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Member Profile

Membership type: full

Violeta Chacón

Country of origin: Guatemala Currently in: United States, Boston General field of specialization: Medical and Health Sciences incl Neurosciences
Academic Background


2006 Undergraduate Medical and Health Sciences incl Neurosciences
2012 Master Medical and Health Sciences incl Neurosciences
Research and Profession

Current Research Activities


Food policy (marketing, packaging, and labeling); Behavioral interventions for childhood obesity prevention; Food environments in school

Publications resulting from Research: 

Chacon V, Letona P, Barnoya J. Child-oriented marketing techniques in snack food packages in Guatemala. BMC Public Health. 2013;13:967.

Letona P, Chacon V, Roberto C, Barnoya J. Effects of licensed characters on children's taste and snack preferences in Guatemala, a low/middle income country. International Journal of Obesity. 2014;38(11):1466-9

Letona P, Chacon V, Roberto C, Barnoya J. A qualitative study of children's snack food packaging perceptions and preferences. BMC Public Health. 2014. 14:1274.

Chacon V, Letona P, Villamor E, Barnoya J. Snack food advertising in stores around public schools in Guatemala. Critical Public Health. 2014; 25(3), 291-298.

Soo J, Letona P, Chacon V, Barnoya J, Roberto C. Nutritional quality and child-oriented marketing of breakfast cereals in Guatemala. International Journal of Obesity. 2015; 40(1):39-44

Madrigal L, Adams I, Chacon V, Barnoya J. Perceived barriers to achieving a healthy weight: a qualitative study using focus groups at public and private schools in Guatemala City. BMC Public Health 2017; 17(1):1-6

Godin K, Chacon V, Barnoya J, Leatherdale S. The school environment and sugar-sweetened beverage consumption among Guatemalan adolescents. Public Health Nutrition 2017; 1-8

Chacon V, Paraje G, Barnoya J, Chaloupka FJ. Own-price, cross-price, and expenditure elasticities on sugar-sweetened beverages in Guatemala. PLoS ONE, 2018. 13(10)

Kurschner, S., Madrigal, L., Chacon, V., Barnoya, J. and Rohloff, P. (2020), Impact of school and work status on diet and physical activity in rural Guatemalan adolescent girls: a qualitative study. Ann. N.Y. Acad. Sci.. doi:10.1111/nyas.14183

Current profession

Current professional activities type: 
PhD student at Friedman School of Nutrition Science and Policy at Tufts University

Workshop and Conference Attended

2017 Atlanta, GA, USA American Public Health Association Meeting
2016 Cape Town, South Africa World Public Health Nutrition Association Meeting
2015 Montreal, Canada Canadian Conference on Global Health

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