Prisma Health is the largest not-for-profit health organization in South Carolina, serving more than 1.2 million patients annually. Our 32,000 team members are dedicated to supporting the health and well-being of you and your family.
Our promise is to: Inspire health. Serve with compassion. Be the difference.
Our patients have told us they need high-quality, accessible health care and they’re concerned about rising health care costs. To meet their needs, GHS and Palmetto Health have come together to create a new, not-for-profit, multiregional health organization that’s designed to improve the health and well-being of the communities we serve.
We’re confident that together we will continue to make great strides to improve the patient experience, clinical quality and access to care, while addressing rising health care costs. By unifying under one brand, we want to make it easier for our patients and their families to understand who we are and what we do when they need our services. The sacred relationships between patients and their physicians/advanced practice providers will not change
A governance board of directors for Prisma Health has been seated and is comprised of South Carolina business, community and medical leaders. The board is working closely with Prisma Health leadership to operationalize the new health company. Our goal is to deliver improved clinical quality, expanded access to health and wellness services and enhanced patient and caregiver experiences, while addressing health care affordability.
The Prisma Health board of directors is pleased to announce the selection of Mark S. O’Halla as the health company’s new president and chief executive officer (CEO). O’Halla, along with the members of the executive leadership team, will be responsible for advancing the health company’s goal to create a better state of health in South Carolina by improving clinical quality, the patient experience, access to care, and addressing rising health care costs.
In his role as Chief of Staff, Michael is responsible for ensuring efficient operations of the Office of the Co-CEOs. Previously, he served as Chief of Staff to the Chief Executive Officer of the GHS SCO. Michael has been with GHS for 4 years. Michael received a bachelor’s degree in Business Administration and an MBA in International Management from Columbia Southern University.
Malcolm will oversee strategy development for the health company and its affiliates. Malcolm will also be responsible for strategic planning, business/network development, real estate, facilities, marketing and communications, and public relations. Previously, he served as Vice President and Chief Strategy Officer of the GHS SCO. Malcolm has been with GHS for 10 years. Malcolm received a bachelor’s degree from North Carolina State University and a master’s degree in Health Administration from Duke University.
As CFO for the health company, Terri is responsible for all financial functions of the health company and its affiliates, including accounting, treasury, budgeting, revenue cycle and contracting. Previously, Terri served as Vice President of Financial Services and Chief Financial Officer for GHS. Terri has been with GHS for 6 years. Terri earned a bachelor’s degree in accounting from Appalachian State University and is a certified public accountant.
Greg is directly accountable to the Affiliate Presidents to ensure operations in the Upstate and Midlands are supporting the health company. Greg also is responsible for the information technology/services, human resources, and supply chain functions within the health company, as well as overseeing all Affiliate Chief Operating Officers, post-acute care, and ancillary and support services. Previously, he served as Executive Vice President and Chief Operating Officer for GHS. Greg has been with GHS for 21 years. Greg earned a bachelor’s degree in biology from Gannon University in Erie, Pennsylvania, and a master’s degree in health services administration from George Washington University in Washington, D.C.
Dr. Sinopoli is responsible for clinical care and the development of clinical integration, quality and population health strategy for Prisma Health and its affiliates. He is also responsible for the Care Coordination Institute (CCI), affiliated networks, community health and medical informatics. Previously, Sinopoli served as Executive Vice President and Chief Clinical Officer of the GHS SCO. He has been with GHS for 30 years. Dr. Sinopoli earned a bachelor’s degree in biology from the University of South Carolina and an MD from the Medical University of South Carolina. He holds a professorship position at the University of South Carolina School of Medicine Greenville.
Dr. Taylor is responsible for leading the Upstate Affiliate to ensure efficient operations, engaged employees and physicians, and high quality patient care. The Upstate Affiliate is comprised of eight medical campuses, over 180 physician practice sites, more than 14,000 employees including over 1,100 physicians and providers. Previously Dr. Taylor served as President of GHS. Spence has been with GHS for 25 years. He earned a bachelor’s degree in biochemistry from Clemson University and a MD from the Medical University of South Carolina.
As General Counsel, Howard is responsible for providing and coordinating all legal services for the health company and affiliates. Howard also is responsible for overseeing the governmental affairs functions throughout the health company. Previously Howard served as the chief legal officer for Palmetto Health. He has been with Palmetto Health for nearly 39 years. Howard earned bachelor’s and master’s degrees from the University of North Carolina. He also earned a master’s degree in hospital administration from the University of Alabama in Birmingham and he earned his law degree from the University of Virginia.
