10 Centene security leaders
Alan Berry, Senior Vice President, Chief Information Security Officer at Centene Corporation, is one of ten Centene security leaders listed here, alongside people who hold or have held cyber defense, vulnerability management and application security roles at the company. A reader can learn how security leaders work at Centene from people who have held the role.
Professionals to explore
Aaron Beauregard
LinkedInExperience: Sr. Director, Cyber Defense Operation · Centene Corporation
Sr. Director, Cyber Defense Operation at Centene Corporation since August 2022, based in East Amherst, New York, a role the profile tags at director level in operations. The keywords on Aaron Beauregard's profile include cyber defense, identity and access management and information security.
Alan Berry
LinkedInExperience: Senior Vice President, Chief Information Security Officer · Centene Corporation
Senior Vice President, Chief Information Security Officer at Centene Corporation since August 2025, based in Greater St. Louis. Alan Berry also held Regional Vice President, Chief Information Security Officer (2022–2025), Vice President, Chief Information Security Officer (2021–2022) and Vice President, Cyber Security (2017–2021) at Centene Corporation, and serves as a board member at CyberUp.
Brent Thomas
LinkedInExperience: Director, Enterprise Security, Privacy, & AI · Centene Corporation
Director, Enterprise Security, Privacy, & AI at Centene Corporation since April 2026, based in the Salt Lake City area, with a profile headline citing GRC automation, cloud and data security, regulatory readiness and CISSP, CIPP/US, CISM, CISA, CIA and CFE credentials. Brent Thomas also held Director, Information Security at Magellan Health (2021–2025) and Information Systems Compliance Manager at eBay (2019–2020).
Diane Nagel
LinkedInExperience: Director, Cyber Security PMO · Centene Corporation
Director, Cyber Security PMO at Centene Corporation since June 2025, based in Greater St. Louis. Diane Nagel also held Senior Manager, Cyber Security Project Management Office (PMO) (2024–2025) and Manager, Cyber Security Project Management Office (PMO) (2016–2024) at Centene Corporation, and Senior Project Manager at Paragon Technology Group (2016).
Douglas Brock
LinkedInExperience: Senior Director, Cloud & Application Security Engineering · Centene Corporation
Senior Director, Cloud & Application Security Engineering at Centene Corporation since November 2024, based in Greater St. Louis, with a profile citing experience across the Department of Defense, managed service providers and healthcare and a technical background in cloud security technologies and security operations. Douglas Brock also held Director, Cloud Security & DevSecOps (2022–2023) and Manager, Cloud Security (2019–2022) at Centene Corporation.
Josh Wilkerson
LinkedInExperience: Senior Director, Security Defense Technologies · Centene Corporation
Senior Director, Security Defense Technologies at Centene Corporation since March 2023, based in Greater St. Louis, with a profile focused on network security and threat and vulnerability management. Josh Wilkerson also held Director, IT Network Security (2020–2023), Manager, IT Security Engineering and Vulnerability Management (2018–2020) and Project Lead Engineer (IT Security) (2016–2018) at Centene Corporation.
Joshua Noyes
LinkedInExperience: Director, Application Security · Centene Corporation
Director, Application Security at Centene Corporation since April 2025, based in Greater St. Louis, with a profile citing technology selection, system deployment, architectural documentation and information security strategy among its skills. Joshua Noyes also held Manager, Application Security (2021–2025), Architect, IT Security (2017–2021) and Senior Systems Engineer, IT Security (2014–2016) roles at Centene Corporation.
Michael Prieur
LinkedInExperience: Senior Director, Security Governance Risk & Compliance · Centene Corporation
Senior Director, Security Governance Risk & Compliance at Centene Corporation since December 2023, based in the Detroit area. Michael Prieur also held Director, Security Risk at Centene Corporation (2020–2023), Director, Information Technology at Wellcare Medicare (2019–2020) and Director of Information Security and IT Governance (CISO) at Meridian (2017–2019).
Nathaniel McKelvey
LinkedInExperience: Director of Vulnerability Management · Centene Corporation
Director of Vulnerability Management at Centene Corporation since July 2022, based in Greater Sacramento. Nathaniel McKelvey also held Director Cyber Security Incident Response (2019–2022) and Sr Manager Cyber Security: Incident Response (2016–2019) at Centene Corporation, Manager at Health Net (2012–2016) and Information Security Engineer at L3 Technologies (2008–2012).
Regan Reynolds
LinkedInExperience: Director, Cloud Security Engineering · Centene Corporation
Director, Cloud Security Engineering at Centene Corporation since September 2025, based in the Kansas City area. Regan Reynolds also held Zero Trust Network - Architecture Technical SME at Zermount, Inc. (2024–2025), and Executive Cyber Advisor & Director of Cyber Plans (2020–2024), Battalion Commander (2018–2020) and Deputy Director of Information Security (2014–2018) roles in the US Army.
Choose the right perspective
Pick the person whose security area is closest to your question, since cyber defense, governance and compliance, cloud and application security, and vulnerability management roles call for different experience. Check the dates on each role so you know how recent the experience is.
Questions to take into the conversation
- 01How did you organize incident response and cyber defense work in your own role?
- 02What have you learned from your own work about bringing new teams or systems into an existing security program?
- 03How did you decide which vulnerability fixes came first across the systems you were responsible for?
Reaching Centene security leaders
How can I contact one of these Centene security 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: Centene Corporation, 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 Centene security leaders?
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Can an AI agent ask one of these Centene security 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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