news release

chevron oronite announces senior leadership appointment

SAN RAMON, Calif., May 16, 2023 – Chevron Oronite announced that Brett Cooley will assume the role of vice president, Manufacturing and Supply, Chevron Chemicals, effective June 16, 2023. Cooley joined Chevron in 2002 as a designs engineer at the Pascagoula Refinery before moving onto roles of increasing responsibility at the Richmond Refinery. He returns to Chemicals after having served as general manager of Oronite’s Oak Point manufacturing plant and the Americas Manufacturing and Supply region for three years before his most recent assignment in Kazakhstan.


Cooley succeeds Mitra Basiri Kashanchi, who was previously announced as president, Chevron Chemicals, effective April 3, 2023.  “We warmly welcome Brett back to the Chevron Chemicals family. His previous experience managing our Oak Point facility, combined with his strong manufacturing background have him well prepared to manage our global manufacturing and supply operations,” said Kashanchi.


About Chevron Oronite

Chevron Oronite is a leading developer, manufacturer and marketer of fuel and lubricant additives, helping provide solutions to customers globally. Headquartered in San Ramon, California (USA), Chevron Oronite maintains regional offices in Houston (Americas Region), Paris (Europe-Africa-Middle East Region), and Singapore (Asia-Pacific Region); operates manufacturing sites in Belle Chasse, Louisiana (USA), Gonfreville (France), Singapore, Ningbo (China) and Mauá (Brazil); an affiliated blending and shipping plant in Omaezaki, Japan; technology centers in the USA, France, the Netherlands, Japan and China and has interests in additive companies operating in other locations, including India.  Learn more about about Chevron Oronite at

Chevron Oronite is comprised of numerous affiliates that are indirect, wholly-owned subsidiaries of Chevron Corporation. For simplicity in this news release, the terms “Chevron Oronite” and/or “Oronite” are used as abbreviated references to Chevron Corporation affiliates that are part of the Chevron Oronite business unit. Nothing in this document is intended to override or supersede the corporate separateness of these entities.

About Chevron

Chevron is one of the world’s leading integrated energy companies. We believe affordable, reliable and ever-cleaner energy is essential to enabling human progress. Chevron produces crude oil and natural gas; manufactures transportation fuels, lubricants, petrochemicals and additives; and develops technologies that enhance our business and the industry. We aim to grow our traditional oil and gas business, lower the carbon intensity of our operations and grow new lower carbon businesses in renewable fuels, hydrogen, carbon capture, offsets and other emerging technologies. More information about Chevron is available at