Executive Vice President and Chief Operating Officer, Halliburton
Mr. Slocum joined Halliburton in 2005 and has served in leadership roles of increasing responsibility across global operations, technology, finance, and business development. He was appointed Executive Vice President and Chief Operating Officer in 2026 and joined the Board of Directors the same year.
Early in his Halliburton career, Mr. Slocum helped transform Landmark’s software development model by establishing and expanding strategic partnerships in India. His software and international experience began before joining Halliburton, when he worked for BMC Software and helped establish its India development operations, including building an office in Pune.
Mr. Slocum has also held account management responsibilities for one of the world’s largest independent operating companies, strengthening customer engagement and deepening commercial relationships. He later joined Halliburton’s finance organization, where he led global credit and collections and oversaw receivables, assessing customer creditworthiness, and managing financial risk across international markets.
His international leadership experience includes serving as country manager in Azerbaijan and later as Vice President of Indonesia, where he led operations for five years. He subsequently served as Vice President of Cementing; Senior Vice President for the Europe, Eurasia, and Sub-Saharan Africa region; Senior Vice President, Global Business Development and Marketing; and President of the Eastern Hemisphere from 2023 to 2025.
Mr. Slocum holds a Bachelor of Science degree in industrial technology from Lamar University.
Global Operations and Strategic Execution: Mr. Slocum brings extensive experience in managing complex multi-region operations, including country management roles in Azerbaijan and Indonesia. He directs Halliburton’s global execution strategy to maximize asset value for customers.
Technology, Digital, and Innovation: Deep background in global software development and technology relationships; experience establishing development centers internationally and integrating digital innovation into operational strategy.
Business Development and Customer Engagement: Mr. Slocum led major global accounts, including one of the world’s largest independent operating companies, and developed initiatives and marketing strategies that strengthened Halliburton’s relationships with major customers and drove growth in key markets
Health, Safety, and Environment (HSE): Mr. Slocum oversees HSE programs and ensures operational integrity across diverse environments. His leadership reinforces Halliburton’s focus on safe and sustainable energy operations.
Finance and Risk Management: Former leader of Halliburton’s global credit and collections organization with responsibility for credit assessment and financial risk oversight.
International Experience: Over two decades of operational and commercial leadership in the Eastern Hemisphere and Latin America where he gained deep insight into global energy markets and operational requirements.
Other Directorships and Memberships: