NUHS Appropriate and Value-Based Care Symposium 2026 

Professor Gregory Katz
Chair of Value-Based Healthcare, Université Paris Cité School of Medicine
President, PromTime

Gregory Katz is Professor and Chair of Value-Based Health Care at Université Paris Cité School of Medicine. A member of the French National Academy of Surgery, his research focuses on Patient-Reported Outcome Measures (PROMs), care appropriateness, and the role of peer benchmarking in driving continuous improvement. He sits on the expert board of the Statista-Newsweek World's Best Hospitals ranking. Gregory Katz has served as Chief Scientific and Innovation Officer at major European hospital groups. He is currently the President of PromTime, a health data science company specializing in implementing Value-Based Health Care and peer benchmarking. PromTime works with leading hospitals, payers, regulators, patient associations, and medical specialty organizations to support PROM adoption and professional self-regulation.

SPEAKER/PANELLIST

Adj A/Prof Amelia Santosa leads strategic initiatives in Appropriate Care, quality improvement and clinical transformation across NUHS, with a focus on delivering evidence-based, patient-centred care that improves outcomes and healthcare sustainability.

SPEAKER/PANELLIST

Dr Marcia Makdisse
VBHC Center Europe Ambassador for Brazil

Dr Marcia Makdisse is a cardiologist and one of Latin America’s leading voices in Value-Based Care (VBC). She holds a Master of Science in Healthcare Transformation from The University of Texas at Austin and is the founder of Mak Valor Mentoring and Academia VBHC.

Over the past decade, she has partnered with healthcare organisations across Latin America to advance VBC through outcomes measurement, care redesign, leadership development, and innovative payment models. Following 10 years as Head of Cardiology, she led the creation of Latin America’s first Value Management Office at Hospital Israelita Albert Einstein and currently serves as Ambassador of VBHC Center Europe and Scientific Partner of the Oxford Value and Stewardship Programme.

Her work has contributed to internationally recognised VBHC initiatives, including the 2026 VBHC Prize-winning Low Back Pain Integrated Care Network. Dr Makdisse has published more than 50 peer-reviewed scientific articles and co-edited and co-authored the Brazilian Atlas of Variation in Healthcare.

SPEAKER/PANELLIST

Adjunct Assistant Professor Sandra Tan
Consultant, Division of Advanced Internal Medicine, Department of Medicine, National University Hospital
Clinical Lead, NUHS@Home

Adjunct Assistant Prof Sandra Tan is a specialist in Advanced Internal Medicine and Clinical Lead of NUHS@Home, the Mobile Inpatient Care@Home service of the National University Health System (NUHS) in Singapore, which delivers acute hospital-level care safely in patients’ homes. She leads the development, implementation and refinement of clinical service plans in line with the strategic directions of Singapore’s Ministry of Health and NUHS, ensuring the service is well integrated across institutions and care settings. In her role, she oversees clinical operations and works closely with the healthcare cluster’s key stakeholders to determine the spread of services, assure clinical quality outcomes, and ensure timely, cost effective care.

She is also responsible for establishing robust clinical governance and maintaining compliance with national regulations and institutional policies. She plays a central role in guiding multidisciplinary teams to deliver safe, patient centred virtual care that preserves hospital-equivalent standards while improving patients’ comfort and experience at home.

MODERATOR

SPEAKER/PANELLIST

Dr Amit Gutkind
Head of Medical, Quality & Safety Care, Risk Management, and Infection Prevention Division, Sheba Medical Center

Dr Gutkind serves as the Head of the Medical, Quality & Safety Care, Risk Management, and Infection Prevention Division at Sheba Tel Hashomer Medical Center, Israel. With extensive experience in the fields of Hemato-Oncology and Pediatric Bone Marrow Transplantation, Dr Gutkind has dedicated recent years to advancing healthcare systems with a specific focus on quality and patient safety. His fields of expertise include quality assessment, performance measurement, and the implementation of continuous improvement strategies across a wide range of medical services. 

For the past several years, Dr Gutkind has been a senior partner in leading Sheba Medical Center’s accreditation processes, ensuring alignment with international standards of healthcare excellence. Additionally, he serves as Chairman of the Institutional Committee for the authorization of New Medical Technologies and acts as a consultant on a groundbreaking project aimed at enhancing quality and safety culture using AI-based systems. Dr Gutkind has also driven the integration of Patient-Reported Outcome Measures (PROMs) as a central tool for improving care quality and efficiency. 

Dr. Gutkind earned his Ph.D. from the Faculty of Medicine and Health Sciences, Tel Aviv University, Israel. His doctoral research, focused on advancing methodologies for identifying adverse drug events and evaluating the clinical and economic impacts of decision-support technologies in reducing medication-related harm.

