Differences between male and female mortality in Colombia: a population-based analysis since 1980
The Lancet Regional Health – Americas
MPH, MBA, LL.B.
Global health consultant specializing in pharmaceutical policy, health systems, and access to medicines in Latin America and the Caribbean.
Johnattan García-Ruiz is a Department Associate at the Harvard T.H. Chan School of Public Health and Founder of Decilion, a global health consultancy. His work focuses on helping people in Latin America and the Caribbean access the medicines and health technologies they need.
As Managing Director of Decilion, he leads projects at the intersection of comparative health systems research and digital storytelling for international health organizations, top global health academic centers, and highly cited academic journals. He oversees a multidisciplinary team delivering projects in global health research, digital strategy, and data visualization.
He has consulted with leading international organizations including the Inter-American Development Bank, Expertise France, the Pan American Health Organization, the Economic Commission for Latin America and the Caribbean, Oxfam International, the World Health Organization, ACCESS Health International, and the U4 Anti-Corruption Resource Centre.
His recent work includes evaluating policies and market dynamics for generic and biosimilar medicines, performing comparative analyses of regulatory agencies, assessing COVID-19 vaccine distribution inequities, and developing strategies to strengthen local drug manufacturing in Latin America.
He received his Law degree (LL.B.) from Universidad de los Andes in Bogota, Colombia, a Master of Public Health (MPH) in Global Health from Harvard University, and an MBA from Saïd Business School, University of Oxford, where he was a member of the Social Impact Lab at the Skoll Centre for Social Entrepreneurship.
Earlier in his career, he served as legal advisor to the Director of Medicines and Health Technologies at the Colombian Ministry of Health and Social Protection. He co-founded the Environmental and Public Health Law Clinic at Universidad de los Andes and has held positions at the Harvard Health Systems Innovation Lab, Dejusticia, the Center for Global Development, and the WHO Centre for Health Development in Kobe, Japan.
University of Oxford — Saïd Business School
Member of the Social Impact Lab, Skoll Centre for Social Entrepreneurship
Harvard University — T.H. Chan School of Public Health
Global Health Concentration
Universidad de los Andes — School of Law
Thesis: Social Rights and Determinants of Health: Closing the Gap
Health systems strengthening and universal health coverage in low- and middle-income countries
Pharmaceutical policy, drug pricing, and equitable access to health technologies
Analysis of health system reforms and priority-setting mechanisms
Leveraging digital technologies to communicate public health information effectively
The Lancet Regional Health – Americas
BMJ Open
Health Systems & Reform
Health Systems Innovation Lab, Harvard University
Dec 2023–Present
Global health consultancy specializing in comparative health systems research and digital communication for international health organizations, academic centers, and academic journals.
Dec 2025–Present
Health, Nutrition, and Population Division. Evaluating policies and market dynamics for generic and biosimilar medicines.
Dec 2024–Present
Department of Global Health and Population, Takemi Program in International Health.
Aug 2025–Present
Comparative analysis of regulatory agencies in Europe and Latin America for INVIMA.
2020–Present
School of Law and School of Medicine and Health Sciences, Bogotá, Colombia.
Economic Commission for Latin America and the Caribbean (ECLAC)
Landscape analysis on Colombian local pharmaceutical manufacturing (2024)
Pan American Health Organization (PAHO)
Access to Essential Medicines and Medical Devices in LAC (2023)
ACCESS Health International
Fintech and Health in Colombia (2023)
U4 Anti-Corruption Resource Centre
Falsified medicines in Colombia (2022)
Oxfam International
COVID-19 vaccine distribution in Latin America (2021)
Harvard T.H. Chan School of Public Health
Takemi Program and Health Systems Innovation Lab (2020–2024)
Center for the Study of Law, Justice and Society (Dejusticia)
Road safety, food policy, and COVID-19 policy (2019–2021)
Colombian Ministry of Health and Social Protection
Drug access, price regulation, and compulsory license procedures (2014–2015)
Center for Global Development
Washington, D.C. (2018)
WHO Centre for Health Development
Kobe, Japan (2018)
Universidad del Rosario School of Medicine and Health Sciences
Spring 2025, Spring & Fall 2023, Spring & Fall 2021
Universidad de los Andes School of Law
Spring 2025, Fall 2021, Fall 2020, Spring 2020
Universidad de los Andes School of Law
Spring 2021
MPH Thesis: The role of the media in public health in Colombia: a content analysis of news about HPV between December 2012 and December 2015. Student: Sergio Silva Numa.
LL.B. Thesis: The declaration of public interest of medicines in Colombia as a mechanism for protecting the right to health from an international human rights law perspective. Students: María José Arango and Gabriela Arévalo.
LL.B. Thesis: Science advances faster than the law: The legality of assisted reproduction techniques in Colombia. Student: Gabriela Ríos.