As an experienced banker and former CEO of the Bank Administration Institute (BAI), the financial services industry's leading banking professional organization, Johnson brings nearly 30 years of financial services industry experience to the S1 Board. Prior to BAI, Johnson led several financial institutions, including the retail banking operations at Boatmen's Bancshares, a $41 billion institution with 650 branches; and Barnett Banks, a $40 billion institution with 600 branches.

"We are extremely pleased to have Mr. Johnson join our Board of Directors," said James S. Mahan, CEO and Chairman of the Board, S1 Corporation. "With his years of first-hand experience in the financial services industry, as well as his proven track record of leading high-growth organizations, Mr. Johnson will provide S1 with a unique perspective on the strategic issues facing banks today."

According to Johnson, "I am excited about being named a director of S1. The financial services industry is seeking new ways to integrate front-office solutions in order to better serve customers. S1's clear market leadership in this space and its unique enterprise approach affords the company a real opportunity to leverage its already strong competitive position. I look forward to working with the management team in furthering the company's strategic goals."