SPEAKER/PANELLIST

Dr Benjamin Tan
Clinical Director, Division of Neurology, National University Hospital
Consultant, Division of Neurology, National University Hospital

Dr Benjamin Tan is a Consultant and Clinical Director of Neurology at the National University Hospital, Singapore. His clinical and research interests focus on young stroke, brain health, and improving the measurement of outcomes that matter to patients. He has authored more than 300 peer-reviewed publications and serves as Specialty Editor for Neurology at the Singapore Medical Journal and Section Editor for Stroke at the Journal of Thrombosis and Thrombolysis. He leads initiatives to integrate multidimensional patient-reported outcome measures into young stroke care, helping to identify hidden physical, cognitive, emotional, and social needs, support patient-centred consultations, and guide more personalised and targeted care.

SPEAKER/PANELLIST

Eva Villalba is an internationally recognized value-based health care leader and advocate for patient-centered care. As Executive Director of the Quebec Cancer Coalition, she advances policy and system transformation to improve outcomes for people affected by cancer.

She co-chairs the Resilient Healthcare Coalition, a cross-sector initiative bringing together public, private, and community leaders to build a more agile, equitable, and outcomes-driven health system. She also serves on the board of the Artificial Intelligence Impact Alliance, promoting the role of AI for social good.

Eva holds an MBA from HEC Montréal and a Master of Science in Health Transformation from the University of Texas at Austin, where she was the first Canadian graduate in VBHC under Professor Elizabeth Teisberg. She is currently a PhD candidate at Radboud University Medical Center, under Professor Paul van der Nat, focusing on VBHC and patient partnership.

Founder of Expertise Valeur en Santé and the VBHC Summit Canada, Eva is also faculty with ICHOM Education and an active contributor to international VBHC networks, including a core member of the Value Catalyst Learning Community. She is a sought-after speaker committed to advancing collaborative, patient-centered health system transformation.

MODERATOR

SPEAKER/PANELLIST

Associate Professor Scott Wallace
Founder, CEO and Lead Faculty, Health Value Academy
Associate Professor, Dell Medical School, University of Texas at Austin

Since 2007, he has worked on high-value transformations spanning a wide array of health conditions in more than 15 countries.

In 2024, A/Prof Wallace founded the Health Value Academy and launched the ICHOM-Certified Value-Based Health Care Program, a 15-week online training program that builds skills and perspectives in high-value transformation. To date, the programme has graduated over 550 people from 41 countries.

In 2016, A/Prof Wallace was recruited as the first Chief Business Officer of the Dell Medical School at the University of Texas at Austin. In addition to helping launch the medical school, he led the creation and launch of the Master of Science in Health Care Transformation programme, the first-degree programme offered jointly by Dell Med and the McCombs School of Business. His work in co-creating and teaching five of its nine courses resulted in his being awarded the university’s highest academic honor for educational innovation and teaching excellence in 2023. Prior to UT Austin, he helped launch the Master of Health Care Delivery Science programme at Dartmouth.

Working with Elizabeth Teisberg, A/Prof Wallace created the Experience Group Research Methodology to efficiently identify outcomes that matter most to patients.

Appointed by President George W. Bush in 2006, he chaired the federal commission that created the first health IT strategic plan for the country. A/Prof Wallace holds J. D. and M.B.A. degrees from the University of Chicago, and a B.A. from Duke University.

PANELLIST

Dr Dana Gelb Safran, Sc.D.
Managing Principal, Health Transformation Strategies
Past President & CEO, National Quality Forum

Dana Gelb Safran, Sc.D. is an internationally recognised healthcare executive with a unique blend of accomplishment in business, policy and academia. A central feature of her work has been combining the science of quality measurement with the art of its use to drive improved outcomes and affordability. Most recently, Dr. Safran served as President & CEO of the National Quality Forum, and Chief Scientific Officer of the Joint Commission. Dr. Safran served for more than a decade as a senior executive at Blue Cross Blue Shield of Massachusetts, where she was a lead architect of the Alternative Quality Contract (AQC), which is widely credited with having catalysed the value-based payment movement. Dr. Safran is an elected member of the National Academy of Medicine and has held a broad range of advisory roles in the US and internationally. She holds a BA from Wesleyan University and an ScM and ScD from Harvard School of Public Health.

PANELLIST

MODERATOR

Wong Soo Min
Group Chief Financial Officer, National University Health System

PANELLIST

Professor Gregory Katz
Chair of Value-Based Healthcare, Université Paris Cité School of Medicine
President, PromTime

PANELLIST

PANELLIST

Associate Professor Scott Wallace
Founder, CEO and Lead Faculty, Health Value Academy
Associate Professor, Dell Medical School, Univesity of Texas at Austin

PANELLIST

Dr Fereen Liew
Deputy Director – General Health (Appropriate & Value-Based Care)
Executive Director (Agency for Care Effectiveness)
Ministry of Health, Singapore

PANELLIST

Professor Thomas Loh
Group Chairman, Medical Board (GCMB), National University Health System
Senior Consultant, Department of Otolaryngology - Head & Neck Surgery (ENT), National University Hospital
Senior Consultant, Division of Surgical Oncology, National University Cancer Institute, Singapore

MODERATOR