Annessa McKenzie

Annessa McKenzie joined ConocoPhillips in 2022 and currently serves as Chief Information Security Officer, responsible for establishing an enterprise IT and OT security strategy across all functional business units. Annessa’s focus has been establishing long-term investment roadmaps, assessing IT/OT and operational risk by business unit, and deploying value-added zero-trust security architectures to ensure resilience, cyber defense and compliance across the organization.​

Prior to joining ConocoPhillips, McKenzie held the role of Chief Security Officer and VP of Supply Chain at Calpine Corporation, responsible for setting cyber and physical security strategies across all functional business units as well as the overall strategy for IT compliance, business continuity, infrastructure, supply chain and facilities. McKenzie has also held the role of chief information security officer at Baker Hughes, where she was responsible for a multinational team focused on cyber-defense, securing digital oilfield operations, security of future oilfield product designs, application security and architecture, records management, data privacy and consulting with Baker Hughes’ global oilfield customers; PwC’s advisory practice; and the U.S. Drug Enforcement Administration HIDTA task force.​

Annessa holds an MBA and a bachelor’s degree from Louisiana State University, as well as Certified Information Systems Security Professional (CISSP), Certified in Risk and Information Systems Control (CRISC) and Certified Information Systems Auditor (CISA) certifications. She is an Adjunct Cyber Security Professor at University of Oklahoma's Executive MBA in Energy program. She was named one of Houston’s top millennial women to watch in 2019 by the Houston Chronicle and in 2020 was nominated as Orbie awards’ 2020 Houston CIO of the Year, and in 2021 was nominated for Constellation Research’s Business Transformation 150 Award.