Oil and gas
10 oilfield services procurement experts
These ten procurement and category managers have managed sourcing and contracting for oilfield services such as drilling, completions, rigs and well services at oil and gas operators. A reader can learn how operators build category strategies and manage contracts for drilling and well services.
Professionals to explore
01—10Alicia Jozwiak
LinkedInExperience: Drilling Category Management and Equatorial Guinea Drilling Procurement Lead · Marathon Oil Corporation
Drilling Category Management and Equatorial Guinea Drilling Procurement Lead at Marathon Oil Corporation since 2022, a role the profile describes as Category Manager and Procurement Lead for Drilling Services. Also GSC Regional Lead (South Division) at Marathon Oil Corporation since 2020, and former Senior Supply Chain Specialist (2017–2019) and Contracts Administrator (1989–2008) there.
Blake Pryor
LinkedInExperience: Completions Category Manager · Chevron
Former Completions Category Manager (2024–2025) and Rigs Category Manager (2023–2024) at Chevron, where the profile says the work included developing category strategies to reduce costs and speed execution in completions and standardizing equipment to lower inventory levels and working capital. The profile also lists Materials Management Digital & Optimization Lead at Chevron (2022–2023).
David Myers, MBA, IACCM
LinkedInExperience: Drilling and Completions Category Manager · Chevron
Drilling and Completions Category Manager at Chevron since 2014 and Global Category Manager, G&G and Special Projects there since 2020. Former Drilling, Completions and Applied Research and Tecnology Services Category Manager (2016–2020) and Well Construction Commodities Category Specialist (2012–2014) at Chevron; the profile describes developing procurement strategies, strategic sourcing plans and supplier performance improvement programs.
Gabriela Villegas
LinkedInExperience: Global Category Manager Drilling & Wells Equipment & Services · TotalEnergies
Global Category Manager Drilling & Wells Equipment & Services at TotalEnergies since 2025. Other TotalEnergies roles include Contracts & Procurement Manager TEPDK (2023–2025), Manager DW C&P D&C TechLog GSR (2017–2020) and Head of Contracts & Procurement TEP Bolivie (2010–2017), and the profile describes wide contracts and procurement experience in E&P.
Gulzhan Nukenova
LinkedInExperience: Category Manager, Wells & Production Chemicals · Tengizchevroil
Category Manager, Wells & Production Chemicals at Tengizchevroil since 2025, managing the category that provides well construction services and commodities, onshore rigs, plug and abandonment, well heads, OCTG, drilling fluids and production chemicals. Former Category Specialist - Land Rigs and Well Construction Services at Tengizchevroil (2020–2022).
Kama Kazimova
LinkedInExperience: Wells Services & Subsurface Senior Procurement Manager · bp
Wells Services & Subsurface Senior Procurement Manager at bp since 2022, leading a team of procurement professionals that supports bp Wells and Subsurface. Former Head of Procurement bp Russia (2018–2022) and Drilling Category Delivery Lead, PSCM (2016–2018) at bp; the profile cites expertise in major projects, materials management, operations and drilling.
Kyle Schumacher
LinkedInExperience: Senior Manager, Tier 1 Well Construction Category Team · Chevron
Senior Manager, Tier 1 Well Construction Category Team at Chevron since 2026, leading the category team that covers well construction services and commodities across Chevron in partnership with the Wells function. Former Senior Manager - Global Category Management - Engineering, Fabrication, and Subsea (2022–2026) and Strategic Procurement & Contracts Manager (2017–2019) at Chevron.
Rachael Nyaumwe
LinkedInExperience: Regional Category Manager - Wells · Shell
Regional Category Manager - Wells at Shell since 2011, managing cradle-to-grave contracting and procurement for categories including drilling and completion rental tools and offshore and onshore inspection services. Former Procurement Manager - Lubricants (Global Commercial) (2009–2011) and Procurement Manager - Deer Park Refinery (2007–2009) at Shell.
Sara Abdelakher
LinkedInExperience: Rigs Procurement Manager - AGT , Africa , North Sea and Asia Pacific · bp
Rigs Procurement Manager - AGT , Africa , North Sea and Asia Pacific at bp since 2021, and former PSCM - Africa Rigs Category Delivery Team Lead at BP (2018–2021) and PSCM Cementing and Fluids Catgeory Lead (2014–2018) at bp. The profile describes wells sector procurement of rigs and well services within BP and BP joint ventures across regions including Egypt, Mauritania, Senegal, Angola and the North Sea.
Zach Field, CPSM
LinkedInExperience: Supply Chain Manager, Gulf of Mexico Drilling & Completions · Oxy
Supply Chain Manager, Gulf of Mexico Drilling & Completions at Oxy since 2014, where the profile says the role builds and manages a team responsible for over $1.5B in annual spend, including strategic sourcing and source-to-pay. The profile also lists Staff Supply Chain Representative at Anadarko Petroleum Corporation (2016–2020) and Contracts Specialist - Global Drilling & Exploration at BHP (2011–2014).
Choose the right perspective
Match the person's category to your spend, since rigs, completions, well services and drilling commodities are bought with different contract structures and market dynamics. Also consider whether your operations are onshore unconventional or offshore, as sourcing approaches differ between them.
Questions to take into the conversation
- 01How do you structure contracts with drilling and completions service providers to balance price, performance incentives and flexibility when activity changes?
- 02What market intelligence do you use to time tenders for rigs and well services?
- 03How do you measure supplier performance on well services and use it at renewal?
Reaching oilfield services procurement experts
How can I contact one of these oilfield services procurement experts?
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 7 companies, including Marathon Oil Corporation, Chevron and TotalEnergies, based on profile data retrieved on October 3, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach oilfield services procurement experts?
You choose the offer, starting at $5 per person. It includes Instant Expert's 20% fee, so an offer that pays the person $100 costs you $125. 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.
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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