Oil and gas
10 ExxonMobil IT leaders
These ten current and former ExxonMobil IT leaders include a vice president of IT, a former corporate CIO, a former vice president of global information technology, and directors, heads and general managers of IT infrastructure, IT operations, global IT projects and upstream IT. A reader can learn how IT leaders run technology organizations at ExxonMobil.
Professionals to explore
01—10Azmil Ab Aziz
LinkedInExperience: General Manager - Upstream IT · ExxonMobil
General Manager - Upstream IT at ExxonMobil since April 2022; the profile summary describes more than 20 years in IT leadership roles at ExxonMobil, leading teams based in Malaysia, Thailand, Hungary, Brazil and the USA. Former Global IT Sourcing Program Manager (2020–2022) and Central IT Planning Manager (2019–2020) at ExxonMobil.
Bill Keillor
LinkedInExperience: Vice President, Global Information Technology · ExxonMobil
Former Vice President, Global Information Technology at ExxonMobil (2019–2023), a role listed at the President/Vice President level in the Engineering and Technical department. Vice President - Business Transformation at ExxonMobil since May 2023. Former Vice President of Digital Transformation (2018) and Business Venture Manager - SAP Implementation (2008–2013) at ExxonMobil.
Christopher Frenzel
LinkedInExperience: Director, IT Infrastructure at ExxonMobil · ExxonMobil
Former Director, IT Infrastructure at ExxonMobil (2017–2024); the profile says the role led a global team of 800 people to architect, design, implement, secure and support IT infrastructure solutions. Former Manager, IT Service Projects (2016–2017), Manager, Workplace Device Solutions (2014–2016) and Manager, PC Infrastructure (2013–2014) at ExxonMobil.
Gergely Gábor Tóth
LinkedInExperience: IT Chief of Site · ExxonMobil
IT Chief of Site at ExxonMobil in Budapest since October 2025, a role the profile lists at the Director level. Former Financial IT Staff Development Manager (2023–2025), EMIT Staff Development Manager (2022–2023) and Cloud Security Consulting Site Lead (2021–2022) at ExxonMobil.
Kamarudin Mustapa
LinkedInExperience: General Manager Information Technology · ExxonMobil Business Support Centre Malaysia Sdn Bhd
General Manager Information Technology at ExxonMobil Business Support Centre Malaysia Sdn Bhd since April 2025, and former General Manager Information Technology at ExxonMobil (2022–2025). Former Chief of Site (2020–2022) and Asia Pacific IT Controls Supervisor (2016–2017) at ExxonMobil. The profile lists IT operations and IT service management experience in the oil and gas industry.
Michael Deal
LinkedInExperience: Vice President of IT · ExxonMobil
Vice President of IT at ExxonMobil since May 2023, listed at the President/Vice President level in the Engineering and Technical department; the profile headline reads Vice President, Global IT at ExxonMobil. Former Vice President Research, Technology, and Digital Delivery (2021–2023) and Vice President Digital Transformation Upstream (2020–2021) at ExxonMobil.
Paolo Biagi
LinkedInExperience: Senior IT Director - IT Global Projects · ExxonMobil
Senior IT Director - IT Global Projects at ExxonMobil since April 2023; the profile describes more than 20 years of shaping enterprise-wide IT infrastructure and deploying enterprise-wide global IT projects. Former IT Director Global Talent Manager (2019–2023) and Executive Project Execution Manager (2015–2019) at ExxonMobil.
Sebastian Ronneberger
LinkedInExperience: Head of IT Operations · ExxonMobil
Head of IT Operations at ExxonMobil since August 2021. Former Lead, Agile Transformation, IT Operations (2018–2021) and Team Lead, ITSM Processes and Operational Excellence, IT Operations EAME (2015–2018) at ESSO Deutschland GmbH. The profile lists international IT operations leadership covering IT service management, vendor management and infrastructure projects.
Steve Cherek
LinkedInExperience: Corporate CIO · ExxonMobil IT Division
Former Corporate CIO at ExxonMobil IT Division (2017–2021); the profile says the role managed all IT services for 12 ExxonMobil corporate departments, including over 10,000 business employees and an annual IT budget of $500M. Former Global Application Manager at ExxonMobil IT Division (2009–2017) and former Chief Information Officer at ExxonMobil Chemical Company (2007–2009).
Ulises Burgos
LinkedInExperience: Head of IT - Financial, Tax, and Treasurers · ExxonMobil
Former Head of IT - Financial, Tax, and Treasurers at ExxonMobil (2022), listed at the Head level in the Engineering and Technical department. Former Global IT Procurement Manager (2018–2022), Architecture and Emerging Technology Manager (2014–2018), Global IT Financials Manager (2011–2014) and Information Technology Strategic Planning Manager (2010–2011) at ExxonMobil.
Choose the right perspective
Match the leader's scope to your question: a vice president or corporate CIO suits questions about running IT across the whole company, while infrastructure, operations and site leaders suit questions about running services day to day. Check whether the relevant ExxonMobil role is current or past before asking about today's practices.
Questions to take into the conversation
- 01How should a large energy company split IT ownership between corporate functions and business lines such as upstream?
- 02What does it take to run global IT infrastructure and operations for a company with sites in many countries?
- 03How do regional business support centers fit into the IT operating model of a global company?
Reaching ExxonMobil IT leaders
How can I contact one of these ExxonMobil IT leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 3 companies: ExxonMobil, ExxonMobil Business Support Centre Malaysia Sdn Bhd and ExxonMobil IT Division, based on profile data retrieved on October 5, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach ExxonMobil IT leaders?
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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