Rogério Vian is one of the Brazilian pioneers of agricultural products based on the use of agro-minerals in soil fertilization. He is an Agricultural Technician, Agricultural Engineer by training and farmer in the municipalities of Mineiros and Caiapônia, located in the State of Goiás in the central region of Brazil. He grows organic soybeans on a large scale, corn, sorghum, sugarcane, eucalyptus, mixed cover crops and sesame. He has just started growing organic coffee.

Rogério Vian is the current president and one of the founders of GAAS (Associated Group for Sustainable Agriculture), an entity which is an example of cooperation between Research and Development Centers and the productive sector, involving scientific institutions and leading technologies in Brazil and internationally.

GAAS currently has more than 2,500 participants and 600 associates (farmers, researchers, technicians, consultants and companies) spread across most Brazilian states. GAAS members total more than 6.5 million hectares in the process of adopting sustainable agricultural practices based on the use of agro-minerals (rock powder in the fertilization of agricultural soils) and organic inputs.

GAAS advocates extending technical support to sustainable agricultural producers in the areas of technology transfer; the integration of the use of agro-minerals in agriculture; the adoption of management practices and constant improvement; qualification and quantification of environmental services, with a focus on carbon; improving the quality of agricultural production, both in terms of nutritional and sensory content, and reducing the structural costs of agricultural production.

Rogério Vian also participates in the boards of directors of APROSOJA-GO (Association of Soybean and Corn Producers of the State of Goiás), IGA (Institute of Agriculture of Goiano) and AGOPA (Association of Cotton Producers of Goiana).