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Board of Directors

Senior Management Board of Directors Board Composition Board Committees Contact the Board Governance Documents
head shot of Marty D. Casteel
Marty D. Casteel

Chairman
Simmons First National Corporation

Head shot of Jay Brogdon
Jay Brogdon

President and Chief Executive Officer
Simmons First National Corporation

head shot of William E. Clark II
William E. Clark, II

Chief Executive Officer
Clark Contractors, LLC

head shot of Steven A. Cossé
Steven A. Cossé

Retired President and CEO
Murphy Oil Corporation

head shot of Mark C. Doramus
Mark C. Doramus

Chief Financial Officer
Stephens Inc.

head shot of Edward Drilling
Edward Drilling

Retired Senior Vice President
External and Regulatory Affairs
AT&T Inc.

head shot of Eugene Hunt
Eugene Hunt

Attorney
Hunt Law Firm

head shot of Jerry M. Hunter
Jerry Hunter

Senior Counsel
Bryan Cave Leighton Paisner LLP

head shot of Susan S. Lanigan
Susan Lanigan

Retired EVP & General Counsel
Chico’s FAS, Inc

head shot of Tom Purvis
Tom Purvis

Partner,
L2L Development Advisors, LLC

head shot of Robert Shoptaw
Robert Shoptaw

Retired Executive
Arkansas Blue Cross and Blue Shield

head shot of Julie Stackhouse
Julie Stackhouse

Retired Executive Vice President
Federal Reserve Bank of St. Louis

head shot of Russell Teubner
Russell Teubner

Distinguished Engineer
Broadcom, Inc.

head shot of Mindy West
Mindy West

President and Chief Executive Officer
Murphy USA Inc.

Biographical information regarding directors is based on, and also as of, Simmons First National Corporation’s latest proxy statement filed on April 8, 2026.