Johnnie Brassell

Johnnie Brassell, M.Acc., currently serves as Chief of Staff - Technology at Frost since July 2023. Prior to this, Johnnie Brassell amassed over a decade of experience at H&R Block, holding various titles including Information Technology Application Development Manager, IT Program Manager for Business Intelligence, and several Senior Financial Analyst positions focusing on Financial Planning & Analysis for different departments. Johnnie Brassell’s contributions included the oversight of the Work Center application used by over 70,000 tax professionals, managing financial analyses for U.S. Retail Tax and Marketing, and developing financial models to support strategic decision-making. Before H&R Block, Johnnie Brassell held the position of Controller at Iris Data Services, recognized as one of the fastest-growing companies in the U.S. Additionally, academic credentials include a Master of Accountancy and a Bachelor of Business Administration in Accounting, both from Abilene Christian University.