Leadership & Governance
- Executive Leaders
- Senior Leaders
- Board of Directors
- Board of Managers
Nemours Executive Cabinet
The Executive Cabinet is responsible for leading Nemours Children's, supported by members of the Nemours Leadership Team. This team is overseen by a Board of Directors and advised by Boards of Managers located in Florida and Delaware.
R. Lawrence Moss, MD, FACS, FAAP
President and Chief Executive Officer
R. Lawrence Moss, MD, FACS, FAAP is President and CEO of Nemours Children's. With more than 25 years as an academic surgeon and physician executive, Dr. Moss became increasingly concerned by how America's health care system narrowly defines health and consistently incentivizes complexity and volume of medical services over outcomes. He joined Nemours Children's to focus the next phase of his career on transforming the definition of children's health and fundamentally changing the financial incentives determining their care.
Sean D. Baptiste
Executive Vice President, Chief People Officer
Sean D. Baptiste serves as the inaugural Executive Vice President and Chief People Officer (CPO) for Nemours Children’s. He is a member of the Executive Cabinet, reporting to Nemours President and Chief Executive Officer R. Lawrence Moss, MD, FACS, FAAP.
Aaron Carpenter, DNP, MDiv, APRN, CPNP-PC, NEA-BC
President, North Florida
Dr. Carpenter serves as the President of North Florida and is a member of Nemours Executive Cabinet, reporting to the enterprise Chief Operating Officer. Based in Jacksonville, Florida, he joined Nemours in 2016.
Matthew Davis, MD, MAPP
Executive Vice President, Enterprise Physician-in-Chief and Chief Scientific Officer
Matthew Davis, MD, MAPP, is Executive Vice President, Enterprise Physician-in-Chief and Chief Scientific Officer for Nemours Children's Health.
James "Jim" Digan
President, Nemours Children's Health Alliance
Jim P. Digan currently serves as President of the Nemours Children’s Health Alliance and provides strategic leadership and guidance for fundraising across five states.
Laura Kowal
Executive Vice President, General Counsel and Corporate Secretary
Laura Kowal serves as the Executive Vice President, General Counsel and Corporate Secretary for Nemours Children’s. Laura is responsible for all legal matters that impact Nemours, including corporate issues, transactional matters and litigation.
Mark R. Marcantano, JD
President, Delaware Valley
Mark R. Marcantano, JD, joined Nemours Children’s in January 2024 and serves as the President, Delaware Valley and is a member of Nemours Executive Cabinet, reporting to the enterprise Chief Operating Officer.
Martha McGill, MBA, MHA
President, Central Florida
Martha McGill serves as President, Central Florida, and is a member of the Florida Executive Cabinet reporting to the enterprise Chief Operating Officer.
Jane Mericle, DNP, MHS-CL, RN, CENP
Executive Vice President, Enterprise Chief Nursing Executive and Chief Patient Operations Officer, Nemours Children's Health
Jane M. Mericle brings more than 40 years of health care experience to her role as Executive Vice President, Enterprise Chief Nursing Executive and Chief Patient Operations Officer, Nemours Children’s Health.
Mark Mumford
Chief Operating Officer
Mark Mumford is the Enterprise Chief Operating Officer of Nemours Children's Health. He is a member of the Executive Cabinet, reporting to Nemours President and Chief Executive Officer, R. Lawrence Moss, MD.
Caswell L. Samms, III, MBA
Caswell L. Samms III, MBA, serves as Executive Vice President and Chief Financial Officer for Nemours Children’s Health. He is a member of the Executive Cabinet, reporting to Nemours President and Chief Executive Officer R. Lawrence Moss, MD, FACS, FAAP.
Kara Odom Walker, MD, MPH, MSHS
Executive Vice President, Chief Population Health Officer
Kara Odom Walker, MD, MPH, MSHS is Executive Vice President and Chief Population Health Officer (CPHO) for Nemours Children’s. She leads all aspects of population health strategy, research, innovation and implementation.
Senior Vice Presidents and Medical Leadership
Hans Alvarez
Senior Vice President, Audit Services
As Senior Vice President for Audit Services, Hans Alvarez is responsible for all internal audits prepared for leadership.
David Brousseau, MD, MS
Pediatrician-in-Chief, Chair of Pediatrics at Nemours Children's Health, Delaware Valley
Dr. David C. Brousseau serves as the leader for the Department of Pediatrics across all missions: clinical, education, research, quality and health equity.
