Andy Walz

President, Downstream, Midstream & Chemicals · Chevron

Oil and GasHouston, TX

President, Downstream, Midstream and Chemicals of Chevron since October 2024, responsible for refining, marketing, lubricants, chemicals, shipping, pipelines and trading. He joined Chevron in 1989 and previously led Americas Products. Chevron ranked No. 21 on the 2026 Fortune 500.

Last reviewed: Oct 1, 2026

Andy Walz

President, Downstream, Midstream & Chemicals Chevron

Last Reviewed: October 1, 2026

Executive Summary

Andy Walz leads Chevron’s downstream, midstream and chemicals businesses, covering refining, marketing, lubricants, chemicals and additives as well as shipping, pipelines and trading, a role he has held since October 2024. He joined Chevron in 1989 and previously ran its Americas Products business, where he led the launch of a renewable fuels business and established Chevron REG, and its international products business. Chevron ranked No. 21 on the 2026 Fortune 500.

Career Highlights

  • President, Downstream, Midstream & Chemicals of Chevron since October 2024.
  • President, Americas Products, 2019 to 2024.
  • President, International Products.
  • Vice President, Joint Ventures & Affiliates.
  • Joined Chevron in 1989.

Professional Journey

Walz graduated from Colorado State University with a degree in civil engineering and joined Chevron in 1989. He was Vice President of Product Supply and Trading, Vice President of Joint Ventures & Affiliates, overseeing non-operated refineries in Singapore, Thailand and Korea, and President of International Products.

From October 2019 he was President of Americas Products, where he launched a renewables business and established Chevron REG. In October 2024 he became President of Downstream, Midstream and Chemicals.

Education

Colorado State University

Civil Engineering (degree type not stated)