10 ONEOK IT leaders
Tom May, VP and Chief Information Officer at ONEOK, opens this list of ONEOK IT leaders, joined by directors over IT applications, commercial product lines, cloud and platform technology, end user computing, and IT business and compliance. A reader can learn how IT leaders work at ONEOK from people who have held the role.
Professionals to explore
Baskaran Susaimanickam
LinkedInExperience: Director - IT Commercial Applications · ONEOK
Baskaran Susaimanickam has been Director - IT Commercial Applications at ONEOK since March 2022, based in Tulsa, Oklahoma, and describes managing multiple IT teams with project management and change management experience. Baskaran Susaimanickam was IT Manager at ONE Gas from 2014 to 2022 and Manager - IT at ONEOK from 2009 to 2014.
Brock Blackburn
LinkedInExperience: Director IT Business & Compliance · ONEOK
Brock Blackburn has been Director IT Business & Compliance at ONEOK since August 2025, based in Tulsa, Oklahoma. Brock Blackburn was Senior Manager IT Strategy & Compliance at ONEOK from 2023 to 2025 and Manager IT Strategy & Planning at Magellan Midstream Partners from 2017 to 2023.
Buck Wheaton
LinkedInExperience: Director, IT Commercial Product Lines · ONEOK
Buck Wheaton has been Director, IT Commercial Product Lines at ONEOK since January 2024, describing responsibility for the development lifecycle of revenue and efficiency generating products. Buck Wheaton was Director, IT Midstream Operations and Corporate Systems Product Lines at ONEOK from 2021 to 2024 and Director - IT Product Lines at OGE Energy Corp. from 2019 to 2021.
Clifton Gray
LinkedInExperience: Director - IT Applications · ONEOK
Clifton Gray has been Director - IT Applications at ONEOK since May 2023, based in Tulsa, Oklahoma. At ONEOK, Clifton Gray was also Manager, Services and Integration from 2014 to 2023, Manager, Application Architecture from 2013 to 2014 and Senior Development Analyst from 2010 to 2013.
Jeremy Flynt
LinkedInExperience: Director, IT Applications Enterprise Asset Management and Environmental Safety Health · ONEOK
Jeremy Flynt has been Director, IT Applications Enterprise Asset Management and Environmental Safety Health at ONEOK since February 2024, based in the Tulsa area. At ONEOK, Jeremy Flynt was also Director IT Applications ONEOK Commercial Applications from 2021 to 2024 and Director, IT Applications - Natural Gas Pipeline - ONEOK from 2017 to 2021.
Keith Bassham
LinkedInExperience: Director - Cloud and Platform Technology · ONEOK
Keith Bassham has been Director - Cloud and Platform Technology at ONEOK since September 2025, based in Tulsa, Oklahoma, and describes a strong focus in server virtualization. At ONEOK, Keith Bassham was also Director - Infrastructure Enablement from 2022 to 2025 and Manager, Cloud Management Services from 2017 to 2022.
Tammy Hall
LinkedInExperience: Director, IT Applications (GIS) · ONEOK
Tammy Hall has been Director, IT Applications (GIS) at ONEOK since May 2024, based in Tulsa, Oklahoma, and also holds IT Manager - GIS at ONEOK, a role listed since April 2016. Tammy Hall was IT Manager - GIS at Williams from 2011 to 2016 and Sr. IT Project Manager at Williams from 2007 to 2011.
Tom May
LinkedInExperience: VP and Chief Information Officer · ONEOK
Tom May has been VP and Chief Information Officer at ONEOK since May 2026, based in Tulsa, Oklahoma. At ONEOK, Tom May was also Sr. Director, IT Applications from January to May 2026, Director IT Applications from 2024 to 2026 and Director, Corporate Applications from 2012 to 2024.
Tonya Lester
LinkedInExperience: IT Director - End User Computing · ONEOK
Tonya Lester has been IT Director - End User Computing at ONEOK since April 2019, responsible for the overall end user experience across client technology and end user engagement and issue resolution. At ONEOK, Tonya Lester was also IT Director - Corporate Applications from 2017 to 2019 and IT Director - Operations Applications from 2015 to 2017.
Trevor Thienhardt, PMP, CSM, CSPO
LinkedInExperience: Director, IT Applications - Measurement · ONEOK
Trevor Thienhardt, PMP, CSM, CSPO has been Director, IT Applications - Measurement at ONEOK since October 2018, leading an IT organization supporting natural gas measurement related applications. Trevor Thienhardt was Director, Corporate Applications at ONEOK from 2016 to 2018 and Director, Applications at Atlas Pipeline Partners, L.P. from 2007 to 2009.
Choose the right perspective
Pick the person whose IT area, whether business applications for a specific line of business, cloud and infrastructure, end user computing or IT compliance, matches the decision you face. Check when each person started the current role to judge how recent the experience is.
Questions to take into the conversation
- 01What did you focus on first when you took on your current IT leadership role?
- 02How do you decide which applications to replace and which to keep running?
- 03What has your own work taught you about delivering technology that operations and commercial teams actually adopt?
Reaching ONEOK IT leaders
How can I contact one of these ONEOK 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 1 company: ONEOK, based on profile data retrieved on October 21, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach ONEOK IT 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 ONEOK IT 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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