10 Hancock Whitney IT leaders
Bill O'Donnell, Chief Information Officer at Hancock Whitney, is one of ten Hancock Whitney IT leaders listed here, alongside leaders of information security, infrastructure engineering, application development and data enablement. A reader can learn how IT leaders work at Hancock Whitney from people who have held the role.
Professionals to explore
Bill O'Donnell
LinkedInExperience: Chief Information Officer · Hancock Whitney
Bill O'Donnell has been Chief Information Officer at Hancock Whitney since December 2025, based in Gulfport, Mississippi. Bill O'Donnell was CIO - Head of Corporate Banking, Wealth, and Enterprise Payments Technology at Regions Bank from 2022 to 2025, Head of CIB Technology at Truist from 2019 to 2022 and Head of CIB Technology at SunTrust Robinson Humphrey from 2015 to 2019.
Brian Mayeur
LinkedInExperience: Chief Information Security Officer · Hancock Whitney
Brian Mayeur has been Chief Information Security Officer at Hancock Whitney since July 2023, based in New Orleans, Louisiana. Brian Mayeur was SVP, Director Enterprise Security Architecture & Engineering at Hancock Whitney from 2019 to 2023 and Enterprise Security Architect, Manager there from 2012 to 2019, and lists security architecture, cloud security and identity management among specialties.
Brittany Mitchell
LinkedInExperience: Director, Application Development and Integration · Hancock Whitney
Brittany Mitchell has been Director, Application Development and Integration at Hancock Whitney since August 2024, based in Saucier, Mississippi, with the profile headline Senior Vice President, Director, Application Development & Integration at Hancock Whitney Bank. Brittany Mitchell was Manager, Distributed Applications at Hancock Whitney from 2022 to 2024.
David Valentine
LinkedInExperience: Vice President, Director of Information Services · Hancock Whitney
David Valentine was Vice President, Director of Information Services at Hancock Whitney from October 2010 to May 2014, a role that has ended, and VP, Open Systems Manager there from 2007 to 2010. David Valentine was Senior Manager at EY from 2014 to 2016 and Senior Project Manager at 120VC from 2016 to 2017, with the profile headline Senior Technology Executive.
James Fisher
LinkedInExperience: SVP, Director of Infrastructure Engineering · Hancock Whitney
James Fisher has been SVP, Director of Infrastructure Engineering at Hancock Whitney since March 2015, based in New Orleans, Louisiana, and also lists Manager of Distributed Systems there. James Fisher was Team Leader - Systems Administration at Hancock Whitney from 1997 to 2011 and LAN Administrator there from 1995 to 1997.
Jeremy Eudy
LinkedInExperience: Strategic Systems Executive · Hancock Whitney
Jeremy Eudy has been Strategic Systems Executive at Hancock Whitney since January 2018, based in Mobile, Alabama, responsible for the teams managing the bank's CRM on Salesforce and loan origination systems on nCino. Jeremy Eudy was Director of CRM & Fulfillment at Hancock Whitney from 2016 to 2017 and Wholesale Loan Origination System Manager there from 2014 to 2016.
Markey Aucoin
LinkedInExperience: Director, SVP, Data Enablement · Hancock Whitney
Markey Aucoin has been Director, SVP, Data Enablement at Hancock Whitney since April 2025, based in New Orleans, Louisiana. Markey Aucoin was Director, SVP, Client & Banker Experience at Hancock Whitney from 2022 to 2025, Director, VP, Client SS & Analytics there from 2015 to 2022 and Customer Intelligence Manager - VP Wealth Management from 2013 to 2015.
Michael Dickerson
LinkedInExperience: Executive Vice President · Hancock Whitney
Michael Dickerson has been Executive Vice President at Hancock Whitney since March 2024, based in Mobile, Alabama, with the profile headline EVP, Technology, Operations, Payments and Products and describing executive oversight of technology and information security. Michael Dickerson was Executive Vice President of Operations, Payments and Products at Hancock Whitney from 2023 to 2024 and Chief Risk Officer there from 2013 to 2015.
Tony Keith, MBA, PMP
LinkedInExperience: Senior Vice President, Director, Application Development · Hancock Whitney
Tony Keith, MBA, PMP has been Senior Vice President, Director, Application Development at Hancock Whitney since March 2015, based in Mobile, Alabama, and also lists Director, Enterprise Instant Payments there since August 2024. Tony Keith, MBA, PMP was VP, Program Portfolio Manager at Hancock Whitney from 2012 to 2015.
Werner Erickson
LinkedInExperience: Client Solutions Director Bus. Process Eng. (Internal Consultant) · Hancock Whitney
Werner Erickson has been Client Solutions Director Bus. Process Eng. (Internal Consultant) at Hancock Whitney since April 2025, based in Gulfport, Mississippi. Werner Erickson was Director Operational Solutions at Hancock Whitney from 2018 to 2025, Director of Strategic Technology Services there from 2017 to 2018 and Director Business Process Engineering & Enterprise Architecture from 2016 to 2017.
Choose the right perspective
Match the person's technology area, whether infrastructure engineering, application development, information security, data enablement or strategic systems, to the decision you face. Check when each person started their current role, or when a past role ended, to judge how recent their view of it is.
Questions to take into the conversation
- 01What did you focus on first when you took on your technology role at Hancock Whitney?
- 02How do you decide which banking applications to build, buy or retire at a regional bank?
- 03What have you learned about keeping infrastructure and security steady while new payment and digital services launch?
Reaching Hancock Whitney 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; 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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