Dianne Ralston

Dianne Ralston is chief legal officer of SLB, a position she has held since December 2020. Before assuming the role, she was executive vice president, chief legal officer, and secretary of TechnipFMC. Dianne was also the executive vice president, chief legal officer, and secretary of FMC Technologies from 2015 to 2017.

Dianne Ralston began her career at SLB in 1998, initially serving as legal counsel. As her career progressed, she became director of compliance and then deputy general counsel, specializing in IP enforcement. Over the next few years, she held executive leadership positions at companies throughout the energy services sector, before rejoining SLB in 2020.

Dianne has bachelor’s degrees in Business Administration and Operations Management from Texas A&M University, as well as a JD in law from the University of Houston Law Center.