Kevin Carraccio
Senior Vice President, Enterprise Philanthropy and Principal Gift Officer
Kevin brings more than 20 years of progressive experience and responsibility in fundraising management and program design to his current role. At Nemours, Kevin develops strategic direction for growing and implementing best practices in fundraising enterprisewide.
Katherine Deans, MD, MHSc
Surgeon-in-Chief at Nemours Children’s Health, Delaware Valley
Dr. Deans partners with hospital leadership and medical staff to advance critical components of our strategy, including strengthening the capabilities and positioning of our surgical programs, our Advanced Delivery Program and our Cardiac Center.
Meg Frizzola, DO, FAAP
Chief Medical Officer, Nemours Children's Health, Delaware Valley
As a member of the Delaware Valley Executive Leadership team, Dr. Frizzola has significant influence on the organization’s direction.
David Hancox, MSN, MHA, RN, NEA-BC
Senior Vice President and Chief Nursing and Patient Operations Officer, Nemours Children’s Health, Delaware.
David Hancox, MSN, MHA, RN, NEA-BC, serves as the Senior Vice President and Chief Nursing and Patient Operations Officer at Nemours Children’s Health, Delaware Valley.
William "Bill" Higginbotham II
Senior Vice President, Finance
Bill Higginbotham provides financial leadership and prioritization of strategic initiatives to ensure an inclusive process that aligns with the Nemours mission, with engagement across the organization.
Nicole Johnson, DNP, MBA, RN, NE-BC, CPEN
Chief Nursing and Patient Operations Officer at Nemours Children’s Health in Central Florida.
She is recognized by peers and clinical teams as a respected thought leader across all areas of nursing, patient care services and emergency management.
Mary Mehta, MD
Vice President, Chief Medical Officer of Nemours Children's Health, Pensacola.
Dr. Mary Mehta is a board-certified pediatric cardiologist. In addition to clinical care, Dr. Mehta’s medical leadership duties include regional and state administration, business development, and oversight of an expert group of physicians, advanced practice providers and specialty care and cardiology team members in the Northwest Florida region.
Daniel J. Podberesky, MD
Senior Vice President, Chief Medical Officer, Nemours Children's Hospital, Florida and Specialty Care Practice, Central Florida
Daniel J. Podberesky, MD, is Senior Vice President, Chief Medical Officer at Nemours Children's Hospital, Florida and Specialty Care Practice, Central Florida. He joined Nemours Children's in 2014 after a position as staff radiologist, Associate Director of Clinical Services, and Division Chief of Thoracoabdominal Imaging at Cincinnati Children’s Hospital Medical Center.
Bernie Rice
Senior Vice President, Chief Information Officer
Bernie Rice joined Nemours Children's in 1999 and is based in Jacksonville, Florida. He is responsible for the leadership and strategic direction of Information Systems supporting Nemours clinical operations.
Anna Small, CNM, MSN, JD, CHC
Senior Vice President, Chief Compliance Officer
Anna Small, CNM, MSN, JD, CHC, leads our compliance and privacy efforts. In addition to her role as Chief Compliance Officer, Anna combines her legal and clinical experience and offers prioritization, oversight and vetting for Nemours Children’s strategic direction and enterprise initiatives.
Tara Spruill, MSN, CPN, RN, NE-BC
Vice President, Chief Nursing Officer, Nemours Children’s Health in North Florida
Tara provides executive leadership and collaborates with nurse leadership across Nemours Children’s to facilitate Florida policy, and to oversee Jacksonville’s environment of care and patient quality and safety.
Andrew Stec, MD
Vice President, Chief Medical Officer, Nemours Children’s Health, Jacksonville
As Chief Medical Officer, Dr. Stec provides oversight of the medical operations and faculty at Nemours Children’s Health, Jacksonville.
Terry Anne Timmons
Senior Vice President, Human Resources
As Senior Vice President for Human Resources, Terry leads efforts to enhance people operations strategies, ensuring a seamless, world-class experience for our associates.
Nemours Board of Directors
James "Jim" Hunt
Chair, Board of Directors
A member of the board of directors since 2016, Jim Hunt has extensive knowledge of board governance and children’s health care issues. He also serves the Nemours board as chairman of the audit, finance and compliance committee.
