Our Team

We are a physician-led organisation

that offers patients an unrivalled standard of high quality, efficient and integrated care.

Meet our team

Armin Ernst MD, MHCM

CEO and President

With over 20 years of experience in health care around the world, Dr Ernst brings expertise in traditional and innovative delivery systems and extensive managerial experience. A Harvard-trained and globally recognised physician and teacher, Dr Ernst leads Steward’s international expansion.

Iñigo Gomez-Jordana

General Counsel

Iñigo Gomez-Jordana is a Spanish lawyer with over 25 years of international experience in corporate law and corporate finance law. One of the leading practitioners in the field, Iñigo has been the managing partner and the senior partner of leading international law firms and advised on takeovers, private equity acquisitions, mergers and demergers and the full spectrum of corporate finance transactions.

José de Hoyos

Chief Financial Officer

José de Hoyos is a Spanish finance executive who brings more than 20 years of leadership experience in corporate finance, mergers and acquisitions, and financial controlling with in-depth experience in complex multinational environments and managing cross-functional teams.

Michael Crowley

Senior Vice President Global Corporate Real Estate and Facilities

A Spanish resident based in our Madrid headquarters, Michael Crowley has more than 20 years of experience in delivering sustainable real estate solutions in support of business strategies while ensuring the best possible experience for our patients and their families.

Klaus Lederer

Vice President of Acquisitions

Klaus Lederer is a German executive who understands the requirements of operating and investing in businesses in international markets. He has co-founded a health care focused private equity group which has been successful in a number of international ventures with a particular focus on Latin America. Klaus holds a B.S. in Economics from Bentley University and a J.D. from the University of Miami.

Nadine Delicata MD, MBA, MPH

President, Steward Health Care Malta

Dr Delicata is a Maltese medical professional who graduated as a Doctor of Medicine and Surgery from the University of Malta followed by specialisation in Public Health and an MBA from Maastricht University. Nadine has more than 20 years of experience in senior leadership roles within the Maltese health system, including EU and international exposure, legislation, population health programmes and policy, hospital management, and financial and strategic planning.

Joshua Putter

President, Steward Health Care Colombia

Joshua Putter is a Senior Healthcare Executive with over 30 years of progressive healthcare leadership. Joshua manages complex health systems, including hospitals, ambulatory surgery centers, and various outpatient clinics. He oversees integral aspects of the Colombia business, ensuring that financial outcomes, physician recruitment, and quality control are consistently at the highest standard.

Marc-David Munk MD, MPH, MHCM

President, Steward Health Care Middle East

Dr Munk has led Steward’s Middle East portfolio since 2019. An emergency physician, Dr Munk is an internationally recognised authority in accountable care, as well as “new entrant” healthcare strategy. Dr Munk brings extensive experience in global health, both as a clinician and as a business executive: he earned a diploma in global health following fellowship at the University of Pittsburgh, a MPH degree in international healthcare from Boston University and a Master of Science degree in management from Harvard University.