Our Leadership

We are driven by our mission to care for patients, serve physicians and improve health care in America.

Winborne Macphail

President

Winborne Macphail serves as president of SCA Health, overseeing nationwide strategy and operations for our portfolio of ambulatory surgery centers and specialty practices. Winborne has been with SCA Health for 14 years and has a strong track record of delivering year-over-year growth and operational performance, leading business development and group operations. She served as chief operating officer (COO) prior to becoming president in 2024.

Winborne brings over 30 years of leadership experience across various sectors. Prior to SCA Health, she served as division president of operations for Apria Healthcare’s Southeast operations.

Winborne earned a bachelor’s degree in social work from Meredith College.

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Leslie Wachsman

Chief Financial Officer

Leslie Wachsman, MBA leads financial strategy and operations as chief financial officer for SCA Health. She oversees the company's fiscal planning and analytics while supporting strategic investments in facility growth and technology.

Leslie also leads many of the functions that support our facilities and practices, including Revenue Cycle, Information Technology, Supply Chain, Diligence and Integration, and Marketing and Communications. Prior to Leslie’s 13-year tenure at SCA Health, she served in several finance leadership roles for CVS Health.

Leslie earned a bachelor’s degree in business administration and management from the University of Kansas and an MBA from Lake Forest Graduate School of Management.

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Marie Edler

Chief Growth Officer

Marie Edler serves as chief growth officer for SCA Health. She leverages her extensive experience in growth and operational roles to lead the organization’s Enterprise Strategy, Innovation and Growth, Mergers and Acquisitions and Payer Engagement teams, as well as Emerging Businesses. Marie plays a key role in driving the organization’s long-term vision by developing and advancing strategies for growth and acquisitions leading to positioning SCA Health as a leader in specialty care.

Marie joined SCA Health in 2014. Prior to her current role, Marie served in several key executive leadership capacities. She Marie is also a leader in health care policy and strategy, serving on the national board of the Ambulatory Surgery Center Association (ASCA).

Marie earned a bachelor’s degree and master’s degree in public health from Emory University.

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Daniel Riggs

Chief Operating Officer

Daniel Riggs serves as chief operating officer for SCA Health, where he leads customer relationships and sets strategic direction for our surgical facilities and specialty practice performance. He also oversees the operations for more than 100 ambulatory surgery centers and over 50 practice locations in the Central and Western Regions of SCA Health.

During Daniel’s decade-long tenure as director of operations, he led the organization's first value-based care programs in partnership with Anthem of Kentucky. Since 2015, he has led teams in sales, operations, logistics, supply chain and development. Prior to SCA Health, Daniel served for 10 years as market vice president for Apria Healthcare, where he led sales and operations.

Daniel earned a bachelor's degree in business and communications from Charleston Southern University.

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Kerri Milless

Chief Human Resource Officer

Kerri Milless joined SCA Health in 2023 as the organization’s first chief human resources officer. Her five years at Optum, along with over 20 years of human resources experience, prepared her to develop effective workplace strategies that support organizational growth and lead initiatives aimed at strengthening company culture and employee engagement across the enterprise. Kerri’s work ensures that the culture of SCA Health supports the Mission, Vision and Values of the company.

Kerri earned a bachelor of arts degree and a master’s degree in human resources and industrial relations from the Carlson School of Management at the University of Minnesota.

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Ladd Mark

General Counsel

As general counsel for SCA Health, Ladd Mark provides strategic legal guidance for the organization's operations and growth, leading initiatives in regulatory compliance and corporate governance and supporting facility partnerships.

Since joining SCA Health in 2014, Ladd has gained a breadth of experience across the enterprise and has continued to expand his leadership roles. During his tenure, he has been heavily involved in more than 30 successful transaction closings. Prior to joining SCA Health, Ladd served as a corporate lawyer focusing on mergers and acquisitions at Burr & Forman LLP.

Ladd earned a bachelor’s degree from the University of Alabama and a Juris Doctor from the University of North Carolina at Chapel Hill School of Law.

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Dr. Jerome Williams Jr., MD, MBA

Chief Physician Executive and Interim Chief Medical Officer, SCA Health

Dr. Jerome Williams Jr., MD, MBA serves as chief physician executive for SCA Health and co-chair of the company’s medical executive board. He guides transformational change in specialty care delivery, focusing on optimizing clinical outcomes through value-based care initiatives and strengthening Health Innovation Value Enterprise (HiVE) strategies. He has executive oversight of all medical affairs for SCA Health’s surgical facilities and specialty practices.

As an accomplished cardiologist and inclusive innovator, Dr. Williams brings extensive leadership experience in physician governance, practice performance optimization and medical affairs to his oversight of SCA Health physicians and critical MSO practice functions. Prior to joining SCA Health in 2024, Dr. Williams served as senior vice president of consumer engagement and corporate health at Novant Health.

Dr. Williams earned a bachelor’s degree from City College of New York, an MBA from Wake Forest University and an MD from New York University School of Medicine. He completed his internal medicine residency at Columbia University and his cardiovascular fellowship at Yale University.

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Larry Taylor

Group President, Operations, Southeast Region

Larry Taylor brings over 40 years of expertise in health care delivery, management and physician relations to his role as group president, operations for the Southeast Region of SCA Health, overseeing strategy and operations for more than 110 ambulatory surgery centers and over 40 practice locations across 12 states.

Larry joined SCA Health in 2018 and has held several key leadership roles, including vice president of development, growth office and group president for the Florida region. Prior to SCA Health, he founded Practice Partners in HealthCare, Inc., an ASC company that owned and operated surgery centers across nine states. He also served as an adjunct professor in health care at the University of Alabama at Birmingham, as a board member of the American Sports Medicine Institute and as a board member and past president of the Ambulatory Surgery Center Association (ASCA).

Larry earned a bachelor’s degree in athletic training and education from West Virginia University.

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Jack Pocorobba

Group President, Operations, Northeast Region

Jack Pocorobba serves as group president, operations for the Northeast Region of SCA Health, overseeing strategy and operations for more than 140 ambulatory surgery centers and nearly 180 practice locations across 16 states. He joined SCA Health in 2010 as a facility administrator in southern New Jersey and progressed through multiple leadership roles before becoming group president in 2020.

Jack brings over 20 years of health care leadership experience, including prior roles in skilled nursing facility management. Known for his people-first approach, Jack has helped to create significant growth while building and sustaining a high-performing, trusted leadership team.

Jack earned a bachelor’s of science degree from Arcadia University.

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