Cindy Bertrando
Cindy Bertrando joined the Nemours Foundation Board of Directors in 2024. She serves as the National Multiple Sclerosis Society’s Chief Financial Officer, leading the finance, technology, operations and legal functions.
Jane Cavalier
Jane Cavalier is CEO and founder of BrightMark Consulting, Westport, Conn., one of four successful strategic services companies she has built over the past 25 years.
William D'Alonzo
William F. D’Alonzo is an accomplished investor managing both financial and land assets with a deep commitment to and success with conserving land and restoring wildlife habitat.
Claire M. DeMatteis
A native of Delaware, Claire DeMatteis has more than 30 years of experience in corporate law, data and privacy protection, health care law, regulatory, congregational and goverment affairs.
Elliot Joseph
Elliot Joseph is advisor and board member for several private equity portfolio companies including TPG Growth, Chicago Pacific Founders, Triple Tree and Epsilon.
Edward Karlovich
Ed Karlovich joined the Nemours Foundation Board of Directors in 2024. He most recently served as the Executive Vice President and Chief Financial Officer of the University of Pittsburgh Medical Center (UPMC), a world-renowned, nonprofit health care provider and insurer.
Valerie Montgomery Rice, MD
Dedicated to the creation and advancement of health equity, Dr. Valerie Montgomery Rice brings a unique understanding of women and children’s health issues to the Nemours Board.
R. Lawrence Moss, MD, FACS, FAAP
President and Chief Executive Officer
R. Lawrence Moss, MD, FACS, FAAP is President and CEO of Nemours Children's. With more than 25 years as an academic surgeon and physician executive, Dr. Moss became increasingly concerned by how America's health care system narrowly defines health and consistently incentivizes complexity and volume of medical services over outcomes. He joined Nemours Children's to focus the next phase of his career on transforming the definition of children's health and fundamentally changing the financial incentives determining their care.
Judy Titera
Judy Titera joined the Nemours Foundation Board of Directors in 2024. She is an experienced board director and risk professional, currently serving on the Mitsui Sumitomo Transverse Insurance Board and Audit Committee.
Nemours Board of Managers
Sharon Mills Higgins
Chair, Board of Managers Delaware
Chair, Board of Managers, Florida
Sharon Mills Higgins is an independent marketing and philanthropy consultant, and Chair Emeritus, National Board of Trustees, March of Dimes.
Nemours Board of Managers, Delaware
Raina Harper Allen
Raina Harper Allen is a highly accomplished community leader and advocate with an extensive background in combating systemic racism in public and private organizations across Delaware. She serves as Director of the Delaware Racial Justice Collaborative (DRJC) at the United Way of Delaware.
Claire M. DeMatteis
A native of Delaware, Claire DeMatteis has more than 25 years of experience in corporate law, health care law, regulatory affairs, constitutional law and congressional and government affairs.
Gwen M. Mackenzie, RN, MN, MHSA
Gwen MacKenzie is a Senior Advisor with McKinsey and Company in their global health care practice. She also consults with Quick, Leonard, Kieffer in Chicago and teaches emotional intelligence and executive leadership at the University of Michigan.
John Wellons
John Wellons has served as President and CEO of the Boys & Girls Clubs of Delaware since July 2017. He works closely with his Executive Team and Board Executive Committee to ensure the organization achieves its mission through strategy development, implementation, and sound business practices.
Nemours Board of Managers, Florida
Shari Costantini
Shari Dingle Costantini is the retired CEO and founder of Avant Healthcare Professionals. Costantini is a renowned expert in the health care industry, with 30 years of experience in strategic leadership, nursing and international staffing.
Claire M. DeMatteis
A native of Delaware, Claire DeMatteis has more than 25 years of experience in corporate law, health care law, regulatory affairs, constitutional law and congressional and government affairs.
Gwen M. MacKenzie, RN, MN, MHSA
Gwen MacKenzie is a Senior Advisor with McKinsey and Company in their global health care practice. She also consults with Quick, Leonard, Kieffer in Chicago and teaches emotional intelligence and executive leadership at the University of Michigan.
Randy Singh
Randy Singh joined Visit Orlando in October 2020. As Chief Financial Officer, Singh oversees all finance-related functions, as well as information technology, market research and insights, legal and procurement.