About a-team Marketing Services
The knowledge platform for the financial technology industry
The knowledge platform for the financial technology industry

A-Team Insight Blogs

Mizuho’s Tweddle Stresses Importance of Data Ownership for Improvement in Quality

Subscribe to our newsletter

Simon Tweddle, director of risk management at Mizuho International, is a firm believer in assigning data ownership in order to effectively monitor data quality across a financial institution. Speaking at last week’s Thomson Reuters event in London, Tweddle explained that Mizuho has recently put the management of its global reference and market data back on the agenda in order to ensure its regional and local operations are all working from the same set of data.

He indicated that the crisis of 18 months ago has raised the profile of the need to revisit legal entity, counterparty and issuer data management. Seconding a notion raised by fellow panellist Deutsche Bank’s head of reference data services, Neil Fletcher, Tweddle indicated that the pressures related to an increase in ad hoc regulatory reporting has added to the business case for a more global approach to data management.

“At Mizuho we are making sure that these data sets are owned and monitored by a group that understands the data and are therefore engaging the end users in our data quality process. Our reference data team sometimes challenges our risk management team to improve data mapping for example,” he elaborated.

The move towards a T+0 environment is a real challenge, however, and the driver for this cannot be assigned to individual business units, he noted. “It is a corporate cost. Let’s stop arguing about which business line pays for it, as the regulatory drivers to invest in data management will only increase over the next three years,” Tweddle contended.

He is an advocate of a publish, validate and subscribe model for data management in order to ensure data quality. The extra validation step by a business user allows for a firm’s data quality overall to improve, he said. The position of a chief data officer (CDO) is therefore not the most appropriate way to tackle the data challenge, according to Tweddle. A community of data focused individuals working together, rather than a single individual responsible for the data, is a more sensible option, he said.

The focus of data management projects should initially be on getting the basics right, rather than tackling complex products, he continued. Determining counterparty exposure is one such initial area of focus, said Tweddle.

The industry should also be more proactive in its approach to tackling data standardisation, concluded Tweddle: “We should not leave it up to the regulators to determine how we standardise our data, we need to pre-empt them by providing our own rules before a consultation paper on the subject is produced.”

Subscribe to our newsletter

Related content

WEBINAR

Upcoming Webinar: Are you making the most of the business-critical structured data stored in your mainframes?

17 June 2025 10:00am ET | 3:00pm London | 4:00pm CET Duration: 50 Minutes Fewer than 30% of companies think that they can fully tap into their mainframe data even though complete, accurate and real-time data is key to business decision-making, compliance, modernisation and innovation. For many in financial markets, integrating data across the enterprise...

BLOG

“No WhatsApp Ban” – FCA’s Transition from Prescriptive Rulemaking to Outcome-Focused Regulation

There was a flurry of headlines recently following statements from Financial Conduct Authority (FCA) Chief Executive Nikhil Rathi on a podcast, where he laid out the FCA’s new five-year strategy and its mandate for growth. In response to a direct question about regulating encrypted messaging apps and WhatsApp specifically, Mr. Rathi stated that they’re not...

EVENT

TradingTech Summit MENA

The inaugural TradingTech Summit MENA takes place in November and examines the latest changes and innovations in trading technology and explores how technology is being deployed to create an edge in sell side and buy side capital markets financial institutions in the region.

GUIDE

AI in Capital Markets: Practical Insight for a Transforming Industry – Free Handbook

AI is no longer on the horizon – it’s embedded in the infrastructure of modern capital markets. But separating real impact from inflated promises requires a grounded, practical understanding. The AI in Capital Markets Handbook 2025 provides exactly that. Designed for data-driven professionals across the trade life-cycle, compliance, infrastructure, and strategy, this handbook goes beyond...