Banks around the world are changing their wealth management offerings, driven by digitally empowered customers who want to be served on their mobile device in their moments of need. OCBC Bank, a leading bank in Southeast Asia, developed OneWealth, an innovative mobile app to help first-time investors in Singapore buy and sell investment products. This case study highlights the strategy OCBC's digital team used to develop OneWealth. Digital business professionals can use the lessons learned to inform their own digital innovation strategy.