• The 8th International Medicinal Mushroom Conference (IMMC8). Manizales (Colombia). 2015.

Ponencia: Feasibility of including β‐glucans from Ganoderma lucidum into stirred yogurt

• II Congreso Internacional de Investigación e Innovación en Ingeniería, Ciencia y Tecnología de Alimentos, IICTA 2014. Medellín (Colombia)

Ponencia: Green technologies for whey valorisation, with enphasis in the lactose transformation.

• 81ème Congrès de l'ACFAS, 2013. Quebec City (Canada)

Ponencia: Extraction 'verte' assistée des huiles du fruit d'argousier (Hippophaё Rhamnoides L.) à l'aide d'enzymes.

• ISHS-Third International Conference on Postharvest and Quality Management of Horticultura Products of Interest in the Tropics, 2013. Puerto España (Trinidad y Tobago)

Ponencia: Uses of amazonian seje oil (Oenocarpus bataua) extracted by mechanical and manual methods.

Ponencia: Asai (Euterpe precatoria) fruit harvest handling and postharvest uses.

Ponencia: Antioxidant capacity in microencapsulated dehydrated amazonian fruits.

Ponencia: Asai (Euterpe precatoria) fruit harvest handling and postharvest uses.

• V Congreso Venezolano de Ciencia y Tecnología de Alimentos, 2013. Caracas (Venezuela)

Ponencia: Beneficios nutricionales de la inclusión de quinua en productos tradicionales a partir de cereales.

• 22nd Canadian Symposium on Catalysis, 2012. Quebec City (Canada)

Ponencia: Gold supported on silica materials: Efficient catalysts for the synthesis of high value lactobionic acid from lactose.

• 22nd NAM North American Catalysis Society Meeting, 2011. Detroit (Estados Unidos)

Ponencia: Selective oxidation of lactose to high value lactobionic acid on gold catalysts supported on mesoporous silica decorated by ceria.

• AIChE's 2010 Annual Meeting, 2010. Salt Lake City (Estados Unidos)

Ponencia: Selective lactose conversion to lactobionic acid via aerobic oxidation over gold-based mesostructured catalysts.

• IDF Symposium on Science and Technology of Fermented Milk, 2010. Tromso (Noruega)

Ponencia: Variation in the fatty acid composition of yogurt with emphasis on CLA¿ Influence of processing manufacture and of probiotic bacteria addition.

Ponencia: Influence of probiotic cultures, manufacture processing and storage time on the rheological properties of stirred yogurt.

Ponencia: Conjugated linoleic acid content of commercial yogurts from Colombia and its relation to the lactic cultures used in their manufacture.