Boron Expert

Matt Kulmar

Matt Kulmar

Senior Sales Manager, APAC

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matthew.kulmar@riotinto.com

With more than 15 years at Rio Tinto, Matt has spent most of his career living and working in Asia—first in procurement, followed by iron ore, and now in borates. He is an expert in developing long-term business relationships. Matt's goal is to create value for our customers in Asia Pacific and ensure their borate needs are met in the industrial and agriculture sectors.

He received his bachelor’s degree in materials engineering from the University of New South Wales in Australia. Matt also received his Certified Purchasing Manager (CPM) certificate from RMIT University in Melbourne, Australia. He is fluent in English and conversational in Mandarin.




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 northeast of Los Angeles.  Learn more about Rio Tinto.

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