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Stamford Health Board of Directors

Mark DeWaele, D.M.D.

Dr. DeWaele is founder of Advanced Dentistry of New Canaan. He has practiced dentistry in New Canaan for nearly 30 years. Dr. DeWaele is a member of the American Dental Society and past president of the New Canaan Dental Society.

Prior to receiving his D.M.D. degree from Tufts School of Dental Medicine, Dr. DeWaele received a B.A. from Amherst College, an MS degree from Stern Business School and worked as a Certified Public Accountant for KPMG. Dr. DeWaele is an active private investor across several industries.

Dr. DeWaele has served on numerous boards and commissions for the State of Connecticut, the Town of New Canaan, Amherst College and Cristo Rey New York High School. He serves as a member of the Office of Healthcare Advisory for the State of CT and is a past member of the Sustinet Task Force on Healthcare and the Commission on Children. He has served the Town of New Canaan as Chairman of the Town Council, Chairman of the Park and Recreation Committee, and the Executive Committee of the Red Cross in addition to various task forces. At Amherst College, he served on the Advancement Committee, as Class Agent and Class President. Dr. DeWaele is most committed to Cristo Rey New York High School (CRNYHS). He is currently serving as Vice Chairman of the Board of Trustees at CRNYHS. In 2004, he was influential in establishing the 400-student inner city high school in East Harlem in New York City for students from low-income families.

Dr. DeWaele has served as the Chairman of the Systems Board at Stamford Health.

Dr. DeWaele lives in New Canaan with his wife Heidi and their three children.

Michael Diliberto

Michael P. Diliberto is Executive Vice President and Chief Information Officer at Gartner, having joined the company in May 2016. As CIO, Michael is responsible for driving the technology and innovation required to sustain the growth of the largest research and advisory firm in world. Research provided by Gartner targets CIOs, senior IT, marketing and other CxO leaders. Gartner clients include large corporations, government agencies, technology companies, and the investment community.

Prior to Gartner, Mr. Diliberto was the CIO of, a leader in online travel and related services, where he was responsible for the development and maintenance of the website and the infrastructure that supported the business. During his years of service, grew from an Internet startup to an industry leader with a market capitalization over $90 billion.

Prior to joining in 1998, Mr. Diliberto held several senior information technology positions at News Corporation, where he was instrumental in establishing an online presence for properties such as Fox News, Fox Sports, TV Guide and helped launch Major League Baseball’s online presence. He also held several leadership positions at Prodigy Services Company, one of the pioneering consumer-focused online services, including Vice President of Content Engineering. Mr. Diliberto also served as a Sergeant in the US Army Reserves for 9 years. He holds a Bachelor of Arts degree in Computer Science from State University of New York at New Paltz.

Matthew Dumas

Matt is the Founder and Managing Partner of Chasm Partners, a retained executive search firm focused on the healthcare technology and services space. Matt brings over 20 years of business operating experience leading new ventures and turnarounds in the healthcare technology and consumer marketing space. Prior to founding Chasm Partners in 2015, he served in a number of operating roles as the CMO for WebMD and Brand Manager at Procter & Gamble. As a healthcare technology entrepreneur, Matt was Founder & Managing Director of Nielsen Health and CEO of Deutsche Ventures, start-ups focused on healthcare big data platforms providing innovative analytic solutions for Life Science, Consumer Brands and Retailers. He also founded Ecosys Consumer Analytics, a healthcare patient targeting and marketing ROI analytics platform that eventually merged with Crossix Solutions, which was acquired by Veeva Systems in 2019.

Matt graduated from Colby College and received an MBA from the University of Michigan Ross School of Business. He is an investor in and advisor for various privately held ventures in the healthcare technology and services space. Matt is a member of the Board of Directors at Stamford Hospital, ranked by US News and World Report as one of the top hospitals in Connecticut, where he also serves on the Quality & Clinical Affairs as well as Finance Committees.

Michael Ebright, M.D.

Dr. Ebright is currently Director of Thoracic Surgery at Stamford Health, as well as Vice-Chair of the Department of Surgery. He is also an attending surgeon at New York-Presbyterian/Columbia in Manhattan and Assistant Clinical Professor of Surgery at Columbia University Vagelos College of Physicians and Surgeons.

