Boron Expert

Gaku En

Gaku En

Regional Sales Manager, Japan and Korea

Gaku manages borate, salt, and uranium sales for Rio Tinto in Japan and Korea. He has more than two decades of experience in sales and business development within the metal products industry. With expertise in the international mining business, Gaku is fluent in: Japanese, Korean, Mandarin, and English.

He received his bachelor of arts in business administration from Yonsei University in Seoul, South Korea. Gaku also holds a master of business administration (MBA) from the Sauder School of Business at the University of British Columbia in Vancouver, Canada.

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 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles.  Learn more about Rio Tinto.

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