• Doctor of Philosophy, Cornell University
  • Master of Science, Cornell University
  • Bachelor of Arts, Union College


Profesor Investigador titular principal, USFQ
( 2005 - Hasta el presente )
Docencia en salud publica y sociologia; investigacin en temas de salud, nutricion y desarrollo. Co-director del Instituto de Investigacion en Salud y Nutricion (ISYN), Presidente del Comite de Etica de Investigacion en Seres Humanos (CEISH-USFQ) hasta Octubre 2018.
Associate Professor of Global Health, George Washington University
( 1994 - 2005 )
Profesor de salud global y desarrollo internacional.
Decano y profesor de sociologia, USFQ
( 1989 - 1994 )
Decano de Administracion para el Desarrollo, Decano de Ciencias Sociales y Humanidades, Profesor de Sociologia


2022 A sex- and gender-based analysis of factors associated with linear growth in infants in Ecuadorian Andes
2022 Antibiotic use by backyard food animal producers in Ecuador: a qualitative study
2022 Mosquitoes of the Galapagos Islands: The Risk for Arbovirus Transmission and the Need for a Better Vector Surveillance and Control Program
2022 Overweight and Obesity in Galapagos: Food Consumption Patterns and Globalization in the Encantadas
2022 Terraces and ancestral knowledge in an Andean agroecosystem: a call for inclusiveness in planetary health action
2021 Assessing upstream determinants of antibiotic use in small-scale food animal production through a simulated client method
2021 Caliata: An Indigenous Community in Ecuador Offers Lessons on Food Sovereignty and Sustainable Diets
2021 Ecological community: Heterarchical organization in a contemporary agri-food system in Northern Andes
2021 Ethnic Disparities in Nutritional Status among Older Adults: Evidence from the Survey of Health, Welfare and Aging (SABE) Ecuador
2021 Fetal brain ultrasound measures and maternal nutrition: A feasibility study in Ecuador
2021 Land degradation and the link to increased livelihood vulnerabilities among indigenous populations in the Andes of Ecuador
2021 The impact of seasonality and climate variability on livelihood security in the Ecuadorian Andes
2020 Biosafety at home: How to translate biomedical laboratory safety precautions for everyday use in the context of COVID-19
2020 Breastfeeding practices and complementary feeding in Ecuador: Implications for localized policy applications and promotion of breastfeeding: A pooled analysis
2020 Desigualdades sociales y en salud en adultos mayores ecuatorianos
2020 Ecuador: Covid stalks the highlands: Remoteness, under-reporting and inadequate health services conceal the true total
2020 Egg intervention effect on linear growth no longer present after two years
2020 Malnutrition inequalities in Ecuador: Differences by wealth, education level and ethnicity
2020 Us evaluation of bone age in rural ecuadorian children: Association with anthropometry and nutrition
2019 Aedes aegypti: Distribución y epidemiología del dengue, Zika y Chikungunya en Galápagos.
2019 Baseline data on Leishmaniasis transmission and sand fly vectors from the rural parishes of the Metropolitan District of Quito, Ecuador
2019 Connecting the dots between sustainable diets and biocultural systems in a rural indigenous community of the Ecuadorian Andes
2019 Depression and psychosis related to the absence of visitors and consumption of drugs in male prisoners in Ecuador: A cross sectional study
2019 Duplicate publications letter
2019 Ultrasound evaluation of bone age in rural Ecuadorian children and its association with nutrition
2018 Cracking the Egg Potential: Traditional Knowledge, Attitudes, and Practices in a Food-Based Nutrition Intervention in Highland Ecuador
2018 Government policy, clean fuel access, and persistent fuel stacking in Ecuador
2018 Monitoreo y comportamiento del mosquito Aedes aegypti (Diptera:Culicidae) en las islas Galápagos, principal vector de dengue, chikungunya y Zika
2018 Overweight, obesity, and food consumption in Galapagos, Ecuador: A window on the world
2018 Physically Demanding Labor and Health Among Indigenous Women in the Ecuadorian Highlands
2018 Reply: New case of duplicate or redundant publication in different languages
2018 The double burden of chronic malnutrition and overweight and obesity in Ecuadorian mothers and children, 1986-2012