He received his B.A. from Haverford College and M.D. from New York University School of Medicine. He completed his general surgical residency and cardiothoracic surgical residency at the University of Maryland Medical Center. His surgical oncology research fellowship and thoracic surgical oncology fellowship were completed at Memorial Sloan Kettering Cancer Center.

Dr. Ebright was an Assistant Professor of Cardiothoracic Surgery at Boston University School of Medicine where he practiced for over six years. There, he was Director of the Center for Thoracic Oncology and served as Co-Chair of the hospital-wide Value Analysis Committee.

At Stamford Health, Dr. Ebright’s primary focus is his clinical practice, largely focused on thoracic malignancies. He was instrumental in establishing Stamford’s Lung Cancer Screening Program, as well as the Perioperative Optimization Program and the Heartburn, Reflux & Esophageal Specialty Center. Dr. Ebright currently serves on the Board of Directors of the Stamford Health Medical Group, as well as multiple hospital committees.

Dr. Ebright is academically active, widely published in the areas of lung cancer and esophageal disease. He is a member of multiple surgical societies and serves on the Executive Committee of the New York General Thoracic Surgical Club.

Dr. Ebright resides in Stamford with his wife Deena and their two children. Dr. Deena Ebright is an internist with SHMG practicing at the New Canaan location.

Lucy Galbraith

Ms. Galbraith is co-founder and managing member of Kindred Capital Advisors, a family investment firm based in Norwalk, CT. She has an extensive background in finance and held positions as Managing Director and Head, North America and Latin America Loan Syndications at SBC Warburg and Managing Director and Global Head of Loan Syndications at Morgan Stanley, among others. Ms. Galbraith then served as Portfolio Manager at Bennett Management in Stamford, CT for over a decade. Ms. Galbraith currently serves as a board member and treasurer of The Steppingstone Foundation and as a board member of The Dikembe Mutombo Foundation and has served on the board of WHA Holdings S.A. and as a member of the Board of Trustees for St. Luke’s School in New Canaan, CT.

Ms. Galbraith graduated from Yale University and holds a B.A. in history. She currently resides with her husband, Steve, in Darien, CT.

Paul Giusti

Mr. Giusti is the President & Chief Executive Officer of the Multiple Myeloma Research Foundation (MMRF) – the largest nonprofit in the world focused on multiple myeloma. The MMRF has raised over $500 million to support myeloma research resulting in thirteen new FDA-approved therapies and a tripling of patient lifespans.

Mr. Giusti also oversees the Multiple Myeloma Research Consortium (MMRC), a group of leading multiple myeloma research centers working together to share information and speed clinical trial accrual, and the Myeloma Investment Fund, a venture capital fund investing in biotech companies with promising yeloma therapies.

Prior to the MMRF, Mr. Giusti worked as an entrepreneur for over 30 years – founding, managing and building businesses ranging from real estate development to marketing to investments. Early in his career, Mr. Giusti worked as an executive for GE where he held a number of management positions with a wide range of responsibilities.

Mr. Giusti’s public service includes serving two terms as an elected Selectman for the Town of New Canaan as well as serving two terms on the Board of Finance.

Mr. Giusti holds a Bachelor of Science degree from the Colorado School of Mines and an MBA from Harvard University.

Patrick T. Hackett, Chair

Patrick T. Hackett joined Warburg Pincus investing in health care services companies in 1990 and, from 1999 until his retirement in 2017, he invested in technology, media and telecommunications (TMT”) companies. Before his retirement, Mr. Hackett headed the firm’s TMT investing activities, and he was a member of the firm’s Executive Management Group, the senior leadership group of the firm. Mr. Hackett continues to be a Senior Advisor to Warburg Pincus principally in TMT and healthcare.

Mr. Hackett is a board member of Outset Medical, a medical device company with an innovative treatment of patients requiring kidney dialysis and Intelligent Medical Objects, a healthcare information and software business. Mr. Hackett has a long history of serving as a board member for over twenty companies in a variety of health care and technology fields such as managed care, hospital management, skilled nursing, health care IT, application and infrastructure software and data analytics.   In addition, he previously served as a Trustee on the Board of Trinitas Health & Regional Medical Center, the principal medical center in Elizabeth NJ where he was raised.  Mr. Hackett is also on the NY/NJ Advisory Board for YearUp!, a training, education and mentoring organization aiding disadvantaged youth.

