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For more information about IHI’s work in Europe, please email:

Chesley Rappleye

Regional Team


Pedro Delgado, MSc
Regional Lead
Head of Europe and Latin America
Institute for Healthcare Improvement
Belfast, Northern Ireland

Pedro Delgado has a unique ability to work across cultures, languages, and systems. Based in the United Kingdom, he has been a driving force in IHI’s global strategy. From work on reducing C-sections and healthcare-acquired infections in Brazil and several Latin American countries, to improving early years education in Chile, to improving patient safety in Portugal and mental health in London, Mr. Delgado has led the key senior relationships and design and implementation of large-scale health system improvement efforts and networks globally. He coaches senior leaders and teams, and lectures extensively worldwide on large-scale change, patient safety, and quality improvement. He is an Instructor at the Harvard T.H. Chan School of Public Health. His background is rich in diversity, including a brief period as a professional football (soccer) player, roles in hospital management and large-scale improvement leadership in the UK, and experience working in mental health in Venezuela and the UK. He holds summa cum laude degrees in Psychology and in Global Business, is a trained Improvement Advisor, and has an MSc in Healthcare Management and Leadership.


Burks_Dorian_thumb.jpg Dorian Burks
Project Manager
Institute for Healthcare Improvement
Boston, MA, USA

Dorian Burks manages and coaches projects on building improvement capability within the UK’s National Health Service and communities in the United States, and he serves as the relationship manager for IHI’s Strategic Partnership with Qulturum in Region Jönköping, Sweden. He is part of IHI’s Internal Equity Improvement Team, where he leads work to improve supervisor and supervisee relationships. He also co-facilitates RISE (Reaching for Inclusion, Social Justice and Equity), an IHI initiative building the foundation for healthy emotional and relational development to incorporate equity into all aspects of work. In addition, Mr. Burks manages IHI virtual programming and the Passport to IHI Training membership program. He graduated from Massachusetts Institute of Technology, where he received his Bachelor of Science degree in Biology and humanities concentration in Anthropology, and he is currently pursuing a Master of Public Health degree at Boston University.



Olivia Butkowski
Project Coordinator
Institute for Healthcare Improvement
Boston, MA, USA

Olivia Butkowski supports quality improvement projects in the Europe region and on IHI Strategic Partners team. Her professional interests include social determinants of health and preventative medicine, with a focus on health disparities within and among communities. Before joining IHI, she worked as a New Patient Coordinator in the Thoracic Surgery Department at Brigham and Women’s Hospital. During her time there, she worked on projects to optimize patient experience, streamline clinic flow, and improve team operations. Ms. Butkowski graduated from Cornell University with a degree in Human Development and minors in Health Policy and Business.


Hannah_Susan_thumb.jpg Susan Hannah
Senior Director, Europe Region and Strategic Partners
Institute for Healthcare Improvement

Susan Hannah has a background in high-care nursing and expertise as a leader for patient safety and clinical improvement in Scottish health care, responsible for the delivery of patient safety in a health system and serving as faculty for the national program. A trained Improvement Advisor, she worked in the Scottish government for six years, performing improvement and leadership roles to influence the adoption of quality strategies and improvement science in government policy teams and across public services. Ms. Hannah led the design and delivery of a national Raising Attainment for All QI Collaborative for Education, later amalgamating this with the Early Years Collaborative to establish and lead the Children and Young People Improvement Collaborative, a large-scale national program that delivers multiagency quality improvement communities working to improve health and achievement outcomes across Scotland. She joined IHI in 2019 and is a Health Foundation Generation Q Fellow.


Rappleye_Chesley_thumb.jpg Chesley Rappleye
New Business Manager, Europe
Institute for Healthcare Improvement
Boston, MA, USA

Chesley Rappleye joined the Institute for Healthcare Improvement in January 2015 and is based in IHI’s Boston office. In her role as New Business Manager, she is responsible for partnering with organizations to identify unique solutions to their needs, as well as designing and developing business models and detailed project budgets. She is a graduate of the IHI Improvement Coach Professional Development Program and her interests are centered around the Triple Aim, health equity, and the business case for quality.


Zambeaux_Angela_thumb.jpg Angela Zambeaux
Senior Project Manager
Institute for Healthcare Improvement
Boston, MA, USA

Angela G. Zambeaux has managed a wide variety of IHI projects and programs. Since 2013 she has managed the Always Events program and contributed to the spread of Always Events across NHS England through the publication of a toolkit and coaching of improvement teams. Ms. Zambeaux works with The Conversation Project and Conversation Ready, projects designed to help make sure people’s end-of-life care wishes are expressed and respected. As Operational Lead for Europe, her role includes project design, delivery, and evaluation. Prior to joining IHI, Ms. Zambeaux provided project management support to a small accounting firm and spent a year in France teaching English to elementary school students.