10 SLB operations leaders
Kari Anne H. Kjolaas-Holland, Senior Vice President Digital Services & Operations at SLB, is one of ten SLB operations leaders listed here, alongside people who hold vice president of well construction, production systems and manufacturing roles at the company. A reader can learn how operations leaders work at SLB from people who have held the role.
Professionals to explore
Alex Matheus
LinkedInExperience: M-I SWACO Western Hemisphere Opertions VP · SLB
Alex Matheus has been M-I SWACO Western Hemisphere Opertions VP at SLB since July 2019; the profile cites work experience across North, Central and South America, the Caribbean, Sub-Sahara Africa, Europe and the Middle East. Alex Matheus also held the roles GeoMarket Drilling Group Manager (2017–2019), Business Transformation Manager (2016–2017) and Central West Africa M-I SWACO Manager (2014–2016) at the company.
Andrew Johnston
LinkedInExperience: Vice President of Operations - Data Centers · SLB
Andrew Johnston has been Vice President of Operations - Data Centers at SLB since March 2026, based in Houston, according to the profile. Andrew Johnston also held the roles Director - Digital Infrastructure (2023–2026), Technology Delivery VP - Production Systems (2022–2023), Technology Human Resources Director (2020–2022) and Completions Product Group Manager (2018–2020) at the company.
Josh Ritchie
LinkedInExperience: Vice President Operations: Well Construction North America · SLB
Josh Ritchie has been Vice President Operations: Well Construction North America at SLB since July 2025, based in Houston, according to the profile. Josh Ritchie also held the roles Strategy and Marketing Director - Americas Land (2023–2025), Sales and Commercial Manager at Schlumberger (2020–2023) and Drilling GeoMarket Operations Manager (2018–2020) at the company.
Kari Anne H. Kjolaas-Holland
LinkedInExperience: Senior Vice President Digital Services & Operations · SLB
Kari Anne H. Kjolaas-Holland has been Senior Vice President Digital Services & Operations at SLB since June 2023, based in London, according to the profile. Kari Anne H. Kjolaas-Holland also held the roles Vice President Digital, Offshore Atlantic (2022–2023), Business Line Director, Digital Operations Solutions (2020–2022) and Vice President Client Engagement (2020) at the company, and has been a Member of the Board of Directors at Geminus since 2023.
Mohamed Sadek
LinkedInExperience: Vice President Production System Division Asia · SLB
Mohamed Sadek has been Vice President Production System Division Asia at SLB since July 2023, based in Kuala Lumpur; the profile describes leading a team focused on driving operational excellence. Mohamed Sadek also held the roles Vice President Production Systems for Russia and Central Asia (2020–2023) and Completions East Hemi Sphere Vice President (2019–2020) at the company.
Nayf Al-Mahry
LinkedInExperience: Vice President Operations - Well Construction, MENA · SLB Digital
Nayf Al-Mahry has been Vice President Operations - Well Construction, MENA at SLB since July 2020, a role the profile describes as Vice President Well Construction Division Middle East & North Africa, based in Dubai. Nayf Al-Mahry also held the roles Vice President Operations - Eastern Hemisphere (2019–2020), Global HR Director (2018–2019) and GeoMarket Operations Manager, D&M (2016–2018) at the company.
Ravicharan Mydur
LinkedInExperience: Vice President of Manufacturing · SLB
Ravicharan Mydur has been Vice President of Manufacturing at SLB since November 2022; the profile also lists the same title for 2021 to 2022. Ravicharan Mydur also held the roles Technology Strategy Manager (2020–2021), VP, Supply Chain Management & Services (2017–2020) and Director, Transformation and Change Management (2015–2017) at the company.
Rebecca Alteirac
LinkedInExperience: Vice President Well Construction - Americas · SLB
Rebecca Alteirac has been Vice President Well Construction - Americas at SLB since August 2025, responsible, according to the profile, for Well Construction operations in the Americas Basin. Rebecca Alteirac also held the roles Global Director, Manufacturing and Total Lifecycle Management (2025), Well Construction Division Manufacturing Manager (2020–2025) and Manufacturing Manager - Drilling Product Group (2018–2020) at the company.
Scott Cremin
LinkedInExperience: Vice President Technology Delivery - Global Operations · SLB
Scott Cremin has been Vice President Technology Delivery - Global Operations at SLB since April 2025. According to the profile, Scott Cremin leads a team operating in different locations across the world. Scott Cremin also held the roles Managing Director - Indonesia (2023–2025), Human Resources Director - Middle East & North Africa (2021–2022) and GeoMarket Operations Manager - Reservoir Characterization - Scandinavia (2018–2020) at the company.
Sylvester Ukpokolo
LinkedInExperience: Vice President, Completions Operation · SLB
Sylvester Ukpokolo has been Vice President, Completions Operation at SLB since July 2011, a role the profile places in North America Offshore at President/Vice President level. Sylvester Ukpokolo also held the roles Vice President HR - Completions (2009–2011), Operations Manager, Completions (2005–2006 and 2007–2009) and Location Manager, Well Completion & Productivity (2003–2005) at the company.
Choose the right perspective
Pick the person whose operations area, such as well construction, production systems, completions, manufacturing, data centers or digital operations, and whose region matches the decision you are working on. Weigh their scope, since a regional division vice president and a global operations leader will describe the same problem differently.
Questions to take into the conversation
- 01Which operating problems take most of your time in your current role?
- 02How do you decide which operational changes to roll out across regions first?
- 03What changed in how you work when you moved from a country or product role into a regional or global operations role?
Reaching SLB operations leaders
How can I contact one of these SLB operations 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 2 companies: SLB and SLB Digital, based on profile data retrieved on October 17, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach SLB operations leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these SLB operations leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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