Mr. Hackett graduated from the University of Pennsylvania with a B.A. in chemistry and holds a B.S. in economics from the Wharton School at the University of Pennsylvania.

Hoyt Harper II

Hoyt H Harper II is a senior global executive with 25+ years of innovation and brand leadership that resulted in successful creation of innovative brands, memorable guest experience initiative and exceptional loyalty marketing that consistently enhanced market share, profit and footprint growth. Previously Senior Vice President and Global Brand Leader, The Luxury Group for Starwood Hotels & Resorts. Harper presently serves on Boards in the hospitality and food services industries. He also serves as Vice Chair, Board of Trustees for Carthage College.

Mr. Harper graduated from Carthage College with a B.A. in Sociology and Social Sciences. Mr. Harper currently resides in Greenwich.

Helen Jaffe

Helen is a community leader focused on healthcare and education.

In 1997 the Jaffe’s established the Jaffe Food Allergy Institute, the first medical research institute dedicated to food allergy research at the Icahn School of Medicine at Mount Sinai in NYC, one of FARE’s Clinical Networks and Discovery Center of Distinction. Helen, together with her husband David, is one of the founding members of the Food Allergy Initiative, FAI, a FARE’s legacy organization. Raising four children with severe food allergies she created educational initiatives, school policies, and led advocacy efforts to improve food allergy safety. For over 20 years she chaired FAI CT and FARE CT efforts in Connecticut. She served on the FARE National Advocacy Leadership Council. Helen is a FARE Board Director and chair of the Governance Committee, and co-chair of the Advisory Board at the Jaffe Food Allergy Initiative at Mount Sinai.

Helen is a Trustee at Teachers College at Columbia University. She previously served as a Trustee at St Luke’s School in New Canaan and King School in Stamford, CT.

She is a 2020 Harvard Advanced Leadership Initiative Partner dedicated to social impact. Ms. Jaffe received her B.S. from Tufts University.

Helen Jaffe lives in New Canaan, Connecticut with her husband, David.

Charles Littlejohn, M.D.

Dr. Littlejohn is a board-certified Colon and Rectal Surgeon in practice from 1984 to 2012. He was in private practice until he joined Stamford Health Medical Group in 2012 until 2017. He obtained his B.A. and M.D. from Dartmouth College and completed his residency and Fellowship at UMDNJ – Rutgers (now Robert Wood Johnson Medical School).

He is the former Chief of the Division of Colon and Rectal Surgery at Stamford Hospital and Clinical Professor in the residency program affiliated with Columbia University. He is a past President of the American Society of Colon and Rectal Surgeons (ASCRS), a worldwide society of colon and rectal surgeons. Dr. Littlejohn has served on the Executive Council and was named secretary of the Society in 2010. He has served in many aspects for the ASCRS since 1992 including Chairman of the Young Surgeons Committee, and member of the Socioeconomic, Professional Outreach and Program Committees.

Dr. Littlejohn has served on numerous committees for Stamford Hospital and is past chair of the Stamford Hospital Medical Staff. He was the founding member of Stamford Hospital’s Colon and Rectal Cancer Registry which was only one of approximately fourteen nationwide. He is past president of Fairfield County Medical Association and Connecticut Chapter of the American College of Surgeons. Dr. Littlejohn also served on several committees for the Connecticut State Medical Society as well as serving as Councilor for the Society. He is a Corporator for First County Bank and formerly served as a board member of Family and Children’s Services and the South End Clinic.

F. Carl Mueller, M.D., MPH

Dr. Mueller is the President of the Medical Staff of Stamford Hospital, Associate Chair of Psychiatry at Stamford Hospital and an Assistant Clinical Professor of Psychiatry at the Yale School of Medicine. He came to Stamford from his Yale Residency 33 years ago and has been in private practice since then. . He has served as Vice-President of the medical staff, chair of the Physician Wellbeing Committee, and Peer Review Oversight Committee. His prior credentials from MIT, Univ. of Connecticut and Columbia School of Public Health have expanded his interests into many areas beyond psychiatry. He lives with his family and Bonsai Trees in Wilton.

