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

John Randles Leaves CEO Role at Bloomberg PolarLake to Join Start-up

Subscribe to our newsletter

John Randles has left the role of CEO at Bloomberg PolarLake and is on gardening leave until the end of September, after which he will become CEO of a technology start-up. Randles has been replaced by Warren Buckley, chief technology officer (CTO) at Bloomberg PolarLake and founder of PolarLake in 2002.

The switch took place last week, with Randles saying he enjoyed his time at Bloomberg, but is not yet free to name or describe the start-up he is moving to. Randles joined PolarLake as CEO in May 2006 and went on to work with the company for six years as it was transformed from being a provider of an industry agnostic enterprise service bus to a provider of a data management platform designed for the securities industry. Innovation, such as early adoption of semantic technology, supported the company’s acquisition by Bloomberg in 2012.

Buckley steps up to the post of CEO at Bloomberg PolarLake having founded PolarLake in 2002 and taken the role of CTO, a role he maintained after the Bloomberg acquisition of the company and that he is only now relinquishing. His early career includes three years as the founder and CTO of XIAM, a provider of wireless content targeting solutions that went on to be acquired by Qualcomm, and five years as a systems architect at Bank of Ireland Group Treasury.

Randles started his career with a seven-year stint at multi-channel banking specialist Eontec before it was acquired by Siebel Systems, where he became CTO of the company’s banking business.

Subscribe to our newsletter

Related content

WEBINAR

Upcoming Webinar: The ROI of Data Trust: Quantifying the Business Value of Data Observability

Date: 8 July 2026 Time: 10:00am ET / 3:00pm London / 4:00pm CET Duration: 50 minutes Data is the fuel that keeps modern financial institutions’ motors running but if that data can’t be trusted then the decisions made based upon it, or the uses to which its put, will be compromised. That’s especially important for...

BLOG

Modernising Legacy Systems Amid Ageing Infrastructure and Skills Shortages

By Wayne Kiphart, CEO CloudFirst Global. The lack of IT skills globally is widely acknowledged but the problem is particularly concerning when it comes to older systems. As the experts who built these vital platforms retire, younger generations have not been trained in the skills to maintain the infrastructure nor, sadly, have they learnt their...

EVENT

Data Management Summit New York City

Now in its 15th year the Data Management Summit NYC brings together the North American data management community to explore how data strategy is evolving to drive business outcomes and speed to market in changing times.

GUIDE

AI in Capital Markets Handbook 2026

AI adoption in capital markets has moved into a more disciplined phase. The priority is now controlled deployment: where AI can be used safely, where it can deliver measurable value, and how outputs can be governed, monitored and evidenced. The 2026 edition of the AI in Capital Markets Handbook examines how AI is being applied...