Citi Exec on the Culmination of Two Centuries of Data Quality Management
In conversation with Duco CEO Christian Nentwich and Waters editor in chief Victor Anderson, Citi's global head of operations and technology Don Callahan describes his efforts to influence the bank's approaches to managing data quality.

At Citigroup, data quality isn’t just an issue that has emerged in recent years: it’s a 200 year-old problem requiring ongoing maintenance programs that begin again as soon as a current project is finished, according to officials who spoke at last week’s Waters USA conference.
“Citi started in 1812, and its data issues started in 1813,” said Don Callahan, global head of operations and technology at Citi, which still maintains historical data as far back as 1812, including early shipping records
More on Data Management
As datacenter cooling issues rise, FPGAs could help
IMD Wrap: As temperatures are spiking, so too is demand for capacity related to AI applications. Max says FPGAs could help to ease the burden being forced on datacenters.
Bloomberg introduces geopolitical country-of-risk scores to terminal
Through a new partnership with Seerist, terminal users can now access risk data on seven million companies and 245 countries.
A network of Cusip workarounds keeps the retirement industry humming
Restrictive data licenses—the subject of an ongoing antitrust case against Cusip Global Services—are felt keenly in the retirement space, where an amalgam of identifiers meant to ensure licensing compliance create headaches for investment advisers and investors.
LLMs are making alternative datasets ‘fuzzy’
Waters Wrap: While large language models and generative/agentic AI offer an endless amount of opportunity, they are also exposing unforeseen risks and challenges.
Cloud offers promise for execs struggling with legacy tech
Tech execs from the buy side and vendor world are still grappling with how to handle legacy technology and where the cloud should step in.
Bloomberg expands user access to new AI document search tool
An evolution of previous AI-enabled features, the new capability allows users to search terminal content as well as their firm’s proprietary content by asking natural language questions.
CDOs must deliver short-term wins ‘that people give a crap about’
The IMD Wrap: Why bother having a CDO when so many firms replace them so often? Some say CDOs should stop focusing on perfection, and focus instead on immediate deliverables that demonstrate value to the broader business.
BNY standardizes internal controls around data, AI
The bank has rolled out an internal enterprise AI platform, invested in specialized infrastructure, and strengthened data quality over the last year.