
Juan Revenga
Juan Revenga is a registered dietitian, a PhD student, and a professor at the Valencia International University, San Jorge University, and Francisco de Vitoria University. He has strong visibility in his country’s leading media outlets and is widely regarded as one of the most respected figures in his profession
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Mariona Balfego
Mariona Balfegó is a Registered Dietitian with a PhD in Nutrition and Type 2 Diabetes from the University of Barcelona. Her work focuses on patients with obesity, diabetes, metabolic disorders, and cancer. She combines clinical expertise with personalized nutrition to help patients manage their diabetes and improve their overall health.
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Nutritional Coaching
Nutritional Coaching is a team of nutrition experts offering personalized, evidence-based programs to help people with diabetes or excess weight improve their diet, habits, and metabolic health.
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Julie Ruelle
Julie Ruelle is a Registered Dietitian with over 20 years of experience helping people make informed food choices that support their health and lifestyle. As a nutrition expert, she has worked in clinical settings, corporate wellness, and marketing for health-focused brands. At GoCoCo, Julie combines her expertise in nutrition science with her passion for empowering people to navigate the food landscape with confidence. She believes in the power of real, whole foods and loves making nutrition education approachable, actionable, and personalized.
View profileGoCoCo Blog Authors within the GoCoCo team


Laura Guinovart Martín
Registered Dietitian SME Food Formulation & Eating Disorders/Obesity & Content Manager
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Bertrand Amaraggi
Bertrand Amaraggi is the co-founder of GoCoCo, helping people with diabetes or excess weight improve their health by reducing ultra-processed foods
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GoCoCo and public health product studies
We also collaborate with food and health partner organizations such as Diabetes Sisters and Food Fight USA as well as experts such as behavioural experts Wendy Wood, Jaime Giménez Sánchez and Yolanda Fleta Sánchez from Nutritional Coaching. We regularly publish studies which review US & EU food products regulation and analyze what it means for public health and consumers.
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