Mid-South Area Executive Vice President, First Citizens Bank
University of South Carolina, B.A., political science; graduate of South Carolina Bankers School
Member, Palmetto Health board of directors; Baptist Healthcare System board of trustees member; chair, Claflin University board of trustees; SCANA board member; BHS Finance Committee chair; Pitts Fund Committee member; treasurer, SC Bankers Association; former board member, Governor's School for the Arts Foundation; USC Educational Foundation board member; former Palmetto Health Foundation board member; former Education Oversight Committee member; former Governor's appointee to South Carolina Ports Authority; named Outstanding Young Banker of the Year; named Board Member of the Year by Columbia Urban League; member, Francis Burns United Methodist Church (Columbia, South Carolina).
President and Owner of the Greenville Drive Baseball Team; South Atlantic League affiliate of the Boston Red Sox and CEO of Keelers Ridge Associates
B.A. in accounting from Michigan State University; CPA
Prior to Brown’s involvement in professional sports, Brown spent 23 years as a key executive in the globalization of the advertising industry, most recently as President and Chief Operating Officer of the Bcom3 Group, an advertising and communications services holding company. Over the course of his advertising career, Brown was a principal executive in the advertising industry’s three most defining mergers, including the 2000 merger of Leo Burnett and The MacManus Group to form Bcom3 and the 2002 merger of Bcom3 and the Publicis Groupe.
Mr. Brown is a member of the Greenville Chamber of Commerce and Upstate Warrior Solution Boards of Directors and serves as Co-Chair of ACCELERATE! Greenville; the Chamber’s economic development Initiative. Brown is an active alumnus of Michigan State University where he is a member of the Athletic Director’s Council and Red Cedar Ventures, the University’s venture capital fund. He is a founding Board member of MiLB Enterprises, which oversees brand marketing for Minor League Baseball, and is senior vice chairman of the Hydrocephalus Association where he along with his wife, Vicki, is a founder of their annual Vision Dinner campaign—a campaign in support of hydrocephalus research.
Health Science faculty member at Furman University and an experienced researcher and evaluator.
Doctor of Science, Harvard T.H. Chan School of Public Health; Master in Public Administration, Harvard Kennedy School of Government; Master of Public Health, Emory University; Bachelor of Arts in communication with a focus in urban leadership, Oglethorpe University.
Dr. Shaniece Criss is a research partner with the Institute for the Advancement of Community Health, a Fellow of the Riley Institute’s Diversity Leaders Initiative, and a Shi Center for Sustainability Faculty Affiliate at Furman University. In the community, she is an elected official on the Travelers Rest City Council. Dr. Criss also serves or has served on the following boards: SC YMCA Youth in Government & Teen Achievers Board, Greenville County Council's Human Relations Commission, and Travelers Rest City Council's Municipal Election Commission. As a public health practitioner, Dr. Criss served as producer and host for a national television show for the Ministry of Health in Guyana, South America, during her Peace Corps service. She also held positions at ICF International, Centers for Disease Control (CDC) and Cable News Network (CNN).
Radiation oncologist, Tuomey Cancer Treatment Center
BA, Chemistry, College of Charleston; MD, Medical University of South Carolina; internship in medicine, Medical University of South Carolina; residency in radiation oncology, Virginia Commonwealth University-Medical College of Virginia
Member, Palmetto Health board of directors; member, The Tuomey Foundation board of directors; member and past president, Sumter-Clarendon-Lee Medical Society; member, South Carolina Oncology Society; member, American Society for Therapeutic Radiology and Oncology; member, American College of Radiology; member, Hibernian Society of Charleston; board of trustees member, Wilson Hall School; former board member, Sumter YMCA; confirmation director/instructor, Catholic Community of Sumter.
