Boron Expert

Cleiton de Sequeira

Cleiton de Sequeira

Global Market Development Manager, Agriculture

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Cleiton is an agronomist with expertise in:
  • Fertilizer industry
  • Soil fertility and plant nutrition
  • Data analysis
  • Research trial coordination
  • Market development

He has a bachelor of science in agronomic engineering and a master of science in soil science and plant nutrition from the Federal University of Viçosa in Brazil. Cleiton holds a doctorate in soil and soil environmental science from Virginia Tech. In addition, he has an executive MBA from IAE Business School of Austral University in Argentina.


U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 500 customers with more than 1,700 delivery locations globally. We supply 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles east of Los Angeles.  Learn more about Rio Tinto

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