News Digest (www.upstreamonline.com)
Halliburton has announced the appointment of Shannon Slocum to the position of Chief Operating Officer. He will assume this new role, along with the title of Executive Vice President, effective 1 January 2026. Concurrently, Slocum has been appointed to the company's board of directors.
In his new capacity, Slocum will be responsible for Halliburton's global operations, business development, health, safety and environment functions, and global technology. The company clarified that this is not a replacement for an existing COO. CEO Jeff Miller stated the appointment aligns with the company's business strategy, allowing Miller to focus on long-term strategic advancement while Slocum oversees operational execution. Miller highlighted Slocum's global operations experience and leadership as strengths that will enhance the company's ability to maximize asset value for customers.
Shannon Slocum joined Halliburton in 2005. His most recent position was President for the Eastern Hemisphere, based in Dubai. His previous roles within the company include Senior Vice President of Global Business Development and Marketing, and Senior Vice President for Eurasia, Europe, and Sub-Saharan Africa. Slocum will be succeeded as President for the Eastern Hemisphere by Rami Yassine, who is currently Senior Vice President for the Middle East and North Africa region.
4 December 2025
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