10 lessons in making a rebrand a whole of organisation job Great Southern Bank's chief customer officer details the key steps in rebranding and finding a fresh purpose for credit union and the data-driven process she's taken As Great Southern Bank’s chief customer officer, Megan Keleher, put it to CMO, the task of transitioning the banking provider to a fresh brand and purpose was the biggest change the organisation has faced in its 70-plus year history. Which made it vital every person across the organisation was onside. “Brand is everybody’s accountability: This was a whole of organisation change we were undertaking,” she said. “It’s something I am most proud of. If I look back, there were times I wondered if everyone would get onboard as I ran 12 streams of work across marketing, operations, risk, technology and finance. I couldn’t be happier with how it has ended up. I made sure this was not a marketing thing, but a total company change.”