Financial Consultant
B.S., Accounting, University of South Carolina Darla Moore School of Business; Corporate Financial Management Executive Program, Harvard University; UNUM/Wharton Disability Institute, University of Pennsylvania
Treasurer, Palmetto Health board of directors; board of trustees, Executive Committee and immediate past president, University of South Carolina Business Partnership Foundation. Previous service includes board of trustees, Executive Committee and chair, Columbia College; board of directors and Audit Committee chair, UCI Medical Affiliates Inc.; board of directors, Executive Committee and Finance Committee chair, United Way of the Midlands; board of directors, Trustus Theatre; board of directors and Finance Committee member, Governor's School for Science and Mathematics Foundation; board of directors, Executive Committee, and treasurer, The Cooperative Ministry; board of directors, Executive Committee, and president, Columbia City Ballet; board of directors, South Carolina Chamber of Commerce; board of directors and Finance Committee chair, Greater Columbia Chamber of Commerce; TWIN Diamond Academy Award, Palmetto Center for Women; Distinguished Young Alumni, Darla Moore School of Business; Financial Executive of the Year, Columbia Chapter of IMA; Outstanding CPA in Business and Industry, South Carolina Association of CPAs.
CEO/Senior Financial Advisor, Elam Financial Group
Master of Science, Financial Services, American College, Bryn Mawr, PA; Bachelor of Science, Business Administration and Marketing, University of South Carolina, Columbia, S.C.
Calvin is a small business owner/senior financial advisor. Prior to that, he was a commercial and retail lender with Bank of America. Calvin is a retired Brigadier General and Assistant Adjutant General of the United State Air Force, where he served 33 ½ years. He currently serves on the boards of Claflin University, the United Way of the Midlands, Central Carolina Community Foundation and Brooklyn Baptist Church. His past board service includes Palmetto Health, Central Midlands Council of Governments and others. Calvin brings extensive knowledge of healthcare and healthcare boards and continues to have a passion to serve his community.
Retired attorney with Haynsworth Sinkler Boyd, P.A., from 1978 to 1990, where her primary field of practice was health care.
B.A. from Vanderbilt University and a Juris Doctor degree from the University of South Carolina.
Ellison has held numerous leadership roles on the boards of leading area corporations, organizations and institutes of learning, including serving as chair of the Greenville Health System Board of Trustees and the Greenville Health Corporation Board of Directors. She has also served on the Baptist Easley Hospital Board of Directors, as a trustee on the Joe C. Davis Foundation, and as an elder of Fourth Presbyterian Church. She is also co-founder of Greenville Women Giving, a special initiative of the Community Foundation of Greenville.
President, South State Wealth
Bachelor of Arts, Economics, University of Virginia; Master of Business Administration, University of South Carolina
Member, Palmetto Health board of directors; vice chair, Richland Memorial Hospital board of trustees; former member, Palmetto Health Richland Cancer Center board; member, Trinity Housing Corporation; past president and member, Palmetto Baseball League; past chairman and member, Leadership Columbia.
Distinguished Professor Emeritus and Provost Emeritus, University of South Carolina; Retired Executive Director, USC Foundations
B.S., University of North Carolina at Chapel Hill, 1964; Ph.D., Indiana University, 1968; Postdoctoral fellowship, University of Bristol, England
Vice chair, Palmetto Health board of directors; Alexander von Humbolt Fellow, Stuttgart, West Germany, 1975-1976; Amoco Foundation Outstanding Teaching Award, University of South Carolina, 1984; Michael J. Mungo Award for Excellence in Undergraduate Teaching, University of South Carolina, 1993; Russell Research Award for Science, Mathematics, and Engineering, University of South Carolina, 1994; former board member, Governor's School for Science and Math; USC Educational Foundation; USC Development Foundation; USC Business Partnership Foundation; USC Research Foundation; Junior Achievement; USC Alumni Council board of governors. Former board member, EPSCoR National Coalition (chair, 1998-2000) and EPSCoR National Foundation (chair, 2005). Recipient of Honorary Doctorate Degree in Science from USC in 2014; recipient of the first EPSCoR/IDeA Danek Award, 2016. Former chair and treasurer, Palmetto Health board of directors; former chair, Audit, Compliance and Finance Committee, Palmetto Health board of directors; chair, Richland Memorial Hospital board of trustees.
President of United Community Bank for Greenville County. Prior to this role, she served as a Senior Vice President and Wealth Market Leader for TD Bank.
B.S. in accounting from the University of South Carolina.
Service: Seaver has served on numerous boards or held leadership positions with groups such as Greenville Health System’s Women’s Advisory Council, Greenville Community Foundation, Greenville Women Giving, Artisphere, South Carolina Children’s Theatre, and Children’s Museum of the Upstate.
Pastor of Reedy Fork Baptist Church of Simpsonville.