2018 The Lulun Project's social marketing strategy in a trial to introduce eggs during complementary feeding in Ecuador
2017 A qualitative study of consumer perceptions and use of traffic light food labelling in Ecuador
2017 Discourse versus practice: Are traditional practices and beliefs in pregnancy and childbirth included or excluded in the Ecuadorian health care system?
2017 Eggs early in complementary feeding increase choline pathway biomarkers and DHA: A randomized controlled trial in Ecuador
2017 Eggs in early complementary feeding and child growth: A randomized controlled trial
2017 Malnutrition in all its forms differs by socieoeconomic status, education level and race/ethnicity in Ecuador
2017 Nutritional traffic light system for processed foods: Qualitative study of awareness, understanding, attitudes, and practices in Ecuador
2016 Animal husbandry practices and perceptions of zoonotic infectious disease risks among livestock keepers in a rural parish of quito, Ecuador
2016 Egg and dairy consumption were not associated with allergic reactions or allergy-like symptoms in 6 to 9 month-old infants from rural Cotopaxi, Ecuador
2016 Pharmacogenetics and ethnicity: relevance for clinical implementation, clinical trials, pharmacovigilance and drug regulation in Latin America
2015 Ecosystem determinants of malaria risk in indigenous and non-­‐indigenous communiIes in the Northern Ecuadorian Amazon
2015 Ecosystem determinants of malaria risk in indigenous and non-indigenous communities in the Northern Ecuadorian Amazon
2015 Ecuador's National Health and Nutrition Survey: Objectives, design, and methods
2015 Libertad, equidad, igualdad y desarrollo
2014 Aging, Health, and Identity in Ecuador’s Indigenous Communities
2014 Social Marketing: A Psychosocial Strategy for a Positive Behavioral Change
2014 The double burden of undernutrition and excess body weight in Ecuador
2014 The double burden of undernutritionand excess body weight in Ecuador
2014 Who gets fortified: children or corporations?
2013 Avances y brechas en salud para las personas mayores en los paises andinos
2012 Condiciones de salud en los adultos mayores en el Ecuador: desafíos presentes y futuros
2012 Envejecimiento, Salud y Bienestar en los Adultos Mayores Indígenas del Ecuador
2011 Encuesta Nacional de Salud, Bienestar y Envejecimiento: SABE II Ecuador, 2009-2010.
2011 Salud, Bienestar y Envejecimiento del Adulto Mayor Indígenas en el Ecuador.
2010 Encuesta Nacional de Salud, Bienestar y Envejecimiento: SABE I Ecuador, 2009-2010
2010 Qualitative methods for assessing conditional cash-transfer programmes: The case of Panama
2010 SABE I. Encuesta Nacional de Salud Bienestar y Envejecimiento Ecuador 2009 - 2010
2009 Globalización, restructuración socioeconómica y transición epidemiológica
2007 Indigenous Communities, Landlords, and the State: Land and Labor in Highland Ecuador, 1950 – 1975
2006 Globalization and local response to epidemiological overlap in 21st century Ecuador
2006 Salud, transición y globalización: la experiencia del Ecuador
2006 Use of the Veterans History Project to assess World War II veterans' perceptions of military experiences and health
2005 Observational Research in Global Health Communications
2002 Rural poverty in Ecuador: assessing local realities for the development of anti-poverty programs
2001 Globalization, socioeconomic restructuring, and community health
1997 The road of many returns: Rural bases of the informal urban economy in Ecuador
1996 Rural Poverty in Ecuador--A Qualitative Assessment
1993 Las Agroexportaciones no Tradicionales Como Respuesta Empresarial a las Transformaciones Fordistas Mundiales
1993 Sistemas Productivos en la Transformación de la Amazonía
1989 Response to natural disasters: opportunities for theoretical and applied rural sociology
1985 The Changing Structure of Female Agricultural Land Ownership, 1946 and 1978


Salud Pública, Determinantes Sociales de Salud, Nutrición y Desarrollo, Sector Rural y Agricultura, Pobreza Crítica, Protección Social, Migración, Vínculos Rurales-Urbanos, Medio Ambiente, Género, Grupos Indígenas, Adultos Mayores, Ética en la Investigación, Diseño, Implementación y Evaluación de Proyectos de Desarrollo Social