Chevron Corp. on Aug. 2 appointed Eimear Bonner, currently CTO and president of Chevron Technical Center, as vice president, reporting to directly to Chevron Chairman and CEO Michael Wirth.

Separately, the San Ramon, Calif.-based oil major announced the retirement of Joseph C. (Joe) Geagea, executive vice president of technology, projects and services, who will retire after 40 years at Chevron.

“I’d like to thank Joe for four decades of significant contributions to Chevron,” commented Wirth in a company release on Aug. 2. “Joe’s career has spanned the globe as well as Chevron’s many businesses. He has left an enduring mark on the company, and we are better for it.”

Meanwhile, Wirth welcomed Bonner to Chevron’s executive leadership team in a separate statement.

“Eimear is an accomplished leader,” he said. “Her perspective, earned through numerous assignments managing some of the company’s most significant assets, prepares her to serve our company and our stockholders well in this key role.”

Bonner, 47, served as general director of Chevron’s largest joint venture, Tengizchevroil (TCO), in Kazakhstan from 2018, an organization of approximately 5,000 direct employees and a total workforce exceeding 40,000. She was responsible for ensuring strong business performance, advancing TCO’s FGP/WPMP expansion project, managing relationships with stakeholders in the Kazakhstan government, partner companies and the communities, and leading TCO’s organization transformation.

She began her career as an offshore petroleum engineer in the United Kingdom, and over her 22-year career with Chevron, Bonner has held numerous leadership and engineering positions in the U.K., Thailand, Kazakhstan and the U.S., as well as general manager, Strategy, at the company’s headquarters.

As part of her promotion, effective Aug. 2, Bonner will also continue as president of Chevron Technical Center and CTO, overseeing the application of technology, research and development, and Chevron’s digital strategy.

Meanwhile, Geagea will continue as an executive vice president and serve as senior adviser to Chevron chairman and CEO Wirth until his retirement on or about March 1, 2022.

Geagea joined Chevron in 1982 as a design engineer. Prior to his current role, Geagea was senior vice president of technology, projects and services. He served as a corporate vice president and president of Chevron Gas and Midstream, responsible for commercializing Chevron’s natural gas resources and overseeing the company’s shipping, pipeline and power operations as well as supply and trading operations. Previous positions include: managing director, Chevron Asia South Ltd., responsible for Chevron’s upstream activities in Bangladesh, Cambodia, China, Myanmar, Thailand and Vietnam; vice president, Upstream Capability, responsible for improving the delivery of support services to Chevron’s global upstream operations; vice president, Chevron International Exploration and Production Company; president, Fuel and Marine Marketing, as well as president, downstream operations in East Africa, the Middle East and Pakistan.

Outside of Chevron, Geagea serves on the board of directors of the National Action Council for Minorities in Engineering. He is a member of the American Society of Civil Engineers and the Society of Petroleum Engineers. He previously served on the board of trustees of the San Francisco Ballet Association.