Alumnus of South Carolina State University and the Interdenominational Theological Center Morehouse School of Religion in Georgia. Simmons has also completed studies at the Billy Graham School of Evangelism in Illinois and the Institute of Church Administration and Management of Georgia. He also received an honorary doctorate degree from the N.J. Brockman School of Religion in 2006 and studied at the Howard University School of Business – Executive Leadership Ministers Program Washington, DC.
Simmons serves as regional vice president of the Baptist E&M Convention of S.C. Region 4, chair of the Reedy Fork Center for Community Development and member of the Meharry/Vanderbilt HIV/AIDS Taskforce. He is also a member of the Greenville Health System Minority Advisory Committee and a former member of the Greenville Health System Board of Trustees.
Vice President, M-D MetalSource
BA, Business Administration, University of North Carolina at Charlotte; graduate of Leadership Columbia and Leadership South Carolina
Chair, Palmetto Health Tuomey board of directors; member, Richland Memorial Hospital board of trustees; board Chair and Executive Committee member, Midlands Education and Business Alliance. Previous service includes Palmetto Health board of directors (past chair and vice chair); former member, Initiant board of managers; the Greater Columbia Chamber of Commerce and its Executive Committee (including roles as chair of the Education Committee, chair of Membership Services, Leadership Columbia Alumni Association, the Industry Council of Executives and the Manufacturer's Council); the Midlands Technical College Foundation board (past chair and member of the Executive and Governance Committees); United Way of the Midlands, Community Impact Committee; Prevent Child Abuse South Carolina/Voices for South Carolina's Children (past chair of Prevent Child Abuse South Carolina, Executive Committee, and Merger Committee); member and past president, Rotary Club of the Vista Night; volunteer leadership roles for the American Heart Association - Midlands Affiliate, the Cultural Council of Richland-Lexington, McKissick Museum Advisory Council and the Columbia Design League. Recipient of the 2015 South Carolina Hospital Association's Distinguished Hospital Trustee award.
Richard (Dick) Wilkerson retired as Chairman and President of Michelin North America in December 2011 after nearly 32 years with the Company. Prior to this role, he held several senior positions with Michelin including Chief Operating Officer for the company’s North American Specialty Tire Product Lines and Executive Vice President of Human Resources. During his career, Mr. Wilkerson worked in Michelin operations in France, Scotland and North America.
Mr. Wilkerson holds a civil engineering degree from Duke University, as well as an honorary Doctor of Humane Letters degree from the College of Charleston, and an Honorary Doctor of Business Administration degree from Norwich University.
Mr. Wilkerson is past chairman of the Executive Committee of the South Carolina Chamber of Commerce. He is also a past member of the Board of Directors of the Yellowstone Park Foundation. Previously, he served on the Clemson University President’s Advisory Board and the University of South Carolina National Advisory Council. He was named the 2010 Clemson Business Person of the Year. In 2011, the South Carolina School Board Association named him a Champion for Public Education. He is active in the Greenville, S.C. community. He is past chairman of the boards of the United Way of Greenville County, the Greenville Area Development Corporation, and the Community Foundation of Greenville and is a current member of the Boards of Directors of the South Carolina Institute of Medicine and Public Health, the Institute for Child Success, the Greenville Health System, and the Patriots Point Authority. He also chairs the Habitat for Humanity CEO build each year in Greenville.
Former Group President of Industrial & Infrastructure business segment at Fluor Corporation. Prior to this role, he served as president and CEO of Savannah River Nuclear Solutions, LLC.
B.S. in civil engineering from Loyola Marymount University. He also completed the Tuck Executive Program at Dartmouth’s Tuck School of Business Management and, Executive Education Program at Thunderbird School of Global Management.
Wilson serves on the Ingredion Incorporated Board of Directors (NYSE: INGR), a global, ingredients solution company that produces sweeteners’, starches, nutrition ingredients and biomaterials used in the foods and beverage, paper and pharmaceuticals industries. He is also a member of the Board of Directors of AK Steel Holding Corporation (NYSE: AKS), a leading producer of flat-rolled carbon and carbon and stainless tubular products, primarily for automotive, infrastructure and manufacturing, construction and electrical power generation and distribution markets. He is also a former executive director of the Urban League of the Upstate.
Wilson was named as one of the National Safety Council’s 2014 CEOs Who “Get it” for world-class safety leadership.