetts General Hospital Institute of Health Professions and Bachelor of Science degrees in Physical Therapy from the University of Western Ontario and Kinesiology from the University of Waterloo Ontario, Canada.
Eric Pizzi, MBA
Joining the Stone Board in 2024, Eric brings a wealth of expertise as an Executive within the Education Sector. Responsible for shaping strategy and driving growth for companies catering to K12 and non-degree learners, he holds an MBA from MIT and a BA from UMass Amherst. Prior to his current role, Eric was an operator and consultant in the technology and healthcare sectors. He also served as an advisor to Legacy Lifecare. Residing in Newton with his wife, twins, and two Bernese Mountain Dogs, he is deeply committed to both his professional endeavors and his family life.
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