Kathleen Silard, MS, BSN, RN, FACHE

Mrs. Silard is the President and Chief Executive Officer at Stamford Health. She is responsible for a 305-bed acute care hospital, the Stamford Health Medical Group, an extensive ambulatory network and the Foundation for Stamford Health. She is responsible to the Board of Directors for the development of high level strategy, major corporate decisions regarding operations, financial performance and human resource talent management.

Prior to becoming President & CEO, she was the Executive Vice President and Chief Operating Officer at Stamford Hospital.  She was in this position since 2003.  She was responsible for clinical and operational leadership at Stamford Health.  She led the development and building of the new hospital at Stamford Health and has been a leader in several other initiatives including the development of the Heart & Vascular Institute, the Bennett Cancer Program and collaboration with Dana Farber relationship as well as the unique collaborative for Orthopedics and Spine with Hospital for Special Surgery, the Women’s Breast Center, Children’s Specialty Center and Pediatric Emergency Department.

Mrs. Silard started her career as a Pediatric and Neonatal ICU Nurse at Einstein Hospital in NY.  From there she became Director of Clinical Operations at Einstein and went on to become the Executive Director of the Montefiore Medical Group.  Before joining Stamford Hospital, Mrs. Silard was the Executive Vice President and Chief Operating Officer at St. Josephs Regional Medical Center in NJ.

Mrs. Silard has a Bachelor of Science in Nursing from Herbert H. Lehman College, City University of New York and Masters Degree in Health Care Administration from Iona College.  She has been active in several community organizations such as Stamford EMS, Greenwich PTA, Greenwich Scholarship, YWCA of Greenwich, Fairfield County Business Association, Parents of Tufts University Dental School, Hobart & William Smith College, Loyola University, and Friends of Kent School.  She is a Fellow in the American College of Healthcare Executives.  She currently serves on the Board of Directors for various healthcare organizations and is the recipient of several awards recognizing her dedication to the community. She lives in Greenwich with her husband, Edward and has three sons, Dr. Christopher Silard, Andrew Silard and Brian Silard.

James Thomas

James is a co-founder of Thomas, McNerney & Partners and has been investing in health care companies since 1992. Thomas, McNerney & Partners is a health care venture firm that invests in life science and medical technology companies at all stages of development. James previously headed Warburg Pincus LLC's medical technology private equity practice, where he had responsibility for investments in biotechnology, pharmaceutical, medical device and diagnostic companies. During his career, James has served on the Boards of Directors of more than 20 public and private health care focused companies.

In addition to his activities in health care, James is an active owner/investor in the international shipping industry through the companies Thomas Maritime and Ithaca Marine.

James is a long-time member of the Congregational Church of New Canaan and has served multiple terms on its Board of Trustees. He has lived in New Canaan for 30 years with his wife, Eileen, and has four school aged children. James graduated magna cum laude with a B.S. in Economics from the Wharton School at the University of Pennsylvania and received a M.Sc. in Economics from the London School of Economics.

Elizabeth Zea

Ms. Zea is the co-founder and managing partner at JUEL, a leading executive search firm and talent consultancy focused on the discipline of marketing. Prior to founding JUEL, Ms. Zea had general management roles in marketing services in both the US and Europe including Senior Vice President and Chief of Staff, Young & Rubicam, as well as Chief Marketing Officer for McCann Erickson across Europe, Middle East and Africa.

In addition to Stamford Health, Ms. Zea sits on the Advisory Board of marketing-services firm, HART, as well as the Board and Executive Committee of Alexandra’s Playground, a non-profit dedicated to providing healthy play to underserved children. Prior to joining Stamford Health, Ms. Zea was on the Board and Executive Committee of Horizons’, a non-profit focused on providing academic, social and cultural enrichment to underserved children.

Ms. Zea graduated from Trinity College with a B.A. in English literature. Ms. Zea currently resides in New Canaan.

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