How Hong Leong Bank and Huawei Built the Unified Data Core for Real‑Time Intelligence

Hong Leong Bank CITO William John Streitberg (Right) shares Hong Leong Bank’s transformation journey.

Hong Leong Bank’s recognition as Malaysia’s Best Managed Bank by a leading Asia-based financial media and research organisation this year did not come from a single breakthrough. It was the result of years of disciplined architectural decisions — choosing the right technology partners, consolidating fragmented systems, and building a data foundation capable of supporting real‑time intelligence. For the bank’s CITO (Chief Information and Technology Officer, William Streitberg) the achievement reflects a long arc of work that began well before AI entered the mainstream.

The transformation started with a demanding but essential idea: unify the bank’s data. For years, information lived across hundreds of disparate systems, each with its own definitions, formats, and constraints. The bank made a pivotal decision to retire legacy complexity and invest in a modern data lake and data warehouse, consolidating everything into a single source of truth. Core banking, credit cards, loan origination, and other systems now flow into one central repository, where data is cleansed, standardized, and filtered. Teams no longer need to piece together customer identities or transactions across multiple platforms; the bank finally operates from one unified view.

This shift did more than simplify operations — it changed what the bank could build. AI depends on data as its fuel, and placing all of that data in one location made it dramatically easier to consume. Instead of pulling from multiple systems, AI models can read from a unified stream. For real‑time use cases such as fraud detection and credit decisioning, the impact is immediate. Streaming data into the lake allows AI to see events as they happen and make decisions instantly, replacing slower, legacy processes with real‑time intelligence.

The benefits extend beyond risk and operations. Customers interact across many channels — online banking, credit cards, wallets — and while individual transactions already occurred in real time, the signals were scattered. With a centralized, cleansed, real‑time data stream, the bank can correlate activity across systems instantly, identifying patterns and risks before they escalate. The same capability enables a more personalized customer experience. Instead of broad‑brush campaigns that offer generic rewards to everyone, the bank can analyze spending history and location patterns to tailor services to each individual.

Partnerships have been central to this transformation journey. Over the years, Hong Leong Bank and Huawei have worked side by side, beginning with early discussions around the data lake and gradually expanding into broader infrastructure support. What has mattered most to the CITO is consistency: partners who bring clear roadmaps, stay engaged when challenges arise, and provide the kind of dependable, round-the-clock support required in financial services. This long-term collaboration has helped the bank stabilize its digital foundation, streamline operations, and sustain the real-time performance needed for modern banking.

Hong Leong Bank’s digital evolution is not a story of overnight reinvention. It is a story of disciplined data consolidation, thoughtful partnerships, real‑time intelligence, and a commitment to improving customer experience. Through these steps, the bank has built a digital core capable of supporting the next generation of banking — one where data is unified, AI is empowered, and customers benefit from services that are more personalized, more responsive, and more secure.